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 ...

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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 ...

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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 ...

This is one of two weekends a year when it's recommended that you change the batteries in your smoke detectors, and make sure they're working right. Those weekends are when daylight-saving time begins ...

CR's testers say these models from First Alert, Kidde, Siterwell, and Universal Instruments are great at protecting you and ...

The latest buzz in smoke alarms is about "interconnected" systems — if an alarm goes off in one room, all the alarms in the house join in. This may not matter if, like us, you live in a tinycramped ...

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: 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 ...