Most homeowners know that their HVAC system has an air filter that needs to be changed on a regular basis. However, what most homeowners don’t know is the reason why they’re supposed to change it. Contrary to popular belief, the air filter isn’t there to keep your home’s air clean. In fact, it has very little to do with your indoor air quality.
The air filter’s primary job is to keep dirt, dust, and debris out of the interior of your HVAC system. Let’s go over the big job that a tiny air filter performs on a daily basis and why it’s so important. We’ll also take a look at what can happen to your HVAC system when you neglect this essential maintenance task.