If your smoke alarm keeps waking you up for no reason, here's what's going on -- and the maintenance that can stop it.

However, as smoke alarm companies discovered, temperature plays a big role in how batteries perform. Hotter temps create less ...

Nest, the connected-home device maker Google agreed to buy in January, is disabling a feature that allows its Nest Protect smoke and carbon-monoxide alarm to be silenced with a wave of the hand. The ...