If something happens to one part of your AC system, it might not shut down immediately, but it will begin to affect other areas. For instance, if your refrigerant starts leaking, the indoor evaporator coil will get too cold and freeze up, which could permanently damage it. Just like with a car, as soon as you notice something isn't right, you should call an AC technician before the problem gets worse.
Unfortunately, waiting could mean more problems, more repairs, and more money spent down the road. In order to know what to look for before it's too late, here are common repairs AC Heating & Cooling makes, what causes the issue for the repair, and what to look for.