Thermal imgaing technology can set your troubleshooting apart, look for loose wiring connections, air infiltration, overheated compressors, even refrigerant leaks, etc in an instant. Now a days, there are relatively inexpensive hand held units that can come in very handy for many scenarios. Here I'm checking some crankcase heaters. #teachme

Posted by HVAC Know It All at 2021-06-22 22:23:26 UTC