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 Found extremely dirty/dusty ducts and bacterial growth on blower wires and evaporator coil. Recommend duct cleaning to improve air quality and over all efficiency and health of the ac system. Also would not be a bad idea to have an air scrubber to help maintain the system and further