Arrived on site, for heating maintenance. Pastor Frank informed us all was well and he had no concerns with unit operation at this time. Proceeding with the heating maintenance on all 3 units. 2 2022 Trane furnaces and one Payne 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. Tested inducer motor and pressure switches 7. Inspected surface igniter. 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. Inspected drain lines and treated to prevent blockages 15. Cleaned and tested flame sensors on all units. Noticed oil leaking from the bearings on blower motor of older Payne unit. This is an indica