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

CHNADKS Portable Gas Detector, 4 in 1 (H2S, O2, CO, EX) Handheld Gas Monitor, Rechargeable Gas Analyzer with Audible Visual Vibration Alarms, Personal Gas Sniffer with LCD Display
CHNADKS

9.8
2

First Alert CO400 Battery Powered Carbon Monoxide Alarm
First Alert

9.6
3

Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor & LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester 0-1000PPM Range, Indoor/Oudoor (Includes Battery x3)
Lunarlipes

9.4
4

Kidde AC Plug-in Carbon Monoxide and Explosive Gas Detector Alarm | Nighthawk Sensor Technology | Model # KN-COEG-3
Kidde

9.1
5

Kidde P3010k-CO 10 Year Smoke Alarm and Carbon Monoxide Detector Photoelectric Kitchen
Kidde

8.8
6

First Alert CO600 Plug-in Carbon Monoxide Detector
First Alert

8.6
7

First Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display
First Alert

8.3
8

Kidde KN-COPP-3 Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup
Kidde

8.0
9

Kidde Intelligent Detector Alarm Battery Operated Combination Smoke & Carbon Monoxide Detector Alarm | Model KN-COSM-XTR-BA
Kidde

7.7
10

First Alert Sc9120Bff Brk Sc-9120B Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup
First Alert

7.4

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