Arrived on site for heating maintenance on 2023 Trane heat pumps. Homeowner stated was all was well with normal system operation. Proceeded with heating maintenance as scheduled. 1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor. 6. Checked compressor amp draw. 7. Checked condenser fan motor amp draw. 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/ dirty. 10. Inspected evaporator coil. 11. Inspected blower motor/ blower wheel. 12. Checked blower amp draw. 13. Measured temperature differential from supply to return. 20 degrees measured. 14. Tested capacitor and contactor (outdoor electrical) 15. Rinsed condenser unit to promote heat exchange 16. Tested emergency heat and found no issues Unit in good working order upon departure.