How Often Do I Need To Replace My Smoke Detector?

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Smoke detectors serve a very important purpose despite how annoying they can be sometimes. As long as they are working as intended, they alert you early about any smoke or fires so you and your family can stay safe. However, for them to work properly, you need to know how to care for them and when it's time for a swap. In addition to swapping out the batteries regularly, you should also replace the entire device roughly every 10 years. 

In general, it's a good idea to replace your smoke detector batteries every six months or so to ensure they work properly and don't start that annoying beeping in the middle of the night. You should be checking your smoke detectors and the alarms every month to ensure everything is working as intended. However, smoke detectors don't last forever, even with perfect maintenance. The reason you need to replace your smoke detectors is to ensure they don't fail when they're most needed. This is why the best time to consider a full replacement is roughly every decade or so.

As a smoke alarm ages, it starts to develop faults. For example, it may have false alarms or be slower in responding to smoke, both of which can be incredibly dangerous. To reduce these risks, timely replacement is absolutely necessary. Of course, unless you bought those smoke detectors yourself, you can't easily know how old they are. If you are unsure of when it was purchased, look for a manufacturing date on the back of the device.

Thankfully, smoke detectors aren't terribly expensive. You can find highly-rated ones on Amazon for under $20. For those that connect wirelessly, like this 3-pack of First Alert SMI100-AC Smoke Alarms on Amazon, you can expect something closer to $60 for the bundle. For maximum protection, you want at least detector on every floor of your home, which includes the basement, and then extra devices outside of any bedrooms. If possible, it's a good idea to replace the batteries and the entire device on the same schedule. This gives you a lot fewer dates to remember. 

Buying a series of alarms that are interconnected is a lot safer and worth the investment. In this case, every alarm in the system will go off when one is triggered. You also want to make sure you put your smoke detectors in the right place, usually high up on a wall or on the ceiling. The instructions should tell you the best location for the specific device you purchase.

Additionally, cleaning this forgotten appliance can protect your life. Dust and debris left to build up can block the sensors, leading to false alarms, the detector failing sooner, and the inability to detect smoke and fires until it's too late. To clean out the small parts, a can of compressed air and a microfiber towel are all you need.