Would you believe that there are many homeowners out there who aren’t even aware that their HVAC has an air filter inside of it? Or if they do know that, they think it only needs to be cleaned or changed during their annual HVAC maintenance appointment.
Changing your furnace filter is actually a very important step that you need to take on your own, at least every 3 months during periods of use. This is imperative to keeping your HVAC system running effectively and efficiently.