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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24 Total Reviews Harmonic Heating & Air Conditioning


HVAC Split AC Oswego, Illinois

At Harmonic Heating & Air Conditioning, we install and service all brands of central air conditioning in Oswego, IL. If you have an existing cooling system our trained staff can diagnosis you split cooling system systems and recommend terrific new high efficiency choices. We offer same day evaluation and prompt air conditioning installation services Oswego, IL.

Let us help you decide how best to solve you air conditioning needs today.

Trane 4TTR6042
Installed Trane Furnace, 3.5-ton Air Conditioner with A/C Coil, and 50-gallon Hot Water Heater, along with a 4" Media Filter and Humidifier.
Oswego, IL
06-19-2017

4TTR6042
Minor electrical repair of damaged low voltage wiring and disanostic

Oswego, IL
06-21-2017

4TTR6042
Minor electrical repair, diagnostic and service cleaning

Oswego, IL
06-21-2017

4TTR6042
gas control valve replacement

Oswego, IL
07-03-2017

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5 Star Rating
4TTR6042
A/C tune-up

Oswego, IL
07-05-2017

4TTR6042
diagnostic and blower wheel replacement

Oswego, IL
08-01-2017

4TTR6042
dual capacitor replacement and contactor replacement with diagnostic

Oswego, IL
08-03-2017

4TTR6042
diagnostic, system running hot and low on refrigerant so added refrigerant Freon and service cleaning

Oswego, IL
08-03-2017

4TTR6042
diagnostic and dual capacitor replacement

Oswego, IL
08-03-2017

4TTR6042
diagnostic

Oswego, IL
08-07-2017

4TTR6042
diagnostic

Oswego, IL
08-07-2017

4TTR6042
diagnostic ad circuit control board replacement

Oswego, IL
08-07-2017

4TTR6042
diagnostic ad circuit control board replacement

Oswego, IL
08-07-2017

4TTR6042
diagnostic ad circuit control board replacement

Oswego, IL
08-07-2017

4TTR6042
refrigerant (Freon) and sealant (nu-calgon)

Oswego, IL
08-07-2017

4TTR6042
diagnostic and dual capacitor replacement

Oswego, IL
08-10-2017

4TTR6042
general admission maintenance plan and air conditioner tune up

Oswego, IL
08-10-2017