The minimum number of smoke detectors needed in a house is one per level, including the basement, and one per bedroom. For homes with sleeping areas, one detector is needed outside each sleeping area, such as in hallways. Larger homes may need additional detectors.
Here is a more detailed breakdown:
Each level:
Smoke detectors are needed on every level of the home, including finished attics and basements.
Bedrooms:
One smoke detector should be installed inside each bedroom.
Outside sleeping areas:
Smoke detectors should be placed outside each separate sleeping area, typically in hallways near bedrooms.
Interconnected:
It is recommended to use interconnected smoke detectors so that when one sounds, they all sound, providing a faster alert throughout the house.
Other recommendations:
While not always required, it is recommended to install detectors near living areas such as living rooms, dens, and family rooms, as well as kitchens and hallways.
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