These small devices are a critical part of home safety—but only if they’re installed and maintained properly. Here’s what every homeowner should know:
How Many Do You Need?
Install at least one on every level, including the basement.
Place detectors inside and outside each bedroom.
For added safety, use interconnected alarms—when one sounds, they all do.
Test & Replace
Test monthly using the test button.
Change batteries yearly (or use 10-year sealed models).
Replace units every 10 years—even if they seem fine.
Types of Detectors
Ionization: Better for fast flames.
Photoelectric: Best for slow, smoldering fires.
Dual-sensor alarms offer the best coverage.
Avoid These Mistakes
Don’t remove batteries due to cooking smoke—relocate the alarm.
Never paint over detectors.
Don’t assume hardwired means working—check them!
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