Today I arrived on site and performed a summer tune-up. **Indoor Unit (Air Handler):** * Verified the air handler is located in the closet and services the east side. * Checked the pleated 1" filter (size 20x20x1). Noted customer has spare filters and will replace it themselves. * Confirmed the indoor coil is clean and in good condition. **Outdoor Unit (Heat Pump):** * Verified the heat pump is located on the side of the house. * Confirmed the outdoor coil is in good condition. **Electrical Components:** * Tested and confirmed proper operation of the blower motor, compressor, blower run capacitor, compressor run capacitor, fan run capacitor, contactor, defrost control board, and electrical wiring. **System Components:** * Inspected and confirmed the blower wheel, heat exchanger, primary drain pan, and electrical wires are secured and in good working order. **System Performance:** * Measured a return air temperature of 77.0°F and a supply air temperature of 53.