Client had reservations about refrigerant charge ….open ceiling concept for single system ….thermostat is downstairs not upstairs, if blinds are open on windows this could cause some stratification recorded temp differences in the home to with thermometer....very good possibility these VARIABLES would be contributing to any system inefficiency based off my diagnosis today ….no attic insulation for 4 ton unit in attic closet upstairs …verified indoor and outdoor capacitors are in range to which they are …* no flood protection on drainage for * HVAC PVC ran into * PLUMBING stack ….home was holding at 73 degrees before verifying system operations ….client opted to add flood protection on system in attic * installed and verified system operations after immediate repair …thank you for choosing TE certified ..