ABC’s Good Morning America Investigates Smoke Alarms

“GMA” Investigates conducted two demonstrations showing response times of smoke alarms in very real fire scenarios.

When people buy smoke alarms, they may not know that there are two types on the market: the ionization alarm, which is generally faster to detect blazing fires, and photoelectric, which is generally quicker to detect smoldering fires. Ninety percent of homes have only ionization alarms, and they may not be providing all the protection people need.

Full story on abcnews.go.com.