10 Best Smoke Alarms of 2021

Best.io ranks the best products in the US based on an analysis of expert ratings, user reviews, and price history. See how was this ranking derived

Products analyzed
47
Sources scanned
20
Winner
#1 in Smoke Alarms
9.4
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES
9.4
View deal
#2 in Smoke Alarms
9.3
First Alert SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated , White
#3 in Smoke Alarms
8.8
First Alert BRK 3120B Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup
Best Value
#4 in Smoke Alarms
8.8
Kidde Smoke & Carbon Monoxide Detector, Battery Powered, Combination Smoke & CO Alarm, Voice Alert
#5 in Smoke Alarms
8.6
First Alert SA320CN Dual-Sensor Smoke and Fire Alarm, Battery Powered, Frustration-Free Packaging , GRAY
#6 in Smoke Alarms
8.4
First Alert BRK 9120B Hardwired Smoke Alarm with Battery Backup , White
#7 in Smoke Alarms
8.3
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White
#8 in Smoke Alarms
8.3
Kidde Smoke Detector, Battery Powered, Smoke Alarm
#9 in Smoke Alarms
8.2
X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with LCD Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC01
#10 in Smoke Alarms
8.0
Kidde Smoke Detector with Lithium Battery, LED Lights & Replacement Alert
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