Complete tune-up special. Change filter and clean ac coil. Find a 19-year-old system operating with a low charge, leaking at evaporator coil in the attic. Missing in line water protection. The system has no filter rack. Find A/C unit operating with damage the contactor, stress compressor, and worn/rusted fan motor. System operating but not cooling properly. R22 leaking at the evaporator coil. Due to system age and poor conditions with leaking coil, need to upgrade system.