Today I arrived on site and performed a winter time maintenance on your HVAC equipment. Air Handler (Indoor Unit): Located in the attic; services the whole home. Replaced the pleated 1" filter (20x30x1). Observed the indoor coil to be in fair condition. Heat Pump (Outdoor Unit): Located on the side of the house. Observed the outdoor coil to be in fair condition. Tested and inspected the following electrical components, and they are working properly: Blower Motor Heat Strip Kit Condenser Fan Motor Compressor Blower Run Capacitor Compressor Run Capacitor Fan Run Capacitor Compressor Start Capacitor Contactor Electrical Wiring The Defrost Control Board is not working properly. Inspected the following components, and they are in good condition: Blower Wheel Secondary Drain Pan Primary Drain Pan Electrical Wires Secured Ductwork System Performance: Return air temperature: 75.0°F. Supply air temperature: 85.0°F. Cleared the condensate drain line and tested the safety switch. Confirmed the