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: My home has hard-wired smoke detectors. How often do I need to replace them, and what kind of replacements do I need? Can I do it myself, or do I need a professional? And if I need a pro, what kind ...

There are multiple reasons to convert your home to hard-wired smoke detectors. One of the most basic reasons people convert is that some battery-powered smoke detectors can be hard to reach. Moreover, ...

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 ...