One of the simplest and most effective things you can do to keep your HVAC system operating efficiently is to change the furnace filter regularly. The filter is your system’s first line of defense against dust and other debris and is a key factor in keeping your indoor air clean. Why Is the Furnace Filter So Important? The primary job of the filter is to keep the air flowing through the ductwork clean. Unfiltered air leads to a buildup of …
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