Operation, maintenance, and repair of refrigerant compressors, condensers, evaporators, traps, transfer pumps, expansion valves, stop valves, and float valves, together with all refrigerant lines and devices used to control temperature, and air conditioning systems in their entirety. Perform electrical repairs including running and bending conduit piping, pulling cables, performing electrical panel maintenance, electric motor maintenance, and predictive maintenance using a megar on said motors and compressors.