Many homeowners believe that the only purpose of the air filter inside their HVAC system is to filter allergens and other potentially harmful particles from their indoor air. Here’s the thing—not only is this not its only purpose, it’s not its purpose at all.
The air filter that comes standard with your HVAC system upon manufacturing is there to protect the inside components of the HVAC system itself from dust, dirt, and other debris. Sure, it helps a bit with indoor air quality by drawing particles out of the air, but what you should be more concerned with is the state of your heating or air conditioner. Why? Read on!