Today I arrived on site and performed a winter time tune up on your system, confirming it is currently working properly. **Indoor Unit (Air Handler in Closet):** * Verified the indoor coil is clean and in good condition. * Replaced the pleated 1" filter with a spare the customer provided (size: 18x18x1). **Outdoor Unit (Heat Pump on Side of House):** * Confirmed the outdoor coil is in good condition. * Tested and inspected the following electrical components, all operating within manufacturer's specifications: * Blower Motor * Compressor * Blower Run Capacitor * Compressor Run Capacitor * Fan Run Capacitor * Contactor * Defrost Control Board * Electrical Wiring * Inspected the following components, all found to be in good working condition: * Blower Wheel * Heat Exchanger * Primary Drain Pan * Electrical Wires Secured **System Performance:** * Return air temperature: 73.0°F. * Supply air tempera