What is the Difference Between Ionization and Photoelectric Smoke Alarms?

There are two main types of smoke alarms – ionization and photoelectric. Learning the difference can help you make the best choice for home or business.
Since 1946, people have trusted Koorsen to protect and secure their businesses and homes.

Kidde Firex Battery Operated Kitchen Smoke Detector with Photoelectric Sensor 21030007 - The Home Depot

Best Smoke Detector for 2024 - CNET

Types Of Smoke Detectors And Their Differences - Blaze Guard

Ionization vs Photoelectric Smoke Detectors

Fire Safety Howell Township, NJ - Official Website

Your How-To Guide on Home Smoke Alarm Safety

Ionization vs Photoelectric Smoke Detectors

USI Hardwired Ionization Smoke and Fire Detector with Battery Backup - 5304

While all smoke alarms are designed to detect smoke, different sensing technologies react differently to certain types of fires. The Fist Alert SA3210

First Alert Dual Sensor Photoelectric/Ionization Smoke and Fire Alarm with 10-Year Sealed Battery - SA3210 (1039842)

P9050 Battery-Operated Photoelectric Sensor Smoke Alarm

Ionization vs Photoelectric Smoke Detectors - EEWeb

Ionization Smoke Alarm - Kidde

The Best Smoke Detectors of 2024