There’s a fairly common misconception out there about air filters. Many homeowners believe that its only purpose is to prevent allergens and pollutants from entering and contaminating your indoor air—and that’s the reason technicians tell you to clean or replace it once a month. This isn’t the whole truth, however.
The air filter that comes standard with your HVAC system is in place to do more than just preventing allergens from moving back into your airstream. It actually blocks dirt, dust, and other debris from the inside of your air conditioner, protecting the system itself! When an air filter is too dirty, though, the impact on your air conditioner can be just as negative. Wondering why? Read on!