Checked AC system located on the second floor attic diagnosed the condensate drain line is pitched wrong and the condensate drain P trap is incorrect for this application also the suction line is lying on the rafters and the insulation is being crushed also there is no insulation on one of the supply air duct work highly recommend to install a condensate drain P trap with safety overflow switch and positive air vent and a condensate pump with 20 feet of 3/8 plastic tube and adjust the existing suction line from lying on the rafters and to insulate 3 feet of 18 inch round duct View visual findings from this job here - https://visionshare.xoi.io/?id=XA-90AE-6D4C1D5A544944BA84B78D4899FCBFE6 Maintenance agreement the job will take approximately 4 hours