Today I arrived on site and performed a summer tune-up. The system is currently working properly. **Indoor Unit (Furnace in Attic):** * Verified the overall condition as good. * Washed and checked the washable filter (size 20x25x4). * Confirmed the indoor coil is clean and in good condition. **Outdoor Unit (Straight Cool on Side of House):** * 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 * Electrical wiring * Compressor start capacitor **Inspected Components (Good Condition):** * Blower wheel * Burners * Exhaust flue * Heat exchanger * Secondary drain pan * Primary drain pan * Electrical wires secured * Ductwork **System Readings:** * Return air temperature: 72.0°F * Supply air temperature: 53.2°F **Condensate Drain System:** * Cleared the drain line. * Cleaned out the primary pan.