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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Featured ...

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 ...

Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...

Why are you reading about smoke detectors, may you ask? Well, for one, they can save your life — indicating the onset of a fire at home. According to the “Smoke Alarms in US Home Fires” report by the ...

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 ...

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 ...

Dear Angie: 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 they don't stop even when ...