Today I arrived on site and performed a winter tune-up on the system. **System Assessment:** * Overall equipment condition: Good. * Indoor unit: Located in the attic, it's an air handler/package unit. The indoor coil is clean and in good condition. * Outdoor unit: Located on the side of the house, it's a heat pump/package unit. The outdoor coil is clean and in good condition; I cleaned it today. **Component Testing & Inspection:** * Electrical components tested and working properly: Blower motor, heat strip kit, condenser fan motor, compressor, blower run capacitor, compressor run capacitor, fan run capacitor, contactor, defrost control board, and electrical wiring. * Inspected components in good condition: Blower wheel, ductwork, secured electrical wires, primary drain pan, and secondary drain pan. **Measurements & Adjustments:** * Return air temperature: 67.0°F. * Supply air temperature: 104.0°F. **Condensate Drain Service:** * Cleared the drain line. * Clea