How Often Should You Change Your Smoke Alarms. Thats why you should always replace your smoke detector battery right after it emits a warning beep or chirp. Newer model smoke alarms are more reliable than older models so consider upgrading when its time to replace your older.
See Our Top Picks. How Do You Know If a Smoke Detector Is Going Bad. Thats why you should always replace your smoke detector battery right after it emits a warning beep or chirp.
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The entire unit needs to be replaced every 10 years. Thats why you should always replace your smoke detector battery right after it emits a warning beep or chirp. Replace the entire smoke alarm every 10 years. Making a schedule is the easiest way to keep up with your smoke detector batteries.
