AC performance tune up times one system. Change the oil filter client Supply. Verified primary drain is clear. Inspect blower, evaporator. Evaporator is leaking. Check outdoor unit. Refrigerant level was extremely low. Added nine pounds of AZ 22 system. Office will call and schedule if the 13th or sooner that we can install the evaporator coil wash condenser coil. System is cooling properly at this time.