Replacing a hardwired smoke alarm is a piece of cake. If you purchase a smoke alarm from the same manufacturer, you might be able to use the same wiring harness. You simply disconnect the existing ...

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 ...

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Sami Allen is the managing editor at Forbes Home, with over seven years of ...

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 it doesn't stop even when ...