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!

Harmonic Heating & Air Conditioningstarstarstarstarstar5.0 / 5

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24 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.


dual capacitor replacement and diagnostic

Montgomery, IL
07-17-2017


diagnostic and contactor replacement

Montgomery, IL
08-01-2017


dual capacitor replacement

Montgomery, IL
07-12-2017


condenser motor replacement, dual capacitor replacement, a/c tune-up, furnace tune-up and circuit control board replacement

Montgomery, IL
07-06-2017


diagnostic and dual capacitor replacement

Montgomery, IL
08-10-2017


ac tune up and refrigerant

Montgomery, IL
08-03-2017


AC tune up

Montgomery, IL
08-03-2017


Diagnostic, add puron refrigerant, replace R410A and add nu-calgon refrigerant sealant

Montgomery, IL
08-21-2017