Air conditioners cool down indoor environments. This is an irrefutable fact. What’s less well known, however, is how an air conditioner actually does this. It will depend on the type of system–for example, an evaporative cooler uses a much different process than a central air conditioner–but for the sake of this blog post, we’re going to make the assumption that you have a refrigerant-based air conditioner like a central air conditioner or heat pump system.
This being the case, you might, at some point, notice ice development on your air conditioner. We hope this is never the case because it’s actually bad news for the system. That’s right, an air conditioner cools, but ice is never part of the process. So then, if you do see ice forming on your air conditioner, why is it a problem? And, what causes the problem? These are questions we’re going to answer below. Read on!