How High Should You Mount A Carbon Monoxide Detector. Because carbon monoxide is slightly lighter than air and also because it may be found with warm rising air detectors should be placed on a wall about 5 feet above the floor. Mount detectors on the wall at least a couple of feet below your ceiling or even lower.
At the Proper Height. Carbon Monoxide detector. They should be mounted on the ceiling at least 6 inches from the wall or on the wall at least 6 inches below the ceiling.
Do not place the detector right next to or over a fireplace or flame-producing appliance.
At the Proper Height. At the Proper Height. Keep the area ventilated to prevent unwanted alarms. Often called the invisible killer carbon monoxide is an odorless colorless gas created when fuels such as gasoline wood coal natural gas propane oil and methane burn incompletely.
