SMOKE ALARM MAINTENANCE
MonthlyTest your smoke alarms every month.
Twice a YearChange your clocks, change your batteries.
AnnuallyVacuum your alarms to clean out dust.
For battery-operated alarms, open the cover of the alarm and gently vacuum the inside with a soft bristle brush.
For electrically-connected alarms, first shut off the power to the unit and then gently vacuum the outside vents of the alarm only. Don't forget to turn the power back on and test the alarm!