Arrived for STUx2 Replaced filters Drains clear Blower and coils slightly dusty Furnace components are fine Washed condenser coils Capacitors and motors are fine Installed IAQ200 in downstairs system Typed of upstairs system with refrigerant 1.2 pounds Will return to do the upstairs system UV at later date because homeowner has to leave the house He will make a decision on the upstairs insulation at that time