The filter or filters in your HVAC system play an important role in keeping the HVAC unit clean and your home clean. As air is sucked into your unit to be heated or cooled, it passes through the filter. The filter catches and traps dirt, dust, and dander, only allowing the air to pass through. However, over time, all of this debris clogs the filter, and no more air can pass through, or the air that passes through is dirty because the filter can no longer hold any more debris. Because of this, it is important to look for signs that the HVAC filters need to be replaced so you can have a professional replace them promptly. Here are three of the signs that your HVAC filters need to be replaced.
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