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 Crawl Space):** * Verified the unit is in good overall condition. * Washed the washable 20x25x4 filter and checked its condition. * Observed the indoor coil to be in fair condition. * Inspected and confirmed the blower motor, blower run capacitor, and electrical wiring are working within specifications. * Confirmed the blower wheel, heat exchanger, primary drain pan, electrical wires, ductwork, burners, and exhaust flue are in good condition. **Outdoor Unit (Straight Cool on Side of House):** * Verified the unit is in good overall condition. * Confirmed the outdoor coil is in good condition. * Inspected and confirmed the compressor, compressor run capacitor, fan run capacitor, contactor, and electrical wiring are working within specifications. **System Performance:** * Measured a return air temperature of 73.0°F and a supply air