We’ve all been there. It’s 2 a.m. and you hear an eardrum-piercing beep. Your first reaction is to cover your head with a pillow and pretend it never happened. Eventually the slow chirping takes ...

First, make sure there's no fire. There are eight main reasons a fire alarm might go off: hidden threats, low batteries, age, dust, particulates, humidity, bugs and fireplace smoke. . If your smoke ...