Smoke detectors beep when the batteries need changing. They may also beep when they're malfunctioning and need to be replaced. Smoke detectors are sensitive to smoke and extreme temperatures, and ...

Smoke and carbon dioxide detectors serve an important, potentially life-saving function, and should be located throughout every home. In addition to installing them in the right places, you should ...

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.