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10 bestFirst Alert Carbon Monoxide Detectorsof December 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 CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

First Alert

9.9

Buy it on Amazon

2

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm

First Alert

9.8

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8% off

3

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

First Alert

9.6

Buy it on Amazon

4

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

First Alert

9.4

Buy it on Amazon

5

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert

9.2

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OtherRelated productsUp to 12% off

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

First Alert CO400A Battery Powered Carbon Monoxide Alarm

First Alert CO400A Battery Powered Carbon Monoxide Alarm

X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, SC01

X-Sense 10 Year Battery (Not Hardwired) Smoke and Carbon Monoxide Detector with Display, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, SC01

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

6

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 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

8.9

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7

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert

8.7

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10% off

8

Kidde P4010ACLEDSCOCA 120 VAC Integrated 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm

Kidde P4010ACLEDSCOCA 120 VAC Integrated 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm

Kidde P4010ACLEDSCOCA 120 VAC Integrated 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm

Panasonic

8.5

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9

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

GLBSUNION

8.2

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10

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

Kidde

7.9

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