AC, Heating, Water Heaters & More

Crystal Lake's HVAC Experts are a Call Away

Get your new AC installation estimate

New Furnace Install
As low as $52/mo

Contact Us
Call Harmonic HVAC for your services.
Call Harmonic HVAC for your services.

Humidifiers are a way to create a "Smarter, Healthier, more Efficient" home by Harmonic.

Customize your Home with Harmonic Heating & Air Conditioning.

Call Harmonic HVAC for your services.

Rock*Star Maintenance Plans

Our annual maintenance programs at Harmonic Heating & Air Conditioning provide a Smarter, Healthier, more Efficient home by providing the best heating and cooling systems on the planet.

General
Admission

$19 Per Month

$228 Annually

Best Value
V.I.P.

$29/mo or $348 Annually

$456 Annually

Heat Pumps, Mini-Splits & Garage Heaters

Save Today with Rebates & Tax Credits
Armstrong Air Heat Pump

Armstrong Air
Central Heat Pumps

Central heat pumps provide year-round comfort by heating in the winter and cooling in the summer.

Why Change from AC to Heap Pump?
Mitsubishi Ductless Heat Pump

Mitsubishi
Ductless Mini-Splits

Ductless mini-splits provide true comfort control with precise zoning and ultra high-efficiency models.

Armstrong Air Heat Pump

Reznor
Garage Heaters

Reznor garage heaters make it so you can utilize your workshop or garage space all year long.

Harmonic Heating & Air Conditioning Service Area

Proudly Providing
Service Near You

Cook   DuPage   Kane   Lake   McHenry

Air Conditioner Services

Specializing in residential air conditioning installation, Harmonic Heating & Air Conditioning is dedicated to keeping our customers in the Naperville and Plainfield region nice and cool.

Book AC Services

Heating Services

Mitsubishi Electric brings unmatched energy efficiency, performance and control to home cooling and heating. It’s never been easier to keep your house comfortable, without spending a fortune on your energy bills.

Book Heating Services

Our Installation Process

Our Installation Process
        

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