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10 bestTools Supply 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

9.8

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2

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

First Alert

9.6

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3

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

9.4

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10% off

4

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

9.1

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5

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

8.9

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Related productsUp to 26% off

First Alert Battery Operated Carbon Monoxide Alarm with Digital Display

First Alert Battery Operated Carbon Monoxide Alarm with Digital Display

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Kidde 900-0113-02 Carbon Monoxide and Explosive Gas Alarm

Kidde 900-0113-02 Carbon Monoxide and Explosive Gas Alarm

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25-741-BL Safee-T-Alert Carbon Monoxidee Propanee Leak Detector

25-741-BL Safee-T-Alert Carbon Monoxidee Propanee Leak Detector

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Kidde KN-COP-IC Hardwire Carbon Monoxide Alarm with Battery Backup and Digital Display, Interconnectable

Kidde KN-COP-IC Hardwire Carbon Monoxide Alarm with Battery Backup and Digital Display, Interconnectable

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6

Kidde I12040CA 120V AC (Hardwired) Ionization Smoke Alarm with 9V Battery Backup and Hush Button, White
Kidde I12040CA 120V AC (Hardwired) Ionization Smoke Alarm with 9V Battery Backup and Hush Button, White

Kidde

8.6

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7

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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8

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

8.1

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12% off

9

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

First Alert

7.8

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20% off

10

Plug in Carbon Monoxide Detector & Natural Gas Combination Detectors 4in1 CO Gas Temp Humidity Monitor with 2.1'' HD Screen & Indicator CO, Propane, Methane Explosive Gas Alarm
Plug in Carbon Monoxide Detector & Natural Gas Combination Detectors 4in1 CO Gas Temp Humidity Monitor with 2.1'' HD Screen & Indicator CO, Propane, Methane Explosive Gas Alarm

Gedsffati

7.5

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