Vetted North

Best smoke alarms in Canada

71 smoke alarms ranked as of . Each has an in-stock price in Canadian dollars from the maker’s own store or a retailer selling directly, checked within the last 30 days, and at least one accepted rating or published expert test with a score. 91 more are listed below with the reason they are not ranked.

Show Canadian-made smoke alarms only

Not ranked: available, no rating or published test on record (44) · offer check lapsed (47)

  1. 1

    First Alert SMI100-AC – Hardwired Smoke Alarm w/ Battery Backup 1046836

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.20
    Availability and price (30%)
    99.14
    Total
    57.70

    0.4 × 0.00 + 0.3 × 93.20 + 0.3 × 99.14 = 57.70

    • Reviews: 4.7 out of 5 from 199 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 2/70) because 2 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $19.99 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 199 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  2. 2

    First Alert 1046846 RV Approved Battery-Operated Smoke Alarm

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.54
    Availability and price (30%)
    98.29
    Total
    57.55

    0.4 × 0.00 + 0.3 × 93.54 + 0.3 × 98.29 = 57.55

    • Reviews: 4.8 out of 5 from 72 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 4/70) because 4 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $20.99 at 6routes (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for 6routes Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 72 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  3. 3

    First Alert 1039796 Ionization Smoke Alarm

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.14
    Availability and price (30%)
    97.43
    Total
    57.17

    0.4 × 0.00 + 0.3 × 93.14 + 0.3 × 97.43 = 57.17

    • Reviews: 4.8 out of 5 from 55 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 6/70) because 6 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $21.51 at Tecisoft (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tecisoft Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $25.99 at shop.enercare.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for shop.enercare.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 55 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  4. 4

    BRK SC9120BA Smoke & Carbon Monoxide Detector 120V with Battery Backup

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    92.18
    Availability and price (30%)
    98.29
    Total
    57.14

    0.4 × 0.00 + 0.3 × 92.18 + 0.3 × 98.29 = 57.14

    • Reviews: 4.7 out of 5 from 60 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 4/70) because 4 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $20.99 at Reliable Parts (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Reliable Parts Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 60 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  5. 5

    Kidde Smoke Detector Hardwired Smoke Alarm with Battery Backup

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.00
    Availability and price (30%)
    100.00
    Total
    56.40

    0.4 × 0.00 + 0.3 × 88.00 + 0.3 × 100.00 = 56.40

    • Reviews: 3.4 out of 5 from 5 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 0/70) because 0 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $1.00 at InternationalSafety.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for InternationalSafety.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.4 out of 5 from 5 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  6. 6

    First Alert BRK Hardwired 120V Smoke and Carbon Monoxide Alarm with 10 Year Battery sc9120lbla

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.89
    Availability and price (30%)
    95.71
    Total
    56.28

    0.4 × 0.00 + 0.3 × 91.89 + 0.3 × 95.71 = 56.28

    • Reviews: 4.8 out of 5 from 23 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 10/70) because 10 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $26.50 at Firehall Bookstore (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Firehall Bookstore Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $56.99 at Bass Electronics (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Bass Electronics Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 23 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  7. 7

    Kidde Smoke Detector 4-Inch Compact

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.00
    Availability and price (30%)
    96.57
    Total
    56.27

    0.4 × 0.00 + 0.3 × 91.00 + 0.3 × 96.57 = 56.27

    • Reviews: 4.8 out of 5 from 10 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 8/70) because 8 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $22.99 at Preston Hardware (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Preston Hardware Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 10 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  8. 8

    First Alert Ionization Smoke Alarm 1039803

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.84
    Availability and price (30%)
    99.57
    Total
    56.22

    0.4 × 0.00 + 0.3 × 87.84 + 0.3 × 99.57 = 56.22

    • Reviews: 3.9 out of 5 from 11 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 1/70) because 1 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $9.00 at Firehall Bookstore (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Firehall Bookstore Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $28.79 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.9 out of 5 from 11 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  9. 9

    First Alert First Alert Wall Mounted Smoke Detector 1039809

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.08
    Availability and price (30%)
    99.14
    Total
    55.87

    0.4 × 0.00 + 0.3 × 87.08 + 0.3 × 99.14 = 55.87

    • Reviews: 4.3 out of 5 from 135 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 2/70) because 2 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $19.99 at Polani Electrical Supply (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Polani Electrical Supply Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.3 out of 5 from 135 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  10. 10

    Kidde 120V AC Smoke Alarm with 9V Battery Backup

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    96.14
    Total
    55.84

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 96.14 = 55.84

    • Reviews: 4.5 out of 5 from 774 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 9/70) because 9 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $25.06 at Dubo.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Dubo.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 774 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  11. 11

    Kidde Combo Carbon Monoxide/Smoke Alarm 21031502

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    95.29
    Total
    55.59

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 95.29 = 55.59

    • Reviews: 4.5 out of 5 from 145 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 11/70) because 11 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $26.97 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $44.99 at Best Buy Canada Marketplace (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Best Buy Canada Marketplace Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    3. $65.95 at Global Industrial (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Global Industrial Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 145 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  12. 12

    First Alert Smoke Detector 1043248

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    91.17
    Availability and price (30%)
    94.00
    Total
    55.55

    0.4 × 0.00 + 0.3 × 91.17 + 0.3 × 94.00 = 55.55

    • Reviews: 4.6 out of 5 from 71 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 14/70) because 14 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $28.99 at Matériaux Pont-Masson (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Matériaux Pont-Masson Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $29.99 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.6 out of 5 from 71 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  13. 13

