glossary-smoke-alarm
Smoke Alarm
Definition: A smoke alarm is a device that detects smoke from a fire and alerts your family with a loud sound, giving you early warning to get out safely. There are 2 ways these alarms detect smoke
- Ionization Smoke Alarm - Best at sensing fast-flaming fires (think: paper/grease flare-ups). Downside they are more prone to nuisance alarms when placed poorly near the kitchen.
- Photoelectric Smoke Alarm - Best at sensing smoldering fires (think: couch cushion, wiring, "smoky" slow burn) - Generally fewer nuisance alarms from normal cooking compared to the Ionization detector
Parent Tip: Install smoke alarms on every level of your home, inside each bedroom, and outside sleeping areas. Test them monthly and replace batteries as needed so they work when it matters most. (Some detectors require battery changes 1-2 times per year, other brands have a 10 year battery that will last around 10 years)
Why It Matters: In a house fire, seconds count. Smoke alarms can give your family the extra time needed to wake up, get out, and call for help.
Related Terms: Fire Safety, Emergency Plan, Smoke Inhalation, Injury Prevention
Written and reviewed by Jeremy Manke, Firefighter / Paramedic (22 years of emergency service)