A carbon monoxide detector is a safety device that monitors the air for carbon monoxide (CO), a colorless, odorless gas produced by incomplete combustion. If CO reaches dangerous levels, the detector sounds an alarm to warn occupants before exposure becomes life-threatening. Proper placement and regular testing are essential for reliable protection.
/ˈkɑrbən məˈnɒksaɪd dɪˈtɛktər/
A carbon monoxide detector is a safety device that monitors the air for carbon monoxide (CO), a colorless, odorless gas produced by incomplete combustion. If CO reaches dangerous levels, the detector sounds an alarm to warn occupants before exposure becomes life-threatening. Proper placement and regular testing are essential for reliable protection.
Why do I need a carbon monoxide detector?
It alerts you to dangerous CO levels you cannot see or smell, helping prevent poisoning.
Source: The Cooling Company
Install CO detectors near bedrooms and on every level.
Homes with gas appliances or attached garages place CO detectors near sleeping areas to alert occupants to dangerous gas buildup.
Test CO detectors monthly, replace batteries yearly, and replace the unit every 5–7 years.
“Test CO detectors monthly, replace batteries yearly, and replace the unit every 5–7 years.”
Carbon monoxide is called the “silent killer” because it is invisible and odorless.
Where should I install CO detectors?
Place them on every level of the home and near sleeping areas for early warning.
How often should I replace a CO detector?
Most units last 5–7 years. Check the manufacturer label for the replacement date.
Can CO detectors go off falsely?
Yes, but it is better to treat every alarm as real and evacuate while investigating.
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