    Kidde Battery-Operated Compact Smoke Alarm

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.52
    Availability and price (30%)
    95.29
    Total
    54.84

    0.4 × 0.00 + 0.3 × 87.52 + 0.3 × 95.29 = 54.84

    • Reviews: 3.6 out of 5 from 8 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 11/70) because 11 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $26.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.6 out of 5 from 8 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  14. 14

    X-sense Xc04-wx Smoke Detector

    X-Sense

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.67
    Availability and price (30%)
    90.57
    Total
    54.37

    0.4 × 0.00 + 0.3 × 90.67 + 0.3 × 90.57 = 54.37

    • Reviews: 4.7 out of 5 from 10 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 22/70) because 22 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $40.99 at Techinn.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Techinn.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 10 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  15. 15

    BRK 120V Photoelectric Smoke Detector with Battery Backup

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.67
    Availability and price (30%)
    91.43
    Total
    54.33

    0.4 × 0.00 + 0.3 × 89.67 + 0.3 × 91.43 = 54.33

    • Reviews: 4.4 out of 5 from 10 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 20/70) because 20 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $34.75 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $41.29 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 10 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  16. 16

    Kidde Battery-Operated Smoke Alarm

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.43
    Availability and price (30%)
    93.57
    Total
    54.30

    0.4 × 0.00 + 0.3 × 87.43 + 0.3 × 93.57 = 54.30

    • Reviews: 3.3 out of 5 from 6 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 15/70) because 15 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $29.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.3 out of 5 from 6 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  17. 17

    Kidde Photoelectric Smoke Alarm

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.80
    Availability and price (30%)
    97.00
    Total
    54.24

    0.4 × 0.00 + 0.3 × 83.80 + 0.3 × 97.00 = 54.24

    • Reviews: 4.1 out of 5 from 172 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 7/70) because 7 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $22.22 at Zion Building Supplies (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Zion Building Supplies Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.1 out of 5 from 172 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  18. 18

    First Alert BRK Smoke And Carbon Monoxide Alarm sc9120b

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    93.81
    Availability and price (30%)
    86.29
    Total
    54.03

    0.4 × 0.00 + 0.3 × 93.81 + 0.3 × 86.29 = 54.03

    • Reviews: 4.7 out of 5 from 1,000 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 32/70) because 32 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $54.95 at m-di.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for m-di.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.7 out of 5 from 1,000 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  19. 19

    First Alert Slim Battery-Operated Smoke Alarm

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.30
    Availability and price (30%)
    92.71
    Total
    53.70

    0.4 × 0.00 + 0.3 × 86.30 + 0.3 × 92.71 = 53.70

    • Reviews: 2 out of 5 from 4 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 17/70) because 17 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $30.99 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 2 out of 5 from 4 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  20. 20

    Kidde 10-Year Battery Worry-Free Talking Smoke Alarm

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.23
    Availability and price (30%)
    89.71
    Total
    53.68

    0.4 × 0.00 + 0.3 × 89.23 + 0.3 × 89.71 = 53.68

    • Reviews: 3.5 out of 5 from 2 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 24/70) because 24 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $45.99 at Dunbar Lumber (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Dunbar Lumber Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.5 out of 5 from 2 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  21. 21

    Brk Smoke Alarm Low-Profile Slim Design With 10-Year Battery (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.14
    Availability and price (30%)
    92.29
    Total
    53.53

    0.4 × 0.00 + 0.3 × 86.14 + 0.3 × 92.29 = 53.53

    • Reviews: 3.1 out of 5 from 8 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 18/70) because 18 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $31.99 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.1 out of 5 from 8 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  22. 22

    First Alert 10-Year Battery Dual Photoelectric & Ionization Smoke Alarm 1046764 (no separate page yet)

    First Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.57
    Availability and price (30%)
    87.57
    Total
    53.44

    0.4 × 0.00 + 0.3 × 90.57 + 0.3 × 87.57 = 53.44

    • Reviews: 5 out of 5 from 3 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 29/70) because 29 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $48.75 at Firehall Bookstore (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Firehall Bookstore Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 3 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  23. 22

    Kidde 30CUDR-VCA DETECT Combination Smoke & Carbon Monoxide Alarm, with AA Battery and Voice Alerts (no separate page yet)

    Kidde Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.28
    Availability and price (30%)
    88.86
    Total
    53.44

    0.4 × 0.00 + 0.3 × 89.28 + 0.3 × 88.86 = 53.44

    • Reviews: 4.4 out of 5 from 28 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 26/70) because 26 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $48.00 at gerrie.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for gerrie.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $84.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 28 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  24. 24

    First Alert Smi105-AC Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    88.00
    Total
    53.40

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 88.00 = 53.40

    • Reviews: 4.5 out of 5 from 128 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 28/70) because 28 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $48.70 at JEM Systems Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for JEM Systems Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 128 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  25. 25

    First Alert Brk Dual Smoke Detector Photoelectric/Ionization (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.44
    Availability and price (30%)
    87.14
    Total
    53.27

    0.4 × 0.00 + 0.3 × 90.44 + 0.3 × 87.14 = 53.27

    • Reviews: 4.8 out of 5 from 4 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 30/70) because 30 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $49.89 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 4 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  26. 26

    Kidde Smoke Alarm (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    84.75
    Availability and price (30%)
    91.86
    Total
    52.98

    0.4 × 0.00 + 0.3 × 84.75 + 0.3 × 91.86 = 52.98

    • Reviews: 3.8 out of 5 from 30 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 19/70) because 19 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $33.00 at voltdepot.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for voltdepot.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $54.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 30 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  27. 27

