Should A Carbon Monoxide Detector Be Mounted High Or Low. If mounting on a ceiling make sure it is at least six inches away from the wall. This way the gas will simply rise up or spread out and into the detector triggering the alarm as quickly as possible.

How Many Carbon Monoxide Detectors Do I Need. If you place a CO alarm near a flue in the basement chnaces are that no-one will hear it if it goes off when they are sleeping. If your CO levels get too high during the nighttime its important that detectors can.
See the manual for specific information on when to replace a unit.
Other experts recommend installing detectors high on the wall or on the ceiling because carbon monoxide is lighter than air and rises like smoke. If mounting on a ceiling make sure it is at least six inches away from the wall. According to safety experts families are not safe when Carbon Monoxide Units are mounted lower than seven inches from the ceiling. In fact carbon monoxide is slightly lighter than air and diffuses.

