What should you do when the smoke detector sounds an alarm for unknown reasons ... A more thorough cleaning is recommended once a year to remove dust accumulation. And: The battery should be ...

greatly increase the odds that someone will remove the batteries or the alarm itself. The NFPA reported that between 2009 and 2013, 21% of deaths in home fires occurred when smoke detectors were ...

Remove any screws holding them together ... are excellent at filtering wildfire smoke from your home’s air. Wirecutter is the product recommendation service from The New York Times.