Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Carbon Monoxide Detectors of 2025
Save up to 47% off
Best Choice1
Clicked 460 times in the last monthKiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display
9.7Exceptional
Our Rating
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Value for Money2
First AlertFirst Alert Combination Smoke & Carbon Monoxide Alarm, Battery Operated Detector with Test & Silence Button, SMCO100, 1-Pack
9.6Exceptional
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3
KiddeKidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button
47% Off9.4Excellent
Our Rating
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4
KiddeKidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
24% Off9.2Excellent
Our Rating
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5
LSENLTYLSENLTY RV Carbon Monoxide&Propane Detector, USB Design for Boat, Aircraft and Car, Carbon Monoxide and Propane Gas Monitor with Alarm Function, Portable Mini CO and Gas Detector for Travel Hotel
8.9Very Good
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6
First AlertFirst Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
8.8Very Good
Our Rating
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7
First AlertFirst Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack
40% Off8.6Very Good
Our Rating
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8
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)
26% Off8.5Good
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9
KiddeKidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable
8.4Good
Our Rating
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10
Pumwry3 Pack Carbon Monoxide detectors,co Detector,Carbon Monoxide Alarm,co2 Detector Battery Powered with LCD Display,Carbon Monoxide Detector,UL2034 Standards,for Home
8.3Good
Our Rating
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