Smoke detectors are one of the most important electronic devices you have in your home. Ensuring they’re in good working condition starts with using the best batteries for your devices and keeping ...

Battery-powered smoke detectors easily detach from a wall plate so you can access a panel on the back to change the battery. Wired smoke detectors tend to cost more, but not too much.

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 ...

You can replace hard-wired smoke detectors yourself if you can reach them and if you’re skilled enough to replace a light fixture. Otherwise, hire a security system company or an electrician.

Hardwired smoke detector installation is necessary to keep your home safe. Here’s your step guide to how to install smoke detectors.

If you have an area where you want to add one, install a battery-operated unit, which is about $15. To replace your direct-wired smoke detector, first turn off the power at the main panel.

Even “hard-wired” smoke detectors that are plugged in to the home’s electrical supply typically have a 9-volt backup battery to keep the detectors operating in case of a power outage.

Having smoke detectors in your home can keep you safe, but only if they're working. Here's how to make sure your smoke alarms are working properly.

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 ...