2021 Carrier 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. Run test unit in cooling mode from thermostat. Delta t of 21F with supply temp of 51F. R410a refrigerant pressures are within spec. High 275psi with 11F SC, low 115psi with 10F SH. Water flushed outdoor coils to remove dirt and debris. Outdoor fan motor and compressor are operating within specs. System is operating properly, efficiently and ready for Summer.