A working smoke alarm gives people the minutes they need to escape. Test alarms monthly, keep fresh batteries installed, replace units at ten years, and make sure every level and sleeping area is covered.
Smoke alarms cut the risk of dying in a fire roughly in half, but only when they work and people can hear them. They provide early warning so a family, workplace, or building occupant can begin the escape plan before smoke blocks the route.
Use the six checks below in homes and workplaces. Follow the manufacturer's instructions and your local fire code for alarm placement, and replace any alarm that is damaged or past its service life.
1. Test Monthly
Press the test button once a month. A clear alarm sound confirms that the unit has power and can make a warning sound, but it does not prove every part of the sensing system is perfect. Keep testing on schedule and replace alarms that fail.
2. Keep Fresh Batteries
Change replaceable batteries yearly or according to the manufacturer's instructions. A chirp commonly indicates a low battery — replace it promptly rather than removing the battery and leaving the alarm disabled.
3. Replace Alarms at Ten Years
Smoke sensors wear out over time. Check the manufacture or replacement date and replace the whole unit every ten years unless the manufacturer or local requirements specify an earlier replacement.
4. Cover Every Level and Sleeping Area
Place alarms on every floor, inside each bedroom, and outside sleeping areas, following the manufacturer's installation instructions and local code. People need an alarm close enough to hear it while asleep.
5. Never Disable an Alarm
Never pull the battery because of nuisance alarms. Fan away cooking smoke, improve ventilation, or relocate the alarm only where permitted by the instructions and code. A disabled alarm cannot provide a warning during a real fire.
6. Interconnect When Appropriate
When interconnected alarms are installed correctly, one sounding causes the others to sound. This provides earlier warning throughout a larger home or building. Have wiring changes completed by a qualified person.
Alarms and Extinguishers Have Different Jobs
An alarm warns you; an extinguisher may let a trained person act on a small, contained fire with a clear exit behind them. Keep extinguishers visible, accessible, and maintained. InspectExtinguishers helps businesses and service companies track their equipment, monthly checks, deficiencies, and service dates.
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