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10 bestCarbon Monoxide Detectorof July 2025

112M consumers helped this year.

1

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display
First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert

9.8

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2

First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6
First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6

First Alert

9.6

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3

Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034
Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034

GLBSUNION

9.4

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4

DYWL SECURITY Carbon Monoxide Detectors Portable Carbon Monoxide Detector for Travel Carbon Monoxide Detector Plug in Wall with LED Digital Display Voice Light Plug and Play - 2Pack
DYWL SECURITY Carbon Monoxide Detectors Portable Carbon Monoxide Detector for Travel Carbon Monoxide Detector Plug in Wall with LED Digital Display Voice Light Plug and Play - 2Pack

DYWL SECURITY

9.1

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5

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm
First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert

8.9

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Related productsUp to 26% off

Techamor Y401 Natural Gas Detector, Home Gas Alarm and Monitor, Propane Gas Detector and Gas Leak Alarm for LNG, LPG, Methane, Coal Gas Detection in Kitchen, Home, Camper (1)

Techamor Y401 Natural Gas Detector, Home Gas Alarm and Monitor, Propane Gas Detector and Gas Leak Alarm for LNG, LPG, Methane, Coal Gas Detection in Kitchen, Home, Camper (1)

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First Alert Battery Operated Carbon Monoxide Alarm with Digital Display

First Alert Battery Operated Carbon Monoxide Alarm with Digital Display

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Plug in Carbon Monoxide Detector 3in1 CO Temperature Humidity Monitor with 2.1'' HD Screen & Indicator Visual&Audible Alarm for Home Travel Hotel RV

Plug in Carbon Monoxide Detector 3in1 CO Temperature Humidity Monitor with 2.1'' HD Screen & Indicator Visual&Audible Alarm for Home Travel Hotel RV

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TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange

TopTes CT-300 Portable Carbon Monoxide Detector, CO Detector with Audible & Visual Alarm, 0-5000PPM, CO Alarm, Backlit LCD Screen, for Home, Car, Camping& Travel (Includes Battery x3) - Orange

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6

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units
Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units

Kidde

8.6

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8% off

7

FIRST ALERT Smoke and CO Alarm, SC7010BA, White
FIRST ALERT Smoke and CO Alarm, SC7010BA, White

First Alert

8.4

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12% off

8

First Alert CO400A Battery Powered Carbon Monoxide Alarm
First Alert CO400A Battery Powered Carbon Monoxide Alarm

First Alert

8.1

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9

Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System
Kidde P3010CU Photoelectric Smoke & Carbon Monoxide Alarm with Voice Warning System

Kidde

7.9

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10

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs
Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs

Ledronco

7.6

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