Today I arrived on site and performed a summer tune-up. The system is currently working properly. **Indoor Unit (Air Handler):** * Located in the closet. * Cleaned the indoor coil with a brush. * Verified the indoor coil is in good condition. * Replaced the pleated 1" filter (20x20x1) with a spare provided by the customer. **Outdoor Unit (Heat Pump):** * Located in the backyard. * Verified the outdoor coil is in good condition. **Electrical Components (Tested and Working):** * Blower motor. * Compressor. * Blower run capacitor. * Compressor run capacitor. * Fan run capacitor. * Contactor. * Defrost control board. * Electrical wiring. * Compressor start capacitor. **System Components (Inspected and in Good Condition):** * Blower wheel. * Heat exchanger. * Primary drain pan. * Electrical wires secured. **Measurements:** * Return air temperature: 75.0°F. * Supply air temperature: 58.6°F. **Condensate Drain System:** * Cleared the dra