Today I arrived on site and performed a winter tune-up on the system. Here's a summary of the work completed: **Indoor Unit (Air Handler in Closet):** * Replaced the pleated 1" air filter (20x25x1). The customer provided spare filters. * Confirmed the indoor coil is clean and in good condition. **Outdoor Unit (Heat Pump in Back Yard):** * Verified 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 in good working condition: * Blower Wheel * Heat Exchanger * Primary Drain Pan * Electrical Wires Secured **System Performance:** * Return air temperature: 76.0°F. * Supply air temperature: 114.0°F. **Condensat