Today I arrived on site and performed a winter tune-up on your system. Here's a summary of the work completed: **Indoor Unit (Package Unit, Furnace):** * Confirmed the unit's overall condition is good. * Verified the indoor coil is clean and in good condition. * Replaced the accordion filter (size 201 apr) with a spare provided by the customer. **Outdoor Unit (Side of House, Straight Cool, Package Unit):** * Confirmed the outdoor coil is in good condition. * Verified electrical wiring is working properly within manufacturer's specifications. **System Components:** * Inspected the blower wheel, heat exchanger, primary drain pan, electrical wires, ductwork, burners, and exhaust flue; all are in good condition and working properly. * Cleared the condensate drain line and cleaned out the primary pan. * Tested for carbon monoxide; result was 0.00 PPM. * Measured a return air temperature of 70.0°F and a supply air temperature of 101.4°F. **Additional Actions:** *