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.
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First Alert 10-Year Battery 2-Pack Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at

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Ionization vs. Photoelectric smoke alarms

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Ionization Vs. Photoelectric Smoke Alarm Comparison

Kidde 5 Battery Ionization Smoke Alarm with Test Button

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The Kidde PI2010 is a 120-Volt AC, wire-in smoke alarm with 9-Volt battery backup. This smoke alarm functions as a stand-alone unit or in an

Firex Hardwired Smoke Detector with Ionization and Photoelectric Dual Sensors