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10 Best rated carbon monoxide detectors 2025 of 2025
Save up to 40% off
Best Choice1
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-in Wall with 9-Volt Battery Backup, Digital LED Display
9.7Exceptional
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Value for Money2
FIRST ALERTNew 2025 First Alert SMCO410 Z-Wave Battery-Powered Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, Single Pack, White
9.6Exceptional
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3
KiddeKidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
21% Off9.4Excellent
Our Rating
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4
HembisenCombination Gas & Carbon Monoxide Detectors Plug in, 2-in-1 Natural Gas Detector & Carbon Monoxide Alarm, CO Detector Alarm & Propane, Methane, Explosive Gas Detector for Home,RV,Easy to Install
20% Off9.1Excellent
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5
First AlertFirst Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
9.0Excellent
Our Rating
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6
X-SenseX-Sense Carbon Monoxide Detector, Replaceable Battery Powered CO Alarm with Digital Display, Portable Carbon Monoxide Detector for Travel, XC0C-SR, 1-Pack
25% OffKey specs-
power source:Battery Powered
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alarm:Audible
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sensor:Electrochemical
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battery:Alkaline
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dimensions:1.3D x 5.6W x 3H
8.9Very Good
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7
First AlertFirst Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack
40% Off8.7Very Good
Our Rating
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8
KiddeKidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
39% 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
8.4Good
Our Rating
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9
NsrryeCarbon Monoxide Detectors,Plug in CO and Natural Gas Detector, Combination Gas & Carbon Monoxide Detectors for Travel with Temperature Humidity Display, 4 in 1 CO & Gas Detector for Home/Travel
17% Off8.1Good
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10
evaporativeEvaporative 2025 Upgraded Carbon Monoxide Detector Battery Operated, Portable Co Alarm for Home Bedroom Travel White (1-Pack)
7.9Good
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