What do you do when your AC unit freezes up?

What to Do When Your AC Unit Freezes Up Unthaw Your Air Conditioner: The first thing you will need to do is let the ice thaw. Dry Your Coils: Once the ice has thawed, dry the coils. Related blog: How Often Should You Change Your Home’s Air Filters? Clean or change the air filter on a regular basis. Clean the evaporator coils regularly. Click to see full answer. In this way, how do you unfreeze an air conditioner?To thaw out your AC, you need to take two easy steps. First, switch your thermostat to OFF and your fan to ON. This will start defrosting your A-Coil, found inside your home. Give your unit a few hours to fully defrost.Additionally, how long does it take to thaw a frozen air conditioner? It can take anywhere from 1 hour to over 24 hours to unfreeze your air conditioner. It all depends on the extent of the ice buildup. As you’re waiting for the unit to thaw, keep an eye out for: An overflowing drain pan. In this manner, what causes an AC unit to freeze up? A freeze up can also be caused by low refrigerant and improper fan operation. Low refrigerant levels make the coils too cold, and a faulty fan prevents air from moving. Faulty thermostats and drainage problems are often causes of a freeze up.How do you know if your AC froze up?Look for visible ice on the outside of the air conditioning unit. If you see none, open the panel according to the manufacturer instructions and observe the cooling coils. The ice may be there. If you see no ice, the unit may still be frozen.