Q: I changed the batteries in my smoke detector, but when I tested it afterward nothing happened. The batteries are new, but the smoke detector is very old. I know that it’s hard-wired into my home’s ...

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When's the last time you tested (or replaced) your smoke detector? Can't remember? Then it sounds like it's time to give it an inspection. While smoke detectors are made to last a full decade, it's ...

Other than when it starts repeating an ear-piercing chirp to signal the battery needs to be changed, the average person does not give much thought to smoke detectors. They might not be on top of our ...