Performed cooling tune up on two heat pumps. Main system Blower is pulling 1.8 amps Temperature difference between return and supply is 20 Capacitor was replaced on outdoor unit and now within manufacturer specifications Compressor is pulling 7.6 amps Outdoor fan is pulling 1.3 amps Subcool is 8 superheat is 10 System is working great Second system Blower motor is pulling 1.2 amps Temperature difference between return and supply is 18 Capacitor is within manufacturer specifications Compressor is pulling 6 amps Outdoor fan is pulling 1 amp Subcool is 10 superheat is 13 System is working great. Cleaned coils and replaced filters.