Smoke alarms aren't just noisy gadgets that chirp when your toast burns. They're essential, life-saving devices required by law in most homes around the country. Research shows that properly ...

The best smoke detector will quickly alert you to a fire. Our picks, ... Nest Protect and First Alert SA320, also have a UL 2034 certification, which covers the CO detector.

If you’re looking for a smoke detector with everything, Kidde’s latest covers almost all the bases. First, it handles both smoke and carbon monoxide, warning you of danger with both an ear ...