    First Alert 1039755 Smoke (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    85.23
    Availability and price (30%)
    91.00
    Total
    52.87

    0.4 × 0.00 + 0.3 × 85.23 + 0.3 × 91.00 = 52.87

    • Reviews: 4.1 out of 5 from 74 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 21/70) because 21 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $37.96 at BMR (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for BMR Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $37.96 at potvinbouchard.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for potvinbouchard.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.1 out of 5 from 74 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  28. 28

    Alecto sd1030 2x Smoke Detector (no separate page yet)

    Alecto

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    84.57
    Total
    52.43

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 84.57 = 52.43

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 36/70) because 36 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $56.99 at Techinn.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Techinn.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  29. 29

    Kidde Smoke & Carbon Monoxide Alarm with Voice (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.14
    Availability and price (30%)
    88.43
    Total
    52.37

    0.4 × 0.00 + 0.3 × 86.14 + 0.3 × 88.43 = 52.37

    • Reviews: 4.2 out of 5 from 90 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 27/70) because 27 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $48.50 at E.L.S (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for E.L.S Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $53.33 at Vaughan Electrical Supply (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Vaughan Electrical Supply Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    3. $54.99 at Orka (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Orka Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.2 out of 5 from 90 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  30. 30

    Kidde 120V AC Smoke Alarm with 10-Year Sealed Battery Backup (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    81.30
    Availability and price (30%)
    93.14
    Total
    52.33

    0.4 × 0.00 + 0.3 × 81.30 + 0.3 × 93.14 = 52.33

    • Reviews: 3.8 out of 5 from 82 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 16/70) because 16 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $30.00 at Habitat ReStore eStore (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Habitat ReStore eStore Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $49.99 at Canadian Outlet (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Canadian Outlet Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 82 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  31. 31

    Kidde 21032773 Combination Smoke & Carbon Monoxide Alarm, Hardwired with AA Backup Battery and Voice Alerts (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.53
    Availability and price (30%)
    85.86
    Total
    52.32

    0.4 × 0.00 + 0.3 × 88.53 + 0.3 × 85.86 = 52.32

    • Reviews: 4.4 out of 5 from 139 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 33/70) because 33 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $54.98 at potvinbouchard.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for potvinbouchard.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $269.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 139 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  32. 32

    Kidde Combination Smoke & Carbon Monoxide Alarm (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.75
    Availability and price (30%)
    86.71
    Total
    52.04

    0.4 × 0.00 + 0.3 × 86.75 + 0.3 × 86.71 = 52.04

    • Reviews: 3.6 out of 5 from 11 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 31/70) because 31 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $49.99 at Surplustek (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Surplustek Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.6 out of 5 from 11 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  33. 33

    eufy Smoke Alarm E10 (no separate page yet)

    eufy Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.41
    Availability and price (30%)
    83.29
    Total
    51.81

    0.4 × 0.00 + 0.3 × 89.41 + 0.3 × 83.29 = 51.81

    • Reviews: 3 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 39/70) because 39 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $59.99 at Eufy-CA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Eufy-CA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  34. 33

    First Alert Smoke and CO Alarm (no separate page yet)

    First Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.55
    Availability and price (30%)
    84.14
    Total
    51.81

    0.4 × 0.00 + 0.3 × 88.55 + 0.3 × 84.14 = 51.81

    • Reviews: 4.4 out of 5 from 133 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 37/70) because 37 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $57.59 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 133 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  35. 35

    Kidde Smoke and Carbon Monoxide Alarm KID9000102 (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.01
    Availability and price (30%)
    89.29
    Total
    51.69

    0.4 × 0.00 + 0.3 × 83.01 + 0.3 × 89.29 = 51.69

    • Reviews: 4.1 out of 5 from 347 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 25/70) because 25 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $47.77 at Zion Building Supplies (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Zion Building Supplies Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.1 out of 5 from 347 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  36. 36

    First Alert Battery Operated Smoke and Carbon Monoxide Alarm (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.70
    Availability and price (30%)
    85.43
    Total
    51.64

    0.4 × 0.00 + 0.3 × 86.70 + 0.3 × 85.43 = 51.64

    • Reviews: 4.2 out of 5 from 61 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 34/70) because 34 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $55.23 at ohcanadasupply.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for ohcanadasupply.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $66.99 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.2 out of 5 from 61 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  37. 37

    Kidde Hardwired Smoke Detector 10-Year Battery Backup (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    81.14
    Total
    51.40

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 81.14 = 51.40

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 44/70) because 44 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $66.99 at Orka (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Orka Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  38. 38

    Kidde Battery-Operated Smoke Alarm with 10-Year Battery (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    81.11
    Availability and price (30%)
    90.14
    Total
    51.38

    0.4 × 0.00 + 0.3 × 81.11 + 0.3 × 90.14 = 51.38

    • Reviews: 3.5 out of 5 from 40 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 23/70) because 23 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $42.99 at Orka (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Orka Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $56.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.5 out of 5 from 40 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  39. 39

    Jacob Jensen Optical smoke alarm (no separate page yet)

    Jacob

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    80.71
    Total
    51.27

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 80.71 = 51.27

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 45/70) because 45 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $70.50 at Finnish Design Shop (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Finnish Design Shop Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  40. 40

    Kidde Smoke & Carbon Monoxide Detector (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.96
    Availability and price (30%)
    80.29
    Total
    50.78

    0.4 × 0.00 + 0.3 × 88.96 + 0.3 × 80.29 = 50.78

    • Reviews: 3.8 out of 5 from 4 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 46/70) because 46 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $77.99 at Tesla Fire Systems (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tesla Fire Systems Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 4 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  41. 41

