Sign 1 CCI plan and complete cooling pm check. Find 5 year old Trane system operating with in manufacturer spec. Find system missing inline water protection and missing P-trap for proper drainage of water. Find duct system R6 and not insulation properly for system in attic, find upstairs badroom under size in duct work and need to replace 1 6†duct to a 8†duct for better air distribution. Find zone control worn and overheated resistor, worn damper system. Suggest to upgrade zone system.