Smokes are very sensitive to dust.
Smoke alarm in attic.
I was told of an inspector that said a wireless smoke alarm should be put inside an attic to just lay it down presumably near the hatch.
Alarms in unfinished areas may experience more nuisance alarms due to temperature fluctuations.
The only problem with these is the dust in most unfinished attics.
This includes attics crawlspaces garages unheated areas or porches.
Place additional attic smoke detectors on the finished ceiling as before installing one every 25 feet in an open space.
If you sleep better at night with an attic smoke detector they do make detectors for extreme temperatures.
Smoke alarms are not designed for garages and attics and are much more likely to fail than a heat detector.
The us fire administration fema recommends that you have a heat detector rather than a smoke alarm in your garage.
Also was not mentioned was whether it was an unfinished attic or finished attic.
They go from 15 to 200 degrees fahrenheit.
If you have a workman in they will stir up the insulation and create dust.
If the attic space is broken into individual bedrooms ensure the smoke.
Quoting the agencies no smoke alarm should be put into an unfinished attic dust temperature etc.
The sensors in smoke and co alarms work best in temperatures between 40 f 4 c and 100 f 38 c.