Is a Filter Absolutely Important for Running Your Furnace?

The filter in your furnace serves a number of essential functions. Many do not understand what these functions are and thus, run their furnace without a filter or do not change the filter as suggested. If you are one of those people – or you simply want to know more about your furnace and how it works – then read on. What Does a Filter Do? One important function of the filter in your furnace is to clean the air before it is sent back into your home. As air is sucked into the furnace it goes through the filter to trap and prevent the circulation of germs, contaminants, and allergens like dust, pollen, and pet dander. Basically, it improves the quality of the air that you breathe in your home. This function is a secondary benefit provided unintentionally through the original design of furnace filters. The original purpose of filters is to prevent debris from pummeling the system, lodging in the fan, and/or jamming up the motor. Thus, it is there to help prevent permanent damage and extend the life of your furnace. Why Filters are Essential Over time, the damage caused by debris in your furnace can create...

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