If you use a furnace or a heat pump to provide warmth to your home during the winter, it has an air filter on it that needs some special attention over the season. This filter isn’t designed to clean the air (we have plenty of options to help your home with air quality if you need help with that). What it does is protect the interior of the heater from the debris that flows in through the return air ducts. Over the winter months, a great deal of dust, lint, dander, and other particles will become trapped in the filter. The congestion will reach the point where the filter will no longer be able to “breathe” and this can cause multiple problems:

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