    Kidde Hardwired Smoke & Carbon Monoxide Voice Alarm (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.22
    Availability and price (30%)
    82.00
    Total
    50.77

    0.4 × 0.00 + 0.3 × 87.22 + 0.3 × 82.00 = 50.77

    • Reviews: 4.3 out of 5 from 114 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 42/70) because 42 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $64.99 at Orka (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Orka Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.3 out of 5 from 114 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  42. 42

    Hardwired Smart Smoke Detector Kidde App Enabled with AA Backup Battery (no separate page yet)

    Hardwired

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.85
    Availability and price (30%)
    79.86
    Total
    50.61

    0.4 × 0.00 + 0.3 × 88.85 + 0.3 × 79.86 = 50.61

    • Reviews: 3 out of 5 from 2 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 47/70) because 47 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $79.98 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3 out of 5 from 2 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  43. 43

    Kidde Hardwired Smoke Alarm with 10-Year Backup Battery (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.45
    Availability and price (30%)
    85.00
    Total
    50.54

    0.4 × 0.00 + 0.3 × 83.45 + 0.3 × 85.00 = 50.54

    • Reviews: 3.8 out of 5 from 44 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 35/70) because 35 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $56.97 at Turkstra Lumber (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Turkstra Lumber Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $56.99 at Princess Auto (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Princess Auto Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    3. $66.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 44 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  44. 44

    Kidde Lithium Battery-Operated Smoke and Carbon Monoxide Alarm w/ Voice (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    84.86
    Availability and price (30%)
    82.86
    Total
    50.32

    0.4 × 0.00 + 0.3 × 84.86 + 0.3 × 82.86 = 50.32

    • Reviews: 3.8 out of 5 from 29 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 40/70) because 40 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $60.50 at voltdepot.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for voltdepot.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $99.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 29 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  45. 45

    First Alert PR710A Photoelectric Slim Smoke Detector Alarm With 10-Year Battery (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    71.65
    Availability and price (30%)
    95.29
    Total
    50.08

    0.4 × 0.00 + 0.3 × 71.65 + 0.3 × 95.29 = 50.08

    • Reviews: 2.7 out of 5 from 52 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 11/70) because 11 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $26.97 at Matériaux Pont-Masson (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Matériaux Pont-Masson Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $51.49 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 2.7 out of 5 from 52 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  46. 46

    First Alert Smoke Detector 10 Year Battery-Powered Ionization 1046856 (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.22
    Availability and price (30%)
    78.14
    Total
    49.91

    0.4 × 0.00 + 0.3 × 88.22 + 0.3 × 78.14 = 49.91

    • Reviews: 4.3 out of 5 from 40 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 51/70) because 51 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $95.16 at Bearings Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Bearings Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.3 out of 5 from 40 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  47. 47

    BRK sm310 10-Year Sealed Battery Smoke Alarm with Dual Sensor (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.20
    Availability and price (30%)
    75.57
    Total
    49.73

    0.4 × 0.00 + 0.3 × 90.20 + 0.3 × 75.57 = 49.73

    • Reviews: 5 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 57/70) because 57 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $108.40 at JEM Systems Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for JEM Systems Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 5 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  48. 48

    Kidde 21032774 Combination Smoke & Carbon Monoxide Alarm, Hardwired with 10-Year Backup Battery and Voice Alerts (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.09
    Availability and price (30%)
    82.43
    Total
    49.66

    0.4 × 0.00 + 0.3 × 83.09 + 0.3 × 82.43 = 49.66

    • Reviews: 4 out of 5 from 112 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 41/70) because 41 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $64.00 at gerrie.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for gerrie.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4 out of 5 from 112 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  49. 49

    Kidde 120V Talking Smoke and Carbon Monoxide Alarm with AA Battery Backup (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.48
    Availability and price (30%)
    76.86
    Total
    49.60

    0.4 × 0.00 + 0.3 × 88.48 + 0.3 × 76.86 = 49.60

    • Reviews: 4.4 out of 5 from 159 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 54/70) because 54 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $99.99 at Chamberlain Timber Mart (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Chamberlain Timber Mart Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.4 out of 5 from 159 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  50. 50

    KIDDE Hardwired Smoke Alarm with 2 AA Backup Batteries (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.26
    Availability and price (30%)
    76.00
    Total
    49.58

    0.4 × 0.00 + 0.3 × 89.26 + 0.3 × 76.00 = 49.58

    • Reviews: 4 out of 5 from 4 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 56/70) because 56 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $104.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4 out of 5 from 4 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  51. 51

    Kidde Hardwired Smart Smoke and Carbon Monoxide Detector (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    74.71
    Total
    49.41

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 74.71 = 49.41

    • Reviews: 4.5 out of 5 from 19 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 59/70) because 59 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $114.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 19 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  52. 52

    First Alert Smoke and Carbon Monoxide Alarm With 10-Year Battery (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    82.88
    Availability and price (30%)
    81.57
    Total
    49.34

    0.4 × 0.00 + 0.3 × 82.88 + 0.3 × 81.57 = 49.34

    • Reviews: 3.9 out of 5 from 73 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 43/70) because 43 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $65.85 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.9 out of 5 from 73 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  53. 53

    First Alert Z-Wave 2-in-1 Wireless Smoke and Carbon Monoxide Alarm 1044817 (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.09
    Availability and price (30%)
    76.86
    Total
    49.19

