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News & Advice


Furnace Repair

Now that the cold winter months in Aurora, Naperville, Montgomery, Oswego, Plainfield, Sugar Grove, and their surrounding communities are upon us... you should have had your annual furnace inspection, or what professionals call an "Annual Clean & Check". If we find a potential problem, it can be repaired by one of our Harmonic Heating & Air Conditioning's professional repair technicians while we're there, and save on future emergency service calls.

Harmonic Heating & Air Conditioning has established itself as the premier furnace repair specialist in Aurora, Naperville, Oswego and their surrounding communities, and you can take advantage of our affordable furnace repair services around the clock! Here are just a few of the reasons why you should choose Harmonic your furnace repairs:

  • Family Owned HVAC Contractors
  • Fully Licensed & Insured
  • We Service Your Area with
  • 24 Hour Around the Clock Customer Service
  • Affordable Repairs on All Makes and Models
  • Superior Service

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Furnace Inspection & Repair


Furnace Inspection Checklist:

  • Check flue for safety & carbon monoxide leaks
  • Check return & air filter
  • Lubricate motors and bearing as needed
  • Check all parts for visible wear & tear
  • Check gas train and all electrical components / connections for safety
  • Test thermostat operation (and check batteries)
  • Clean and check heat pump assembly if necessary
  • Check proper burner ignition and efficiency
  • Confirm complete system operation