If you have an HVAC system in your home, then you’ve certainly changed a filter or two. While you may know changing your filter is essential, have you ever wondered why? Many people have questions concerning their HVAC systems and how to maintain them properly. One of the most important, yet easiest ways to ensure your system operates well is to maintain a clean filter. To help you understand more about the health of your HVAC system, Furnace Doctors is here to answer a few of the most common air filtration questions.

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