21 Point Tune-ups


21-point Furnace Tune-Up, Cleaning and Safety Inspection

Complete annual tune-ups are essential for preventing problems and maintaining warranties. Twin City Heating and Air's trained technicians will perform a 60-90 minute precision tune-up and professional cleaning including the following 21 operations:

  1. Carbon Monoxide – test air flow duct system for dangerous carbon monoxide
  2. Thermostat – test for proper operation, calibrate and level
  3. Inspect for combustible material around furnace
  4. Ignition System – test for safe and proper operation
  5. Exhaust System – test for proper venting
  6. Measure Supply/Return temperature differential
  7. Safety & Control Circuits – test for proper operation
  8. Inspect and adjust fan belt tension (if applicable)
  9. Clean existing air filter     
  10. Lubricate and clean blower motor air vents
  11. Furnace Burner – clean and inspect (brush and vacuum)
  12. Heat Exchangers – clean and inspect (brush and vacuum)
  13. Clean furnace exterior
  14.  Visual inspection heat exchangers for dangerous cracks and wear
  15. Gas Pressure – measure and adjust for peak efficiency
  16. Lubricate all moving parts per manufacture
  17.  Blower Motor – measure amperage and voltage for proper operation
  18. Electrical Wiring – inspect and tighten connections
  19. Combustion Vents – clean and inspect (upper and lower)
  20. Camera inspection of furnace heat exchange
  21. Natural Gas – check for leaks 

Something else you should know.  Our technicians do not work on commission so they won't look for unnecessary repairs.  What makes our tune-ups different from other companies is that we start with a complete tune-up.  We include all of the checks and inspections without charging you extra.  Our aim is to provide you with the comfort of quality and the peace of dependability.