Safety and emergency readiness
Test every smoke alarm with its built-in button
A working alarm provides early warning when a fire starts.
Homeowner guidance with clear stop points
When it usually needs attention
Usually repeats every 1 month
CPSC and NFPA call for monthly user testing.
When this guide applies
Applies to every occupied home.
What to do
Map every alarm, warn the household, press each built-in Test button, and record whether it sounds clearly.
Applies when: Applies to every occupied home.
Who should handle it: A resident may perform the user test; installation, hardwired repair, and local compliance remain with the responsible owner or manager.
Tools
- Stable step stool only if the button cannot be reached safely
Parts and supplies
- Only after a failed test: the exact battery or replacement alarm specified by the device
Safety gear
- No special PPE; warn anyone sensitive to loud sounds
Before you start
- Tell everyone the alarms will sound
- Use only the alarm's Test button
Power, water, or fuel shutoffs
- None for the built-in user test
Cleaner or chemical limits
No cleaner, smoke, flame, canned air, or spray is used for this test.
Stop and get help when
- Do not reach from an unstable surface
- If an alarm sounds outside the planned test or there is smoke or fire, leave and call emergency services
Who to call: Use qualified service for hardwired faults or installation work.
Reviewed sources
- Carbon Monoxide AlarmsU.S. Consumer Product Safety Commission · reviewed July 13, 2026
- Get to Know Smoke AlarmsNational Fire Protection Association · reviewed July 13, 2026
- Smoke Alarms for People Who Are Deaf or Hard of HearingNational Fire Protection Association · reviewed July 13, 2026