Performed a 1 system spring maintenance (AC/ electric heat ). Tasks performed. 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 refrigerant pressures. 7. Checked compressor amp draw. 8. Checked condenser fan motor amp draw. 9. Inspected / replaced return filter. 10. Inspected return plenum for debris/ dirty,,,,based on evaporator/ blower motor conditions we highly believe ductwork needs to be cleaned. 11. Inspected evaporator coil,,,evaporator coil is extremely dirty, highly recommended an evaporator coil 12. Inspected blower motor/ blower wheel,,,both are very dirty, there is growth buildup. 13. Checked blower amp draw. 14. Measured temperature differential ,,,was only 17 degrees split differential due to lack of airflow ( extremely dirty evaporator coil). 15. Inspected drain lines. 16. Washed condenser