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 ...

Your home’s first line of defense against fires and smoke are its smoke detectors. These devices pick up on smoke in the air and alert you to its presence. The idea is that the alarm will activate and ...

Q: About 10 years ago, I replaced the original wired smoke alarms in my home with wired dual sensors that use both photoelectric and ionization technology. Because I’ve read that in-home smoke ...

Expensive repairs? Find a warranty to cover future costs. Expensive repairs? Find a warranty to cover future costs. According to the National Fire Protection Association, smoke detectors should be ...

The sound and frequency of a smoke detector's beeping helps indicate what the problem is, from a false alarm to needing a new ...

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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 ...

Q: How often do I need to replace my hard-wired smoke detectors? And who should I hire to do this? Our 15-year-old system has five detectors. A few are chirping, and it doesn’t stop even when we ...

No one tells you what those different beeps or on-off lights on your smoke detector mean. Here's what you need to know.