Kidde Canada. Test smoke alarms — and know when to replace them According to Cooksey, it’s important to check your smoke and carbon monoxide alarms at least once a week.

Optional: Use an aerosol smoke test spray to test sensors and more The test button is the best way to check a smoke alarm's siren and battery, but it's not exactly testing the smoke sensors ...

Smoke alarms that are properly installed and maintained save lives. Here’s how often to check them, where to install them in the house and more.

As Daylight Saving Time comes to an end early Sunday morning, don’t forget to check your smoke and carbon monoxide alarms.

The battery compartment is often sealed thus preventing tampering. Some cities require at least one 10-year sealed battery smoke alarm in addition to wired or devices with replaceable batteries.

Daylight saving time is often recommended as a good time to test smoke alarms and change batteries if needed.