2020 Trane AC running in great condition. 20x25x4 air filter is new today. Visual inspection of indoor coil. Flush drain pan and drain lines. Humidifier damper is closed. Turned on programming for thermostat. Test ran in cooling mode from thermostat. Delta t of 20F with supply temp of 52F. Refrigerant pressures are within spec. Outdoor coils are in clean condition. Outdoor fan motor and compressor are operating within specs. System is operating properly, efficiently and ready for Summer.