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
116
4 stars
3
3 stars
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2 stars
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1 stars
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119 Total Reviews Harmonic Heating & Air Conditioning


AC Cooling and Air Conditioning Systems Oswego, Illinois

At Harmonic Heating & Air Conditioning, we install and service all brands of central air conditioning and cooling systems in Oswego, IL. If you have an existing cooling system our trained staff can diagnosis your AC system 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 your 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

4TTR6042
clean and check furnace

Oswego, IL
09-07-2017

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5 Star Rating
4TTR6042
Diagnostic and dual capacitor replacement

Oswego, IL
09-21-2017

4TTR6042
diagnostic

Oswego, IL
09-25-2017

4TTR6042
diagnostic

Oswego, IL
09-25-2017

4TTR6042
answered miscellaneous furnace questions

Oswego, IL
09-26-2017

4TTR6042
furnace tune-up, uv replacement bulb and general admission maintenance program

Oswego, IL
09-28-2017

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5 Star Rating
4TTR6042
boiler tune-up

Oswego, IL
10-05-2017

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5 Star Rating
4TTR6042
furnace tune-up and general admission maintenance program

Oswego, IL
10-11-2017

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5 Star Rating
4TTR6042
furnace tune-up and general admission maintenance plan

Oswego, IL
10-11-2017

4TTR6042
furnace tune-up, humidifier panel and capacitor 20mfd and under

Oswego, IL
10-16-2017

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5 Star Rating
4TTR6042
furnace tune-up and humidifier panel

Oswego, IL
10-18-2017

4TTR6042
general admission maintenance program, furnace tune-up and capacitor 20mfd and under

Oswego, IL
10-23-2017

4TTR6042
furnace tune-up and humidifier panel

Oswego, IL
10-23-2017

4TTR6042
pressure switch replacement

Oswego, IL
10-26-2017

4TTR6042
furnace tune-up

Oswego, IL
10-26-2017

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5 Star Rating
4TTR6042
Furnace tune-up x2

Oswego, IL
10-30-2017

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5 Star Rating
4TTR6042
general admission maintenance program, AC tuneup, Furnace tuneup and dual capacitor replacement

Oswego, IL
10-30-2017

4TTR6042
general admission maintenance program, furnace tune up and humidifier panel

Oswego, IL
10-31-2017

4TTR6042
furnace tune-up x2

Oswego, IL
10-31-2017

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5 Star Rating
4TTR6042
furnace tune-up, humidifier panel, basic filter and capacitor 20mfd and under

Oswego, IL
11-06-2017

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5 Star Rating
4TTR6042
furnace tune-up

Oswego, IL
11-07-2017

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5 Star Rating
4TTR6042
furnace tune-up

Oswego, IL
11-07-2017

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5 Star Rating
4TTR6042
furnace tune-up

Oswego, IL
11-14-2017

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5 Star Rating
4TTR6042
furnace tune-up, installed customer supplied nest thermostat and installed humidifier panel

Oswego, IL
11-14-2017

4TTR6042
replaced humidifier water panel and made sure system is running properly

Oswego, IL
12-07-2017

4TTR6042
Diagnostic and HSI replacement

Oswego, IL
12-13-2017

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5 Star Rating
4TTR6042
Installation of Ecobee4, iWave-R, April Aire 700, furnace tune-up and general admission maintenance program

Oswego, IL
12-20-2017

4TTR6042
diagnostic and no heat service call

Oswego, IL
12-27-2017

4TTR6042
Blower motor replacement and blower wheel replacement

Oswego, IL
12-30-2017

4TTR6042
repair heating system, heating maintenance, diagnostic, OEM draft inducer motor replacement, general admission maintenance program and furnace tune-up

Oswego, IL
01-05-2018

4TTR6042
Installed Honeywell he 200 by-pass humidifier

Oswego, IL
01-30-2018

4TTR6042
repair hvac, hvac maintenance, repair heating system, heating maintenance, diagnostic and cleaned flame sensor in furnace

Oswego, IL
02-08-2018

4TTR6042
diagnostic, furnace service cleaning, repair hvac, hvac maintenance, repair heating system and heating maintenance

Oswego, IL
02-09-2018

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4 Star Rating
4TTR6042
replaced and installed 40 gallon state brand water heater

Oswego, IL
02-20-2018

4TTR6042
unclogged inducer motor tube, diagnostic, hvac maintenance, heating repair, heating maintenance and gas valve adjustment

Oswego, IL
02-23-2018

4TTR6042
diagnostic on a water heater

Oswego, IL
03-05-2018

4TTR6042
miscellaneous gas line/pipe work in kitchen

Oswego, IL
03-13-2018

4TTR6042
furnace maintenance, furnace repair, heating repair, diagnostic and hot surface igniter replacement

Oswego, IL
03-20-2018

4TTR6042
diagnostic and furnace cleaning, furnace maintenance and hvac repair

Oswego, IL
03-22-2018

4TTR6042
furnace tune-up

Oswego, IL
04-17-2018