Smoke alarms save lives by warning you about a fire while there's time to escape.
Smoke alarms lose their sensitivity over time.
Replace alarms 10 or more years old. Automatic home fire sprinkler system Consider installing an automatic home fire sprinkler system in your home. Sprinklers can contain and even extinguish a home fire in less time than it takes the fire department to arrive. If there's a fire, you'll have to get out fast, so be prepared. Draw a floor plan of your home, marking two ways out of each room.