You stand there scratching your head because you know it’s hot outside, yet you have a frost building up on the refrigerant lines and evaporator coil of your heat pump. That’s a sure sign that you definitely have a problem. That should not be happening. Fortunately, it’s not that hard to diagnose and fix heat pump freeze up. If you let this go and take no action the refrigerant in your AC will freeze over clear back to your compressor and it will destroy it. Compressors are an expensive part to try to replace. What to Do for Heat Pump Freeze Up Turn off your system immediately before any further harm can come to it. Next you want to switch your fan setting on the thermostat from ‘auto’ over to ‘on’ and let it defrost your coil. Here is an explanation of why your heat pump may be freezing over – The job of the […]