    0.4 × 0.00 + 0.3 × 87.09 + 0.3 × 76.86 = 49.19

    • Reviews: 3.9 out of 5 from 16 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 54/70) because 54 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $99.99 at AARtech Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for AARtech Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.9 out of 5 from 16 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  54. 54

    BRK Sm110Leda-Ac Hardwired Smoke Alarm With Led Strobe & 10-Year Battery Backup (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.63
    Availability and price (30%)
    75.14
    Total
    49.13

    0.4 × 0.00 + 0.3 × 88.63 + 0.3 × 75.14 = 49.13

    • Reviews: 1 out of 5 from 1 review on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 58/70) because 58 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $109.99 at AARtech Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for AARtech Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1 out of 5 from 1 review on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  55. 55

    BRK SM110LED-AC Hardwired Smoke Alarm with LED Strobe (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.55
    Availability and price (30%)
    73.00
    Total
    49.07

    0.4 × 0.00 + 0.3 × 90.55 + 0.3 × 73.00 = 49.07

    • Reviews: 4.8 out of 5 from 5 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 63/70) because 63 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $125.95 at Tesla Fire Systems (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tesla Fire Systems Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.8 out of 5 from 5 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  56. 56

    Kidde 10-Year Battery Smoke & Carbon Monoxide Detector (no separate page yet)

    Kidde Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.54
    Availability and price (30%)
    79.00
    Total
    48.76

    0.4 × 0.00 + 0.3 × 83.54 + 0.3 × 79.00 = 48.76

    • Reviews: 3.1 out of 5 from 15 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 49/70) because 49 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $84.97 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.1 out of 5 from 15 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  57. 56

    Kidde 20SA10-CA Hardwired Smoke Alarm (no separate page yet)

    Kidde Tied rank

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    89.09
    Availability and price (30%)
    73.43
    Total
    48.76

    0.4 × 0.00 + 0.3 × 89.09 + 0.3 × 73.43 = 48.76

    • Reviews: 3.7 out of 5 from 3 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 62/70) because 62 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $125.79 at Addison Électronique (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Addison Électronique Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $180.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.7 out of 5 from 3 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  58. 58

    BRK SMI100-AC Hardwire Smoke Alarm with Battery Backup (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    90.00
    Availability and price (30%)
    70.86
    Total
    48.26

    0.4 × 0.00 + 0.3 × 90.00 + 0.3 × 70.86 = 48.26

    • Reviews: 4.5 out of 5 from 140 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 68/70) because 68 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $200.00 at Tesla Fire Systems (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tesla Fire Systems Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.5 out of 5 from 140 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  59. 59

    Kidde Detect Hardwired Photoelectric Smoke Alarm 21031482 (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    75.40
    Availability and price (30%)
    83.71
    Total
    47.73

    0.4 × 0.00 + 0.3 × 75.40 + 0.3 × 83.71 = 47.73

    • Reviews: 3.7 out of 5 from 523 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 38/70) because 38 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $59.95 at fouralarm.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for fouralarm.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.7 out of 5 from 523 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  60. 60

    BRK SM100V-AC Hardwire Smoke Alarm with Battery Backup, Voice & Location Alerts (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    88.05
    Availability and price (30%)
    70.86
    Total
    47.67

    0.4 × 0.00 + 0.3 × 88.05 + 0.3 × 70.86 = 47.67

    • Reviews: 4.2 out of 5 from 24 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 68/70) because 68 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $200.00 at Tesla Fire Systems (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tesla Fire Systems Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 4.2 out of 5 from 24 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  61. 61

    Kidde Combination Smoke & Carbon Monoxide Alarm Hardwired with 10-Year Backup Battery and Voice Alerts (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    87.11
    Availability and price (30%)
    71.29
    Total
    47.52

    0.4 × 0.00 + 0.3 × 87.11 + 0.3 × 71.29 = 47.52

    • Reviews: 3.8 out of 5 from 13 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 67/70) because 67 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $187.50 at HD Supply Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for HD Supply Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 13 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  62. 62

    Kidde 30CUD10 Smoke & Carbon Monoxide Alarm 21031514 (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    77.20
    Availability and price (30%)
    79.43
    Total
    46.99

    0.4 × 0.00 + 0.3 × 77.20 + 0.3 × 79.43 = 46.99

    • Reviews: 3.8 out of 5 from 531 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 48/70) because 48 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $79.99 at Princess Auto (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Princess Auto Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.8 out of 5 from 531 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  63. 63

    Brk Smoke And Carbon Monoxide Detector 1044570 (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    86.55
    Availability and price (30%)
    70.00
    Total
    46.97

    0.4 × 0.00 + 0.3 × 86.55 + 0.3 × 70.00 = 46.97

    • Reviews: 2.6 out of 5 from 5 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 70/70) because 70 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $339.99 at RONA (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for RONA Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 2.6 out of 5 from 5 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  64. 64

    Kidde Hardwired Smoke & Carbon Monoxide Detector (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    77.41
    Availability and price (30%)
    78.57
    Total
    46.79

    0.4 × 0.00 + 0.3 × 77.41 + 0.3 × 78.57 = 46.79

    • Reviews: 3.5 out of 5 from 85 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 50/70) because 50 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $89.99 at Princess Auto (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Princess Auto Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.5 out of 5 from 85 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  65. 65

    First Alert SC5 Hardwire WiFi Smoke and Carbon Monoxide Alarm (no separate page yet)

    First

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.94
    Availability and price (30%)
    71.71
    Total
    46.70

    0.4 × 0.00 + 0.3 × 83.94 + 0.3 × 71.71 = 46.70

    • Reviews: 3.4 out of 5 from 19 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 66/70) because 66 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $149.95 at AARtech Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for AARtech Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.4 out of 5 from 19 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  66. 66

