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10 Best carbon monoxide detectors of 2026
Save up to 30% off
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Clicked 394 times in the last weekVilfetCarbon Monoxide Detectors and Natural Gas Detector, 4-in-1 Upgraded Carbon Monoxide Detectors Plug in, Gas Leak Detector with Dual Alarms, Temperature & Humidity Sensor for Home, RV, Black, 2 Packs
30% Off9.9Exceptional
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NICGOLNICGOL 4 in 1 Upgraded Natural Gas Leak Detector and Carbon Monoxide Detectors, Dual Sensor Gas Leak Detector & Carbon Monoxide Detectors Plug in (Temperature & Humidity) for Home, RV (Black)
20% Off9.8Exceptional
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3
KiddeKidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
9.6Exceptional
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4
ELECTERY5-in-1 Carbon Monoxide & Gas Detector Plug-in Alarm with Digital Display, Battery Backup, Loud 85dB Alert for Home, RV & Travel
9.3Excellent
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5
First AlertFirst Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
9.2Excellent
Our Rating
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KiddeKidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
15% OffKey specs-
power source:Plug In
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alarm:Audible
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sensor:Ionization
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battery:2 AAA batteries included
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dimensions:1.75D x 3.75W x 6.06H
8.9Very Good
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7
SHYEEHCarbon Monoxide Detectors, CO Detector Battery Powered, Carbon Monoxide Alarm with Sensitive CO Sensor, LCD Display and Sound Warning for Home, Bedroom, Kitchen
Key specs-
power source:Battery Powered
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alarm:85dB to 215-430ft
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sensor:Electrochemical sensor
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battery:3 AA batteries required
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dimensions:4.25 x 4.21 x 1.93 inches
8.6Very Good
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BoltBlaze3-in-1 Natural Gas Leak Detector, Propane, Methane, Butane & LPG – Plug-in Digital Alarm with 85 dB Audio Alarm, HD Screen Display- Hotel and Travel Safety, RV, Home
8.5Good
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KiddeKidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
10% Off8.4Good
Our Rating
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10
KiddeKidde Carbon Monoxide Detector, Plug in Wall with AA Battery Backup, Test-Hush Button
8.2Good
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