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- New Equipment
- Heating
- Cooling
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- Duct Sealing
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“Wonderful quick response when our humidifier wasn’t working. Just a small wire had come disconnected. They replaced the connector base with a new one with no charge! Thanks, Official”
Cam F– Google Review

Your Home Heating and Cooling Experts!

Official Heating & Cooling Services Northern Illinois

Official Heating & Cooling services the following counties in Northern Illinois:

McHenry
Lake
Kane
Dupage
Cook

Naperville Location

HarmonicHVAC.com
info@harmonichvac.com
Phone 630-999-9008

Call Today

815-220-5125

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Monday: 8:00am – 5:00pm
Tuesday: 8:00am – 5:00pm
Wednesday: 8:00am – 5:00pm
Thursday: 8:00am – 5:00pm
Friday: 8:00am – 5:00pm
Saturday & Sunday: Closed Emergency Service ONLY (Additional fees may apply.)

Call about our RockStar Maintenance Programs to eliminate emergency service, diagnostic and overtime charges, receive discounts on product, accrue credit toward system replacement, receive a lifetime thermostat warranty, and more.

About
Cooling
Heating
Plumbing
Duct Cleaning
- Duct Cleaning
- Duct Sealing (Aeroseal)
Air Quality
Rock Star Program
Specials
HVAC Financing
Contact

We repair and service all furnace, heater and air conditioning makes and models including Whirlpool, Heil, Singer, Janitrol, Bryant, Goodman, Johnson, Armstrong, American Standard, Rheem, Rudd, GE, General Electric, Amana, Arcoaire, Bard, Carrier, Coleman, Fedders, Tempstar, Trane, York and Payne. We can also provide replacement parts for most furnaces with a bad or cracked heat exchanger as well as any air conditioner with a locked up or burned out compressor. Ask about a FREE second opinion on cracked heat exchangers or defective compressors. Certified Aeroseal Duct Cleaning and Sealing for Illinois.

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Service Information

Official Heating & Cooling Services Northern Illinois

Official Heating & Cooling services the following counties in Northern Illinois: