Today I arrived on site and performed a summer tune-up on the system. Here's a summary of the work completed: * **Indoor Unit (Air Handler in Closet):** * Condition noted as fair. * Indoor coil brush cleaned. * Pleated 1" filter checked; customer to provide replacement (18x20x1). * **Outdoor Unit (Heat Pump on Side of House):** * Outdoor coil condition good. * **Electrical Components (Tested and Working):** * Blower motor, compressor, blower run capacitor, compressor run capacitor, fan run capacitor, contactor, defrost control board, and electrical wiring tested and operating within specifications. * **System Components (Inspected and Working):** * Blower wheel, heat exchanger, primary drain pan, and electrical wires secured, all in good working order. * **System Performance:** * Return air temperature: 77.0°F. * Supply air temperature: 55.5°F. * Condensate drain line cleared; primary pan cleaned; safety switch tested