    Kidde Smart Smoke + Carbon Monoxide Alarm with Indoor Air Quality (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    83.09
    Availability and price (30%)
    72.14
    Total
    46.57

    0.4 × 0.00 + 0.3 × 83.09 + 0.3 × 72.14 = 46.57

    • Reviews: 3.7 out of 5 from 38 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 65/70) because 65 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $139.50 at gerrie.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for gerrie.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $139.50 at voltdepot.ca (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for voltdepot.ca Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 3.7 out of 5 from 38 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  67. 67

    Kidde Hardwire Interconnected Smoke Alarm with LED Strobe Light and Voice Alert p4010acledsca (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    57.67
    Availability and price (30%)
    77.29
    Total
    40.49

    0.4 × 0.00 + 0.3 × 57.67 + 0.3 × 77.29 = 40.49

    • Reviews: 1.2 out of 5 from 48 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 53/70) because 53 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $99.00 at AAR Plumbing and Heating Supply (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for AAR Plumbing and Heating Supply Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $129.99 at Preston Hardware (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Preston Hardware Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1.2 out of 5 from 48 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  68. 68

    Kidde P4010ACLEDSCA Smoke Alarm (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    56.35
    Availability and price (30%)
    73.86
    Total
    39.06

    0.4 × 0.00 + 0.3 × 56.35 + 0.3 × 73.86 = 39.06

    • Reviews: 1.2 out of 5 from 52 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 61/70) because 61 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $119.99 at canlightinginc.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for canlightinginc.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $125.00 at Tesla Fire Systems (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Tesla Fire Systems Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1.2 out of 5 from 52 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  69. 69

    Kidde Hardwire Interconnected Combination Smoke and CO Alarm with Strobe Light and Voice Alert (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    50.79
    Availability and price (30%)
    77.71
    Total
    38.55

    0.4 × 0.00 + 0.3 × 50.79 + 0.3 × 77.71 = 38.55

    • Reviews: 1.4 out of 5 from 86 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 52/70) because 52 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $98.00 at Vaughan Electrical Supply (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Vaughan Electrical Supply Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $179.00 at Home Depot Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for Home Depot Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1.4 out of 5 from 86 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  70. 70

    BRK Smoke/Carbon Monoxide Detector LED Strobe 7030bsla (no separate page yet)

    BRK

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    51.48
    Availability and price (30%)
    74.29
    Total
    37.73

    0.4 × 0.00 + 0.3 × 51.48 + 0.3 × 74.29 = 37.73

    • Reviews: 1.4 out of 5 from 82 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 60/70) because 60 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $115.00 at tescobs.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for tescobs.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    2. $119.99 at AARtech Canada (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for AARtech Canada Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1.4 out of 5 from 82 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

  71. 71

    Kidde 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm (no separate page yet)

    Kidde

    Expert (40%)
    0.00 (No published expert test on file)
    Reviews (30%)
    50.14
    Availability and price (30%)
    72.57
    Total
    36.81

    0.4 × 0.00 + 0.3 × 50.14 + 0.3 × 72.57 = 36.81

    • Reviews: 1.4 out of 5 from 90 reviews on Google Shopping, adjusted toward 4.5 as if it started with 50 reviews.
    • Availability and price: 70 for the fresh in-stock offer, plus 30 × (1 − 64/70) because 64 of the 70 other ranked smoke alarms have a lower lowest price.

    1. $129.99 at canlightinginc.com (retailer selling directly, listed on Google Shopping), in stock when checked on .

      See the Google Shopping listing for canlightinginc.com Affiliate link. We may earn a commission. Rank and inclusion are never affected.

    Reviews by source

    • 1.4 out of 5 from 90 reviews on Google Shopping, retrieved (source). Used in the review component.

    Each source’s rating is shown on its own. Ratings from different sources are never combined.

Available in Canada, not ranked: no rating or published test on record

A first-party Canadian seller has these in stock at a price in Canadian dollars, checked within the last 30 days, but we have no accepted rating and no published expert test with a score for them, so the formula has nothing to rank them on. Each line gives the lowest price, the seller and the date checked.

