You may have heard an HVAC technician tell you at some point that your air conditioner’s air filter needs to be changed. Have you wondered why? Maybe you assumed that a dirty air filter is an issue because it doesn’t protect your indoor air quality when it’s too clogged up. This isn’t quite right, though.
It’s true, when this air filter gets clogged up, it won’t be able to draw in particles from the air. However, that’s not even the purpose of this particular air filter. No, this air filter is in place to protect the interior components of the HVAC system itself. While it doesn’t hurt your indoor air quality, it’s actually in place to protect the integrity of the air conditioner.
So what happens when you don’t change your air filter regularly (every 1-3 months)? The following: