10 bestCarbon Monoxide Detectorsof April 2025
112M consumers helped this year.
22% off
1

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

9.8
7% off
2

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

9.6
3

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

9.4
4

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm
First Alert

9.1
5

First Alert CO400A Battery Powered Carbon Monoxide Alarm
First Alert

8.8
Other
6

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

8.6
7

Kidde 21026515 120V Hardwired Smoke and Carbon Monoxide Detector Alarm Lithium Battery
Kidde

8.3
8
![Carbon Monoxide Detector Portable CO Alarm [3 in 1] CO & Temperature & Air Humidity Meter with LCD Display and Buit-in 1000mAh Lithium Battery for Home & Outdoor Use UL2034](https://images-proxy.bestreviews.guide/8Ydkr3wK6XJVXZLc7a3LCWqV5Bc=/0x150/https://m.media-amazon.com/images/I/51MzcWPRrWL._SL500_.jpg)
Carbon Monoxide Detector Portable CO Alarm [3 in 1] CO & Temperature & Air Humidity Meter with LCD Display and Buit-in 1000mAh Lithium Battery for Home & Outdoor Use UL2034
HAKINAKU
![Carbon Monoxide Detector Portable CO Alarm [3 in 1] CO & Temperature & Air Humidity Meter with LCD Display and Buit-in 1000mAh Lithium Battery for Home & Outdoor Use UL2034](https://images-proxy.bestreviews.guide/8Ydkr3wK6XJVXZLc7a3LCWqV5Bc=/0x150/https://m.media-amazon.com/images/I/51MzcWPRrWL._SL500_.jpg)
8.0
9

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White

7.7
10

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

7.4

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