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10 Best carbon monoxide detectors of 2025
Save up to 20% off
Best Choice1
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-in Wall with 9-Volt Battery Backup, Digital LED Display
20% Off9.7Exceptional
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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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Value for Money2
NICGOL4-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)
9.6Exceptional
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3
KiddeKidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
9.4Excellent
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4
KiddeKidde Carbon Monoxide Detector, Plug in Wall with AA Battery Backup, Test-Hush Button
9.2Excellent
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5
First AlertFirst Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
9.1Excellent
Our Rating
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6
First AlertFirst Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack
8.9Very Good
Our Rating
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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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8
HAKINAKUHAKINAKU 5in1 Plug in Smoke & Carbon Monoxide Detector & Combustible Natural Gas Combination Builti-in Battery HD Screen [Smoke Gas CO Temp Humidity Sensor] for Home Hotel Travel (1 Pack, White)
8.4Good
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9
USBNOVELCarbon Monoxide Detectors,CO Detectors Battery Powered,2 Pack Carbon Monoxide CO Alarms with Light&Digital Display for Home,Bedroom,Kitchen,Office
8.3Good
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10
VETOUCHVETOUCH Carbon Monoxide Detector Plug in, Carbon Monoxide Detector Plug in Wall with Temp Humidity, Alarm Function with Clear LCD Display CO Detector for Home Kitchen RV Travel, 1 Pack
20% Off8.2Good
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