Today I arrived on site and performed a summer tune-up on the system. Here's a summary of the work completed: **Indoor Unit (Furnace in Attic):** * Replaced the 20x25 pleated filter (2-6"). Customer requested additional filters for future service. * Dusted return grills and thermostat. **Outdoor Unit (Straight Cool in Backyard):** * Verified outdoor coil is clean and in good condition. **Electrical Components:** * Verified proper operation and amperage of blower motor, condenser fan motor, compressor, blower run capacitor, compressor run capacitor, contactor, electrical wiring, and defrost control board. **System Components:** * Confirmed blower wheel, primary drain pan, ductwork, and electrical wires are secured and in good working condition. **Condensate Drain System:** * Cleaned out the primary pan. * Cleared the drain line and tested the safety switch. **Testing & Adjustments:** * Measured return air temperature at 75°F and supply air temperature at 64°