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 ...

Replacing smoke detectors can be costly. Discover how to save big with home warranties covering replacements. Need a new detector? Find out more.

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.