10 bestCarbon Monoxide Detectorsof July 2025
112M consumers helped this year.
1

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm
First Alert

10.0
2

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm
First Alert

10.0
13% off
3

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
First Alert

9.8
4

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White
Kidde

9.5
5

FIRST ALERT Smoke and CO Alarm, SC7010BA, White
First Alert

9.3
Other
6

First Alert CO400A Battery Powered Carbon Monoxide Alarm
First Alert

9.0
7

Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System
Kidde

8.7
47% off
8

Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated
Kidde

8.4
9% off
9

First Alert PRC710A-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector
First Alert

8.1
6% off
10

Kidde C3010 Worry-Free Carbon Monoxide Alarm with 10 Year Sealed Battery
Kidde

7.8

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