44 smoke alarms

Show the 44 names
  • Alula Honeywell Compatible Smoke Detector re214 (no separate page yet): $116.02 at Smart Home Gadgets, in stock when checked on ; no rating or published test on record
  • Alula re214t Wireless Smoke & Heat Alarm – 2GIG Compatible 345 MHz (no separate page yet): $124.95 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • APEXGEAR Smart Wi-Fi Smoke Alarm, Battery-Operated Detector With App Alerts And 360-Degree Smoke Detection (no separate page yet): $34.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Smart Wi-Fi Smoke Detector Alarm, App Push Alerts, Battery Powered, Low-Battery Warning, for Home Fire Safety (no separate page yet): $33.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Smart Wi-Fi Smoke Detector Alarm, Battery Operated, 360-Degree Detection, App Alerts, for Home In Black (no separate page yet): $34.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Smoke And Carbon Monoxide Combo Alarm (no separate page yet): $39.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Tuya Smart Wifi Smoke Alarm With Photoelectric Sensor (no separate page yet): $71.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Tuya Smart Wifi Smoke Detector Battery Powered Independent Fire Alarm Sensor for Home Security Protection System (no separate page yet): $55.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Tuya Smart Wifi Smoke Detector Wireless Fire Smoke Sensor Alarm for Home Smart Security System (no separate page yet): $62.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Tuya Wifi Photoelectric Smoke Detector Smart Fire Alarm Sensor for Home Hotel Indoor Safety Monitoring (no separate page yet): $71.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Wi-Fi Photoelectric Smoke Alarm, Battery-Operated, 360-Degree Detection, Test & Silence Button, 1-Pack (no separate page yet): $31.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • APEXGEAR Wi-Fi Smart Smoke Detector, Photoelectric Sensor, Battery-Operated, App Alert for Home (no separate page yet): $44.99 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • BRK 7016BTCA Smoke Detector with Battery Backup sc7016btca (no separate page yet): $80.05 at Addison Électronique, in stock when checked on ; no rating or published test on record
  • BRK First Alert 10-Year Sealed Battery Smoke & Co Alarm (no separate page yet): $109.98 at HD Supply Canada, in stock when checked on ; no rating or published test on record
  • BRK First Alert AA Battery Powered Smoke and Carbon Monoxide CO Alarm (no separate page yet): $41.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • BRK First Alert Hardwire Smoke & Co Alarm With 10-Year Battery Backup (no separate page yet): $143.97 at HD Supply Canada, in stock when checked on ; no rating or published test on record
  • BRK sm210v 10-Year Sealed Battery Smoke Alarm with Voice Warning (no separate page yet): $200.00 at Tesla Fire Systems, in stock when checked on ; no rating or published test on record
  • BRK SMCO110LEDA-AC Smoke and Carbon Monoxide Alarm with LED Strobe Hardwired 10-Year Battery Backup (no separate page yet): $112.00 at voltdepot.ca, in stock when checked on ; no rating or published test on record
  • DETECT Smoke Alarm, Hardwired with 10-Year Backup Battery - Model... (no separate page yet): $54.89 at InternationalSafety.com, in stock when checked on ; no rating or published test on record
  • DSC Power G Wireless Alarm Smoke and Heat Detector (no separate page yet): $189.00 at Best Buy Canada Marketplace, in stock when checked on ; no rating or published test on record
  • ELEOPTION Smoke and Carbon Monoxide Alarm with Digital Display, Battery Powered, Dual Sensor (no separate page yet): $59.99 at Wayfair Canada, in stock when checked on ; no rating or published test on record
  • First Alert 10 Year Lithium Battery Powered Photoelectric Smoke Alarm (no separate page yet): $42.01 at E.L.S, in stock when checked on ; no rating or published test on record
  • First Alert 1039880 Battery Operated Smoke Alarm (no separate page yet): $13.99 at ohcanadasupply.ca, in stock when checked on ; no rating or published test on record
  • First Alert 601271 Brk Direct Wire Ac-Dc Smoke And Carbon Monoxide Alarm (no separate page yet): $62.71 at HD Supply Canada, in stock when checked on ; no rating or published test on record
  • First Alert AA Battery Powered Smoke Alarm (no separate page yet): $25.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • First Alert Battery Powered Photoelectric Smoke Alarm with 10 Year Battery (no separate page yet): $32.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • First Alert Battery-Operated Smoke Alarm (no separate page yet): $24.79 at afca.ca, in stock when checked on ; no rating or published test on record
  • First Alert BRK SC9120BA Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup (no separate page yet): $65.68 at New Age Canada, in stock when checked on ; no rating or published test on record
  • First Alert Hardwire Ionization Smoke Alarm with 10-Year Lithium Battery Backup (no separate page yet): $34.99 at HD Supply Canada, in stock when checked on ; no rating or published test on record
  • First Alert Hardwired Ionization Smoke Alarm With Battery Backup (no separate page yet): $44.99 at RONA, in stock when checked on ; no rating or published test on record
  • First Alert Hardwired Smoke And Carbon Monoxide Detector With 10 Year Battery Backup (no separate page yet): $90.99 at RONA, in stock when checked on ; no rating or published test on record
  • First Alert PR700A-6 Slim Series Battery Powered Photoelectric Smoke Alarm (no separate page yet): $28.38 at HD Supply Canada, in stock when checked on ; no rating or published test on record
  • First Alert sc6w10 Hardwired Smoke/CO Alarm (no separate page yet): $73.00 at Herbert Williams Fire Equipment, in stock when checked on ; no rating or published test on record
  • First Alert Sealed-Battery Photoelectric Smoke Alarm (no separate page yet): $7.75 at Firehall Bookstore, in stock when checked on ; no rating or published test on record
  • Hardwire Smoke Alarm w/ AA Battery Backup (no separate page yet): $26.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • Hardwired Ionization Smoke Alarm w/ Battery Backup - Firehall Bookstore (no separate page yet): $12.75 at Firehall Bookstore, in stock when checked on ; no rating or published test on record
  • Hardwired Smoke Alarm w/ 10-year Battery Backup (no separate page yet): $32.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • Honeywell Hardwire Smoke & CO Alarm w/ 10-year Battery Backup (no separate page yet): $71.99 at AARtech Canada, in stock when checked on ; no rating or published test on record
  • Kidde 10-Year Worry Free Ionization Smoke Alarm (no separate page yet): $46.00 at Herbert Williams Fire Equipment, in stock when checked on ; no rating or published test on record
  • Kidde 120V Hardwired Smoke Alarm (no separate page yet): $54.99 at Princess Auto, in stock when checked on ; no rating or published test on record
  • Kidde Battery Operated Smoke Alarm with Hush Button (no separate page yet): $24.95 at Sayal Electronics, in stock when checked on ; no rating or published test on record
  • Kidde Detect Battery-Operated Smoke Alarm with 2 Aa Batteries (no separate page yet): $39.00 at Safety Plus Pro Canada, in stock when checked on ; no rating or published test on record
  • Kidde Smoke & Carbon Monoxide Detector 10-Year Battery Powered (no separate page yet): $75.25 at E.L.S, in stock when checked on ; no rating or published test on record
  • System Sensor C2W-BA – 2-Wire 12VDC Photoelectric Smoke Detector (no separate page yet): $79.95 at fouralarm.ca, in stock when checked on ; no rating or published test on record

Not ranked: offer check lapsed

These have no in-stock offer checked within the last 30 days. Older prices are not published.

