Arrived at clients for cooling maintenance. Went to thermostat and set to cool. Checked delta t for indoor unit which was 10. Furnace is located in unconditioned space. Flushed condensate drain line made sure no debris was present. Checked evaporator coil, coil was in good condition. Washed outdoor coil and checked system pressures for outside. Everything is operational. Suggested no vent caps for outdoor unit and hard start kit for client. Job complete.