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Appendix C: Device Installation and Maintenance
Page 75 | August 17, 2010
Smoke Detector Installation Recommendations
The National Fire Protection Association (NFPA) recommends the following for the number and
placement of smoke detectors.
Place smoke alarms as follows:
In every bedroom, in hallways, and on every level of the premises, including the attic and
basement.
High on a wall or on a ceiling (because smoke rises)
If a smoke detector is placed on a ceiling, position at least 4 inches (12 cm) from the wall.
Be careful about placing smoke detectors within 20 feet of a cooking appliance.
Smoke alarms are an important part of a home fire escape plan.
For maintaining your smoke detector:
Test alarms at least monthly by pushing the test button.
Replace batteries in all smoke alarms at least once a year. If an alarm ―chirps,‖ warning the
battery is low, replace battery right away.
Replace all smoke alarms when they are ten years old or sooner if they do not respond
properly when tested.
Additionally we recommend:
Maintain a 3 foot (about 1 meter) distance from air supply & return vents
DO NOT install smoke detectors in a garage or near furnaces.
Install at least 6 m (20ft) away from kitchens or other areas where combustion particles are
present.
Install smoke detectors at least 2.5 m (8ft) away from bathrooms.
DO NOT install in dirty, dusty, or insect infected areas.
DO NOT install near areas fresh air inlets or returns or excessively drafty areas. Heating/
A/C vents, fans, and fresh air intakes can drive smoke away from smoke detectors.
Remember that dead air spaces may prevent smoke from reaching a smoke detector.