ONE TIME AC TUNE UP FOR SECOND FLOOR UNIT: Replaced one pleated Filter, Flushed Drain lines, test all electrical components, Test Cooling Mode Check Refrigerant Charge, Rinse Condenser coil with water only. The 2 Ton AC and Coil tempstar is 6 Years Old is not working Properly Due to Poor Maintenance Condition, Low Refrigerant Charge and Dirty Condenser Coil. Note: The gas furnace Lennox is 20 Years Old the Gas line connection is not up to code. Completed repairs by costumer Request. Replaced run capacitor 5.0 uf plus clean condenser coil with chemical and recharged system with 2 pounds of refrigerant R 410 a, test cooling mode is ok. if problem continues on the unit loosing refrigerant I recommend to Performend Electronic Leack search. Air-conditioning inspection Perform smiley preventive maintenance inspection, xx system AC tune up. System 1: Attic System 2: Location -Filter: -Flush drain line: -Clean and tighten electrical connections and wires: -Chec