Air Filter Alerts You When It's Time To Change It

January 10, 2018

© Mike2focus | Dreamstime

Let's face it, you never wake up in the middle of the night, all covered in sweat wondering if you forgot to change the AC filters!  But a clean filter not only improves the air quality it protects your unit. But when is it time to change the filter? 3M, the company that makes those super snazzy HVAC filters has created a new filer that automatically alerts your phone when they need to be replaced. The Filtrete Smart Air Filters install and work exactly like other air filters. The only difference is the addition of a small yellow disc that contains a Bluetooth-connected pressure sensor to measure and monitor the flow of air through the filter. When the detected pressure drops, it means less air is able to move through the dirty filter, and it’s time to be disposed of and replaced. The smart filters should be in stores soon and will sell for somewhere between $22 to $30 depending on the size and filter type you need, which is almost exactly what the same sensorless filters will cost you today.

SOURCE: Gizmodo

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