2022 Carrier AC running in new condition. 20x25x4 air filter is new today. Visual inspection of indoor coil. Flush drain pan and drain lines. Humidifier damper is closed. Confirm proper blower speeds for cooling more on furnace blower settings. Run test unit in cooling mode from thermostat. Delta t of 20F with supply temp of 48F. Refrigerant pressures are within spec. High 245psi with 11F SC, low 115psi with 9F SH. Outdoor coils are in clean condition. Outdoor fan motor and compressor are operating within specs. System is operating properly, efficiently and ready for Summer.