It's not news that every home needs multiple smoke detectors-one for every sleeping area and one for every floor of your home, including the basement and attic. You probably also know that you should be testing all your smoke detectors monthly and replacing the batteries at least yearly.
Listen to ON LONG LIFE SMOKE ALARMS or read the text below:
Unfortunately, not everyone replaces batteries on schedule, and a smoke detector with a dead battery is like having no smoke detector at all. That can be a fatal mistake in a fire-the National Fire Protection Association reports that two-thirds of all deaths from house fires were in homes that didn't have working smoke alarms.
Smoke detectors that have 10-year batteries can provide some peace of mind. You still need to test them regularly, but you don't ever have to replace the battery. At the end of the 10-year battery life, you replace the entire unit. And no, that's not wasteful: Even smoke detectors that use 9-volt batteries should be completely replaced every 10 years.
Another idea is to have hard-wired smoke detectors installed. These run off your home's electrical system, not batteries, but they do have backup batteries, so they'll continue to function if your power is out. You still need to test those units regularly to make sure they're in good working order.
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