A person holds a CO alarm over a suitcase full of clothes.

Carbon Monoxide Alarms & Detectors

Carbon monoxide (CO) is a colorless, odorless gas created by fuel-burning appliances, like heating and cooking equipment. Installing reliable CO detectors in your home is one of the best ways to help protect your family from carbon monoxide poisoning.

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White Kidde carbon monoxide alarm displays a green status LED and recessed test/hush button, viewed as a close-up mounted on a white ceiling or wall with minimal surrounding detail.

Battery powered Carbon Monoxide alarm

Product ID: COB
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A Kidde carbon monoxide alarm displays a green status LED and vent grille, mounted vertically and centered against a plain white wall background.

Plugin Carbon Monoxide Alarm with AA backup battery

Product ID: COP
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White Kidde carbon monoxide alarm displays "Clr" on a blue LCD and a green indicator, with Test/Hush and Peak Level buttons visible in a close-up on a white background.

Battery powered Carbon Monoxide alarm with digital display

Product ID: COBD
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Carbon monoxide alarm displays "Err" on a small blue LCD, its speaker vent and control buttons visible in a close-up, isolated white-background view.

Plugin Carbon Monoxide Alarm with AA backup battery and digital display

Product ID: COPD
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Trusted CO Detection for the Ones You Love

Help protect your family with our full lineup of new CO alarms and learn about risks and proper placement.

Protect Your Home
A Grandmother and grandson cuddles a cat on the couch.
New!
A white Kidde carbon monoxide alarm sits flush, showing its central vent, a glowing green test/hush button and labeling against a plain white ceiling background.

10 Year battery powered Carbon Monoxide alarm

Product ID: COB10
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A Kidde carbon monoxide alarm displays a blue digital "Clr" message while its test/hush and peak-level buttons are visible; photographed close-up against a plain white background.

10 Year battery powered Carbon Monoxide alarm with digital display

Product ID: COBD10
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White Kidde carbon monoxide alarm displays "Clr" on a blue LCD and a green indicator, with Test/Hush and Peak Level buttons visible in a close-up on a white background.

Battery powered Carbon Monoxide alarm with low level alert detection

Product ID: COBDL
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Carbon monoxide alarm displays 0 on a blue screen; adjacent smartphone shows a red alert reporting a bedroom detected carbon monoxide, all set against a plain white background.

Smart Carbon monoxide with digital display, plugin with aa backup battery

Product ID: COPDW
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Kidde carbon monoxide alarm displays "Clr" on a blue digital screen; test/hush button and status indicators visible in a close-up, top-cropped view against a plain white background.

10 Year battery powered Carbon Monoxide alarm with digital display and low level alert detection

Product ID: COBDL10
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A Kidde gas and carbon monoxide alarm displays "CLR" on a small blue LCD with a green status LED, shown centered against a plain white background.

Plugin Carbon Monoxide alarm with digital display, low level and explosive gas detection

Product ID: COPDLG
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A white Kidde carbon monoxide and indoor-air-quality monitor displays a blue digital reading while a smartphone beside it shows the device's app with a "Good" air score.

Smart Carbon monoxide with Indoor air quality monitoring, digital display, plugin with aa backup battery

Product ID: COPDLQW
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