How Many Carbon Monoxide Alarms Do I Need?
Carbon monoxide alarms should be installed on every level of the home and in sleeping areas.
Optimal Placement of CO Alarms
More is better! If you only have one CO alarm, you should put it in the hallway outside of the bedrooms. You are most vulnerable when you're sleeping, and you need to be able to hear the alarm if it sounds.
Installation Guidelines
Place all alarms at least 15 feet away from fuel-burning appliances, and make sure nothing is covering or obstructing the unit.
Expert Recommendations
Learn about industry experts' recommendations for home placement.
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Proper Smoke Detector Disposal
Learn what to do with old smoke detectors and how to properly dispose of fire alarms and fire extinguishers when it’s time to replace expired products.
How do I throw away my alarms and fire extinguishers?
Replacing old smoke detectors and fire extinguishers is a key part of fire safety, but knowing how to properly dispose of old or expired equipment is also important. Some devices can contain hazardous materials that need to be disposed of with care.
Can You Use Your Carbon Monoxide Alarm in Multiple Locations?
Carbon Monoxide alarms are not for short term testing, or a "quick check" for CO levels. You should install your alarm and leave it in one place.
Carbon Monoxide Levels
Carbon monoxide (CO) levels in a home are measured over time and are "time-weighted," which works is by measuring CO buildup in a house as time passes. Learn more.
Why Does My Battery Only Last One Month?
This is usually caused by the absence of AC power to the smoke alarm.