Wall Mounted Smoke Detector Height

Do not place the detector right next to or over a fireplace or flame producing appliance.

Wall mounted smoke detector height.

Smoke alarms should be installed at least 10 feet 3 meters from a cooking appliance to minimize false alarms when cooking. Nfpa 72 offers two methods for spacing smoke detectors on smooth ceilings. Has anyone had experience with this. When using the side wall mount the device no closer than 4 inches from the ceiling.

Mount the smoke detector on a wall at least 6 inches away from the ceiling but not more than 12 inches away keeping the detector away from the dead zone but high enough to detect the smoke since smoke rises. Mount smoke alarms high on walls or ceilings remember smoke rises. The distance from detector to side wall when mounting the same smoke detector on a ceiling is the same 4 inches. 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.

Wall mounted alarms should be installed not more than 12 inches away from the ceiling to the top of the alarm. The maximum distance is 12 inches. The first method is simply to provide detectors at their listed spacing often 30 feet center to center and within half the distance which is 15 feet to walls. The electrician has installed the smoke detectors on the walls between 10 and 12 ft high.

However there is a caution for mounting on table top or event for a wall keep it at a height of 3 feet or less from the floor so as to minimize damage to the unit if it was knocked down accidentally. Smoke alarms should be installed at least 10 feet 3 meters from a cooking appliance to minimize false alarms when cooking. The last time i looked at nfpa the requirement was 4 to 12 inches down from the ceiling. Ceiling mounted units also must be placed no closer than 4 inches from a side wall.

Mount smoke alarms high on walls or ceilings remember smoke rises. The detector may be placed on the ceiling.