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10 bestCarbon Monoxide Detectorsof July 2025

112M consumers helped this year.

1

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm
First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm

First Alert

10.0

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2

First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm
First Alert SCO5RVA Battery Operated Combination Carbon Monoxide and Smoke Alarm

First Alert

10.0

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45% off

3

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

First Alert

9.8

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4

First Alert PRC700VA-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector with Voice Location
First Alert PRC700VA-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector with Voice Location

First Alert

9.7

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22% off

5

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

9.5

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Related productsUp to 5% off

First Alert PRC710A-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector

First Alert PRC710A-6 Slim Series Photoelectric Smoke & Carbon Monoxide Detector

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Carbon Monoxide Alarm, Digital Display CO Detector Security CO Monoxide for Home Kitchen Bedroom Safety Battery Powered (Battery not Included),Comply with CSA 6.19 (2 PACK)

Carbon Monoxide Alarm, Digital Display CO Detector Security CO Monoxide for Home Kitchen Bedroom Safety Battery Powered (Battery not Included),Comply with CSA 6.19 (2 PACK)

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Kidde C3010 Worry-Free Carbon Monoxide Alarm with 10 Year Sealed Battery

Kidde C3010 Worry-Free Carbon Monoxide Alarm with 10 Year Sealed Battery

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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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6

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

Kidde

9.2

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7

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

First Alert

8.9

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8

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White
Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White

Google

8.7

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21% off

9

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

Kidde

8.4

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25% off

10

Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated
Kidde KN-COB-B-LP Nighthawk Carbon Monoxide Alarm, Battery Operated

Kidde

8.1

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