10 bestHome Gas Detectorof August 2026
112M consumers helped this year.
16% off
1
FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home w/Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor w/Test Button - 2-Pack
Fireangel
10.0
8% off
2
Twin Pack Kidde 5CO Battery Powered Carbon Monoxide Alarm and Detector - 10 Year Sensor Life with AA Batteries
Kidde
10.0
3
Kidde 5DCO Digital Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life Digital Display CO Alarm - 7 Year Warranty
Kidde
9.8
8% off
4
FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button, Single
Fireangel
9.6
5
FireAngel FA3820 Carbon Monoxide Detector, 10-Year Life Sealed Battery Carbon Monoxide Alarm for Home and Travel, Portable CO Alarm Monitor, 2-Pack
Fireangel
9.4
OtherUp to 22% off
X-Sense Wi-Fi Combination Smoke Alarm and Carbon Monoxide Alarm with Replaceable Battery, Smart Fire Alarm Compatible with X-Sense Home Security App, SC07-WX, 1-Pack
Kidde 10LLDCO Carbon Monoxide Detector Digital Display with Long Life Sealed Battery Pack of 2
FireAngel FA3820 Carbon Monoxide Detector, 10-Year Life Sealed Battery Carbon Monoxide Alarm for Home and Travel, Portable CO Alarm Monitor, 1-Pack
X-Sense Carbon Monoxide Detector, Replaceable Battery Powered CO Alarm with Digital Display, Portable Carbon Monoxide Alarm for Home with CO Peak Value Memory, XC0C-SR, 1-Pack
14% off
6
Kidde 5CO Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life CO Alarm for Home
Kidde
9.1
28% off
7
X-Sense Wi-Fi Combination Smoke Alarm and Carbon Monoxide Alarm with Replaceable Battery, Smart Fire Alarm Compatible with X-Sense Home Security App, SC07-WX, 2-Pack
X-Sense
8.9
27% off
8
X-Sense Smart Carbon Monoxide Detector, Silence via App, CO Alarm with LCD Digital Display, Carbon Monoxide Alarm with Replaceable Battery, Compatible with X-Sense Home Security App, XC0C-iR
X-Sense
8.6
20% off
9
Carbon Monoxide Detector with LCD Digital Display, CE Certified CO Alarm with Sealed in 10 Year Battery, Standalone Audible CO Detector for Home,White,1 Pack
XINDUM
8.3
10
FireAngel FA3322 Digital Carbon Monoxide Detector, Humidity, Temperature and CO Alarm Monitor for Travel, Carbon Monoxide Alarm for Home, 1-Pack
Fireangel
8.0
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