Came out today on a 3 system maintenance Checked pressures checked duct work checked insulation levels cleared drains cleaned outdoor coils changed 2 or 3 units filters checked Amp draws checked bearings checked blades checked contactors checked run capacitors checked electrical connections Found 2ton Unit in garage attic 2b2g: Bad 7.5 run cap Dirty filter needs to be changed 20x25x1 Dirty duct work Dirty blower wheel 2 square boxes 5ton unit furthest in attic upstairs 861G: Bad 15 run cap Dirty blower wheel Dirty duct work Cracked/rusted secondary drain pan Main return to unit hanging not attached so unit sucking in attic air. 3.5ton small unit in upstairs attic s92g: Main return to unit not fully attached and hanging so unit is sucking in attic air Dirty duct work Bad 5 run cap 12seer r22 2ton condenser fd2f: Low on r22 High Amp draw on condenser fan motor meaning possible part failure Dirty condenser coil / cleaned. 3.5 410a condenser 273f: Bad 7.5 run cap Contactor is burnt