When a homeowner is learning about their air conditioner, there’s a lot of information to take in: refrigerant coils, compressors, thermostat programming. It’s no surprise that the air filter—the most ordinary piece in the entire system—becomes less than the top priority. Yet, a neglected air filter can quickly become a top priority when it’s making your air conditioner flip out.
A neglected air filter can create some seriously alarming symptoms, so make sure you start by getting it replaced if you notice any of the following: