Battery powered smoke detectors have been an essential home safety accessory ever since they were first commercially popularized in the 1970s. But even though the blinking device is fastened to ...

When you move into or buy a new home, no one hands you a guide to how the smoke detectors work. They "chirp," which really means shriek loudly, and you occasionally have to put new batteries in them.

If you’ve ever swapped the battery in your smoke detector only to find it still chirping at you, you’re not alone. That persistent beep is one of the most frustrating household mysteries, but there’s ...

An ear-splitting smoke alarm siren is one of the worst midnight surprises. But it's even worse when your detector keeps beeping in the middle of the night but then stops and acts perfectly normal ...