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We Customize Your Comfort - Making your home Smarter, Healthier, and more Efficient.
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Thanks for your Love "Friends". You've helped Harmonic win an award.

Harmonic Heating & Air Conditioning are proud winner of the People Love Us On Yelp Award!


We take great pride in serving our friends and family in the Aurora, Oswego, Naperville and surrounding areas. We believe that we install the best furnace and air conditioning equipment available, and provide the greatest value to our customers.




Our team is on time or early - Guaranteed

THE "AT YOUR DOOR" GUARANTEE

Don’t Waste Your Day Waiting For A Four Hour “Window”. Schedule Your Guaranteed Appointment Online.

If We Aren’t On Time Or Early, We’ll Give You A $25 Amazon Gift Card.

One Of The Little Things That Make A BIG Difference At Harmonic Heating & Air Conditioning.

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Harmonic Heating & Air Conditioningstarstarstarstarstar4.9 / 5

153 Total Reviews Harmonic Heating & Air Conditioning630-999-9008$10S187 Schoger Dr Suite #54, Naperville IL




Financing with Payzer is Available

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WHAT YOU CAN EXPECT

  • We listen when you call and make an appointment.
  • We arrive on time.
  • We provide up front pricing so that you are never surprised.
  • We carry out all transactions with honesty and integrity.
  • We guarantee all our work and stand behind all warranties.
  • We happily address any needs you have to make your home or business comfortable.

We are now a certified Armstrong Air Comfort Team

Harmonic Heating & Air Conditioningstarstarstarstarstar4.9 / 5

153 Total Reviews Harmonic Heating & Air Conditioning630-999-9008$10S187 Schoger Dr Suite #54, Naperville IL



Harmonic provides expert heating, a/c and air quality system services in Aurora, Naperville, Montgomery, Oswego, Wheaton & More!