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


Residential Air Conditioners Montgomery, Illinois

Hey Montgomery, IL: need a new central air conditioning system, or need help with your existing system? We are air conditioning experts and can help you decide what is you best cooling system option. At Harmonic Heating & Air Conditioning, we install and service all types and brands of air conditioning. So contact us today. We offer prompt knowledgable advice for your Montgomery, IL home or business.


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

Montgomery, IL
05-31-2017

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5 Star Rating
Trane 4TTR3048*
Installed Trane 4-ton Air Conditioner with wi-fi smart thermostat system and sensors.
MONTGOMERY, IL
06-19-2017

4TTR3048*
Diagnostic - failed compressor - a/c unit needs to be replaced

Montgomery, IL
06-21-2017

4TTR3048*
2.0 ton AB13 Armstrong basic 13, Plenum add-on, Counter flow add-on, Copper lineset and Armstrong 80 furnace

Montgomery, IL
06-21-2017

4TTR3048*
Diagnostic, Freon and Refrigerant Sealant

Montgomery, IL
06-21-2017