47 smoke alarms

Show the 47 names
  • BERTOYAL 10-Year Battery Smoke Alarm for Home: offer never checked
  • BRK Hardwired Ionization Smoke Alarm with Battery Backup: offer never checked
  • BRK Ionization Smoke Alarm with Battery Backup: offer never checked
  • First Alert 10 Year Battery Smoke and Carbon Monoxide Alarm with Voice Alert: offer never checked
  • First Alert 10 Year Slim Battery-Powered Photoelectric Smoke Detector: offer never checked
  • First Alert 10-Year Battery Combination Smoke & Carbon Monoxide Alarm: offer never checked
  • First Alert 10-Year Battery Operated Smoke Alarm with Slim Profile Design: offer never checked
  • First Alert 10-Year Battery Smoke Alarm Slim Profile with Light | SM210L: offer never checked
  • First Alert 10-Year Sealed Battery Combination Smoke and Carbon Monoxide Alarm with Voice Alerts: offer never checked
  • First Alert Battery Combination Smoke & Carbon Monoxide Alarm: offer never checked
  • First Alert Battery-Operated Smoke Alarm Sm2-B01a-Tp2: offer never checked
  • First Alert BRK 10-Year Battery 6-Pack Hardwired Ionization Sensor Smoke Detector 1046851: offer never checked
  • FIRST ALERT BRK Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup: offer never checked
  • First Alert fg250ba Battery Smoke Alarm: offer never checked
  • First Alert Hardwired Smoke Alarm, 6-Pack: offer never checked
  • First Alert PR710 10-Year Sealed-Battery Photoelectric Smoke Alarm: offer never checked
  • First Alert SC9120BA Hardwire Smoke & Carbon Monoxide Alarm: offer never checked
  • First Alert SC9120BCA Hardwire Combination Carbon Monoxide and Smoke Alarm: offer never checked
  • First Alert Slim-Profile Combination Smoke and Carbon Monoxide Alarm with 10-Year Sealed Battery: offer never checked
  • First Alert SM210L 10-Year Sealed Battery Smoke Alarm With Safety Path Light 1046747: offer never checked
  • First Alert SMCO100 Battery-Operated Combination Smoke & Carbon Monoxide Alarm: offer never checked
  • First Alert SMI100 Battery-Operated Smoke Alarm: offer never checked
  • First Alert SMI100-AC Hardwire Interconnect Smoke Alarm with Battery Backup: offer never checked
  • First Alert Smoke and Carbon Monoxide Detector Slim Battery-Powered Photoelectric 1046793: offer never checked
  • Hardwired Kidde App Enabled Smart Smoke Detector with AA Backup Battery: offer never checked
  • Heiman Matter Smoke Detector Smart Photoelectric Fire Alarm: offer never checked
  • Heiman Smoke Detector, 10-Year Battery Powered Mini Smoke Alarm for Home: offer never checked
  • Kidde 10-Year Battery Smoke and Carbon Monoxide Detector: offer never checked
  • Kidde CUACFEX Hardwired Smoke and Carbon Monoxide Alarm with AA Battery Backup 21033083: offer never checked
  • Kidde P3010L Worry-Free Living Area Photoelectric Smoke Alarm with 10 Year Sealed Battery: offer never checked
  • Kidde Smoke and Carbon Monoxide Detector Hardwired with AA Battery Backup: offer never checked
  • Kidde Smoke Detector 10-Year Battery Powered: offer never checked
  • Kidde Smoke Detector AA Battery-Powered Wire-Free Interconnect Voice Alerts: offer never checked
  • Kidde Smoke Detector, Hardwired with AA Battery Backup: offer never checked
  • Ring KIDDE Battery Smart Smoke Alarm: offer never checked
  • Ring KIDDE Wired Smart Smoke & Carbon Monoxide Alarm: offer never checked
  • Ring Smoke & CO Listener: offer never checked
  • Siterlink Hardwired Interconnected Smoke Detectors: offer never checked
  • SITERLINK Smoke Detectors with Replaceable 9V Battery GS509A 2 Pack: offer never checked
  • SITERLINK Smoke Detectors,UL217-9th Listed Smoke Alarms With Replaceable Battery: offer never checked
  • X-Sense Détecteur de fumée, batterie de 10 ans: offer never checked
  • X-sense Interconnected Smoke Alarm Wireless Long Range: offer never checked
  • X-Sense SD19 10-Year Battery Smoke Alarm with Silence Button & LED Indicator: offer never checked
  • X-Sense Smoke Alarm , 10-Year Battery Life: offer never checked
  • X-Sense Smoke Alarm 10-Year Battery Fire Alarm Smoke Detector With Led Indicator & Silence Button: offer never checked
  • X-Sense Smoke Alarm 10-Year Lithium Battery Life Fire Alarm With Led Indicator: offer never checked
  • X-Sense Smoke Alarm, 10-Year Lithium Battery Life Fire Alarm With Led Indicator, 5-Pack 10.51" X 5.47" X 5.12": offer never checked