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Smoke Alarms Overview 

Studies demonstrate that smoke alarms save more lives than any other fire prevention measure. Smoke alarms provide the earliest warning of both fire and smoke.  

Industry experts at the NFPA have determined that in a typical home fire, you only have three minutes to escape. Help protect your family and belongings with FireX®, the brand professionals choose over all others. FireX has the world's largest installed base, with more than 100 million units at work. (Research from the National Institute of Standards and Technology.)

If your home has smoke alarms, check the date on the unit to determine how old it is. The NFPA recommends replacing your alarms every 10 years.

It is important to know that not all smoke alarms are created equal. Some are better at sensing slow-burning, smoldering fires, while others warn of fast, hot blazes. Learn more about photoelectric and ionization technologies used to detect smoke in your home plus additional information in our Replace and Upgrade Guide.

FireX Advantage

FireX alarms are known for quality, reliability, ease of installation and maintenance. Special features such as front-load battery doors and the PowerLink Tab™  keep batteries fully charged in new homes until residents move in, help speed installation and eliminate battery callbacks.

Smart wiring makes it easy to install and interconnect FireX alarms. A special ramp-up horn protects your hearing during testing. And experienced technical support is always just a phone call away.


Photoelectric technology is generally more effective at detecting slow, smoldering fires which smolder for hours before bursting into flame. Sources of these fires may include cigarettes burning in couches or bedding.

View all Photoelectric alarms available.



Ionization technology is generally more effective at detecting fast, flaming fires which consume combustible materials rapidly and spread quickly. Sources of these fires may include flammable liquids or paper burning in a waste container.

View all Ionization alarms available.