Duct detectors are never used for area smoke detection.
How to find attic smoke detector.
Battery powered smoke detectors can found installed anywhere around the home by a homeowner including garage kitchen and even the attic.
The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage.
Hold the end of the tape measure at the highest point on a cathedral or gabled ceiling.
Take your smoke detector down from the ceiling and look for a microphone or camera inside.
A duct detector is a passive air sampling detector in that the hvac system must be operating to push the diluted smoke to the sampling tubes.
Smoke detectors are a perfect place for microphones to be hidden as they have built in power and are normally centralized in a room.
Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector.
Many smoke detectors are designed to mount to a ceiling but some can also be wall mounted when attaching to a ceiling isn t feasible.
Pull the tape measure out as if you were going to.
Another location in a home where you should have a heat detector rather than a smoke alarm is the attic.
The primary goal of duct type smoke detection is to prevent recirculation of smoke from the fire area to other areas of the building.
Tack a string to the peak at the highest point so you know where the approximate center of the space is located.