Harmonic IS OPEN to best serve our community!

Call for In-Home Service or Virtual Service Appointments

Schedule a "Virtual Service Call"

By phone of video chat. Call or Contact Us to Schedule Now

To HELP you SAVE NOW - We're offering 6 months Same as Cash

Same as Cash - No Interest - No Payments for 6 Months

Offer for any invoice/project OVER $1000.
(Not valid with any other offers or coupons. Offer will Expire June 30, 2020.)

Call for Details!

We Customize Your Comfort - Making your home Smarter, Healthier, and more Efficient.
services we offer




Schedule a FREE Home Comfort Assessment





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 Current Specials

Install a new BASIC A/C & Furnace System COMBO

for only $81-$106/Mo

Install a GOLD High-Efficient A/C & Furnace System COMBO

for only $118-$155/Mo

Take $25 OFF

Any regular priced service, or product installation. (Not valid with any other offers or coupons. Limited time offer.)

Book Now!

Install a new BASIC Hot Water Heater

for LESS THAN $14/Mo

Install a new High-Efficient Hot Water Heater

for LESS THAN $25/Mo

Install a "Energy Star Rated" TANKLESS Hot Water Heater

(Sized for 3 bathroom home) for LESS THAN $70/Mo

Book Now!



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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Flat Rate Pricing Guarantee

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Get Your Free Estimate Today

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Harmonic Heating & Air Conditioningstarstarstarstarstar4.9 / 5

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




Financing with SERVICE FINANCE Company 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

176 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!