You may not think about how well the smoke alarm in your home is helping to keep you safe until that annoying beeping starts, telling you that it’s time to change the batteries. But consider — when ...
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 ...
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