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Kid playing in his room with a Kidde Carbon Monoxide detector in the background.

Why Do I Need a Carbon Monoxide Alarm?

Having a carbon monoxide alarm is the only safe way to detect carbon monoxide - a colorless, odorless, tasteless and deadly gas - in your home.

Kid playing in his room with a Kidde Carbon Monoxide detector in the background.

What is Carbon Monoxide?

Carbon Monoxide (CO) is a colorless, odorless and tasteless, poisonous gas that can be fatal when inhaled. Learn more about this "silent killer."

Family in the kitchen cooking with a Kidde Combination alarm overhead to help detect Smoke or Carbon Monoxide incidents.

Why Should I Have a Combination Alarm?

Combination alarms save space in your home, and they mean you only need to test and change batteries in one device rather than two.

Kid playing in his room with a Kidde Carbon Monoxide detector in the background.

When Your Carbon Monoxide Alarm Displays a Number with No Alarm

Any time a digital unit displays a number with or without an alert, assume it senses carbon monoxide. Leave the home and call 911.

Kid playing in his room with a Kidde Carbon Monoxide detector in the background.

Why Does My Battery Only Last One Month?

This is usually caused by the absence of AC power to the smoke alarm.

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