10 bestCarbon Monoxide Detectorsof November 2025
112M consumers helped this year.
12% off
1
First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm
First Alert
10.0
19% off
2
First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
First Alert
10.0
3
First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm
First Alert
9.9
4
First Alert PRC700VA-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector with Voice Location
First Alert
9.7
26% off
5
FIRST ALERT Smoke and CO Alarm, SC7010BA, White
First Alert
9.4
OtherUp to 13% off
Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System
Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated
First Alert Battery Operated Carbon Monoxide Alarm with Digital Display
Kidde KN-COPE-IC AC Photoelectric Smoke and Carbon Monoxide Detector Alarm Hardwired with Battery Backup
6
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White
9.1
7
Google Nest Protect - Battery Small
8.9
12% off
8
Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White
Kidde
8.6
9
BW Clip BWC2-M Single Gas CO Monitor
Honeywell
8.3
12% off
10
First Alert CO400A Battery Powered Carbon Monoxide Alarm
First Alert
8.0
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