Smoke Detectors Maintenance
- Test your smoke alarm at least once a month by pressing the test button.
- Replace weak or worn-out batteries at once.
- Never borrow smoke alarm batteries for other uses.
- Keep extra batteries on hand.
- Change batteries at least twice a year.
- Dust and vacuum smoke alarms at least once a year.
- Replace smoke alarms every 10 years.
- Make sure smoke alarms are working when you return home after an extended absence.