The test sound went off. But the fire alarm was 12 years old.

The white, round device on the ceiling.Even though I sleep under it every day, I had never really looked at it.The fire alarm ...

Smoke Alarms: Does a Test Sound Mean You Don't Need to Replace Them? Distinguishing Between 'Operational Checks' and '10-Year Installation Limits'

When was the last time you checked the smoke alarm on your ceiling? If it makes a sound during a test, is that enough to ...
Popular Mechanics

The 7 Best Smoke and Carbon Monoxide Alarms

There’s never a bad time to invest in home fire safety, and the best place to start is checking your home’s smoke alarms to ensure they’re working properly. These invaluable devices protect you and ...