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

Harmonic Heating & Air Conditioningstarstarstarstarstar5.0 / 5

5 stars
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4 stars
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85 Total Reviews Harmonic Heating & Air Conditioning


Oswego, Illinois

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5 Star Rating
Armstrong HVAC A80H1D045A12
Armstrong 45k btu A80 CT furnace, 1.5 ton XR13 and sheet metal
Oswego, IL
06-22-2017

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5 Star Rating
Armstrong HVAC A80US2V070A12
Armstrong variable 80, Armstrong communicating thermostat and iWave Plasma air purifier installed
Oswego, IL
07-12-2017

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5 Star Rating
Armstrong HVAC A96US2V090C16S
Install 2.0 ton AE14, 90k btu A96-2v, Ecobee4, iWave and Armstrong no-lemon warranty
Oswego, IL
09-14-2017