Maintenance ScheduleHome
How often should you test smoke alarms?
The monthly test takes a few seconds: press the test button until you hear the loud alarm. The 10-year replacement date is on the back of the alarm, not the date you fitted it.
The answer
Test smoke alarms once a month, and replace the whole alarm 10 years after its manufacturing date.
Range: Monthly and 10 years · checked 6 November 2026
Typical interval
What changes it
- Battery or sealed 10-year alarm: sealed alarms still need the monthly test and the whole unit goes at 10 years.
- Hardwired alarms with a battery backup: test monthly and replace the backup battery as the manufacturer says.
- A chirp every 30 or 60 seconds usually means a low battery; a chirp that continues after a new battery means the alarm is at the end of its life.
- Several alarms on one floor: test each one, not just the nearest.
Do it
- Press and hold the test button until the alarm sounds.
- Ask someone at the far end of the home to confirm they can hear it.
- Note the manufacturing date on the back and replace the unit when it reaches 10 years.
- Vacuum the vents now and then, following the manufacturer’s instructions.
Put it in your schedule
The maker opens with Smoke Detector Test at every month.
No account. The maker keeps the job in your browser and in the link.
Why this interval
The sources below give the full picture. The factors above are the ones that move the interval for most situations.
The range is a starting point, not a rule for every situation. The factors above are the ones the sources name; if your situation is different, use the range and ask a professional where the job needs one.
If you want the job in a schedule with reminders, open the schedule maker with this job already loaded. The how often index has the other jobs.
Smoke Detector Test questions
What changes the interval?
Battery or sealed 10-year alarm: sealed alarms still need the monthly test and the whole unit goes at 10 years. Hardwired alarms with a battery backup: test monthly and replace the backup battery as the manufacturer says. A chirp every 30 or 60 seconds usually means a low battery; a chirp that continues after a new battery means the alarm is at the end of its life. Several alarms on one floor: test each one, not just the nearest.
Does the app use this interval?
The app’s ready-made schedule uses every 6 months for “Smoke Detector Test”. Set it to every month if you want the monthly test in your schedule.
Where does this come from?
The answer is checked against one primary source, linked under Sources with the date each was read.
Sources
The interval and the factors on this page are checked against this source.
- Learn more about smoke alarms. National Fire Protection Association (NFPA).Testing monthly and replacing the whole alarm at 10 years. Checked 6 November 2026.