How Often To Change Smoke Detectors Canada. The national fire protection association (nfpa) recommends changing the batteries in your smoke alarm every 6 months. Smoke alarm lifespans can vary, but according to the association, smoke alarms need to be replaced at least every 10 years.
It's often best to buy a new one instead of replacing the battery to ensure the unit is in the best working order. Modern smoke detection systems installed in houses are placed in every bedroom and on every level. Again, functional testing goes beyond just testing the.
Typically, a smoke alarm lasts for eight or even ten years and if your device is that old.
New alarms have an expiry date. The reason smoke alarms must be replaced every 10 years primarily relates to the durability of the detector itself. It is important that you check and test home smoke alarms often replace the batteries in order to ensure they are working properly. Electronic co detectors are the most common type used.