Best smoke detectors fire alarms of 2026
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First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke AlarmFirst Alert-
First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke AlarmUsedFirst Alert
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Smoke Alarm with 10 Year Life Battery Smoke Detector & Fire Alarms Sensor Home 
Best Value
23% OffFirst Alert PR700A Slim Series Battery Powered Photoelectric Smoke AlarmFirst Alert-
5800CMBOV Honeywell Resideo Wireless Smoke / CO Combo DetectorFree Shipping
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First Alert PR700A Slim Series Battery Powered Photoelectric Smoke AlarmUsedFirst Alert
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First Alert 9120BA Hardwired Smoke Alarm with 9V Backup Battery, Smoke DetectorFirst Alert
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Smoke Alarm Fire Protection Smoke Detector Smoke House Combination Fire AlarmFree Shipping
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First Alert 9120BA Hardwired Smoke Alarm with 9V Backup Battery, Smoke DetectorUsedFirst Alert
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New & Improved SmoKING PRO Smoke/Fire Alarm/Detector TesterFree Shipping
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10-Year Battery Smoke Detector for Home | 85dB Fire Alarm, Military-Grade Photoelectric Sensor Reduces 70% False Alarms | CE/UL Globally Certified | Easy Install (Adhesive/Screws) (1)EUREKA SHIELD
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First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year BatteryFirst Alert
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Smoke Alarm Fire Detector Quell® PRO Sealed Bug Screen Caravan & RVFree Shipping
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First Alert 9120LBLA Hardwire Smoke Alarm with 10 Year BatteryUsedFirst Alert
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Kidde 10-Year Battery Powered Smoke Detector with Photoelectric Sensor, 3-PackFree Shipping
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Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034GLBSUNION
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NEW SIEMENS FDOOT441 INTELLIGENT MULTI CRITERIA FIRE ALARM SMOKE DETECTORFree Shipping
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FireLite SD365 Smoke Detector Same Day Shipping, NEW & SEALEDFree Shipping
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Fire-Lite SD365 Addressable Smoke Detector
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NOTIFIER FSP-951 Smoke Detector With Bases FSP 951
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Silent Knight SK-PHOTO-W Addressable Smoke Detector
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NOTIFIER FSP-851 SMOKE DETECTOR FSP 851 FIRE ALARMFree Shipping
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Vigilant V-PS Analog Addressable Photo Smoke DetectorUsed
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Smart Wifi Smoke Detector Sensor 80DB Alarm Fire Smoke Detector Fire ProtectionFree Shipping
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Siemens FDOT421 multi sensor smoke detector NEW - FREE SHIPPING
25 Smoke Detectors Fire Alarms deals are available from:
Amazon, eBay stores, starting from CA$19.99.
The biggest discount we found is 23% on First Alert PR700A Slim Series Battery Powered Photoelectric Smoke Alarm at Amazon.
The lowest price we found is CA$19.99 while the highest is CA$321.39.
Prices for the best Smoke Detectors Fire Alarms deals average at CA$74.46.
Last updated on April 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Smoke Detectors Fire Alarms.