Harmonic Heating & Air Conditioning is here for you! Call us today when you need heating, air conditioning, water heating, air quality or commercial HVAC services! Harmonic is your local comfort expert!

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Work Near You

Harmonic Heating & Air Conditioning is dedicated to our customer's comfort! Take a look at all ofthe services we have provided near you!

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8 Total Reviews Harmonic Heating & Air Conditioning


Keeping Cool in Montgomery, Illinois

Ideally when it gets warm outside when you walk over to your thermostat and click cool you should be all set. But what can you do when you click cool and nothing happens, or warm air comes out of your ductwork rather than cool?

Call Harmonic Heating & Air Conditioning. We have fully trained expert AC technicians that work in Montgomery, IL all the time. We have the know-how, and the parts needed to get your air conditioning system back up to speed quickly.


Diagnostic - failed compressor - a/c unit needs to be replaced

Montgomery, IL
06-21-2017


Beginning of season tune-up on older A/C model -- Air conditioner is operating correctly again.

Montgomery, IL
05-31-2017


Diagnostic, Freon and Refrigerant Sealant

Montgomery, IL
06-21-2017