Arrived on site for heating maintenance on 2022 Lennox furnace. Homeowner stated all was well with regards to normal unit operation to his knowledge. Inquired about dryer vent cleaning and homeowner stated they were not interested at this time. Proceeded with heating maintenance as scheduled. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested for gas leaks 6. Tested functionality and cleaned flame sensor 7. Tested functionality and cleaned pressure switches and ports 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/ dirty. 10. Inspected evaporator coil. 11. Tested functionality and visually inspected surface igniter 12. Checked blower amp draw. 13. Measured temperature differential from supply to return. 20 degrees measured. All components were testing within range and operating within manufacturer specs. Advised homeowner I was startin
