Air Conditioning Installation & Replacement Services

Your Crystal Lake, Illinois AC Experts are a Call Away

Air Conditioning Installation and Replacement ServicesNear Crystal Lake, IL

  • Serving Crystal Lake Since 1986
  • We Work With All Makes And Models
  • 24/7 Emergency Service
  • NATE-Certified Technicians
  • Award-Winning HVAC Service

Specializing in residential and commercial air conditioning installation, Harmonic Heating & Air Conditioning is dedicated to keeping your home or commercial space in Northern Illinois cool and comfortable all year round.

No job is too big or small, and we aim to deliver complete customer satisfaction on every project we undertake. Whether you’re looking for an AC installation in a new space or you need replacement services for your aging cooling system, Harmonic Heating & Air Conditioning can help. We also offer a wide selection of air conditioner models at affordable prices to meet your specific needs.

Armstrong Air AC

Armstong Air HVAC
Harmonic is your local air conditioner replacement expert!
Schedule your AC estimate with Harmonic today.
AC installation services are just a call or click away.

Our Featured Armstrong AC Units


Armstrong Air AC

20+ SEER2 Models

Up to 19 SEER2 for premium energy savings with premium comfort features
  • Up to 21.5 SEER2 Cooling
  • Pro Series™ Systems
  • ENERGY STAR® Most Efficient
  • Comfort Sync® A3 Ultra-Smart Thermostat Compatible
  • True Variable-Capacity Cooling
  • Premium Energy Savings
Armstrong Air AC

+16 SEER Efficiency Models

High-Efficiency Two-Stage Air Conditioner
  • Up to 16 SEER Cooling
  • ENERGY STAR® Certified
  • Two-Stage Scroll Compressor
  • Comfort Sync® A3 Thermostat
  • Pro Series™ Systems
  • Integrated Compressor Protection
Armstrong Air AC

14 SEER Models

Single-Stage Air Conditioners
  • Up to 14 SEER Efficiency Rating*
  • Anti-Microbial Protection
  • Single-Stage Scroll Compressor
  • Heavy-Duty Compressor Blanket
  • Integrated Compressor Protection
  • Moderate Energy Savings

Our Installation Process

Our Installation Process
Harmonic is your local air conditioner installation expert!
Schedule your AC replacement with Harmonic today.
AC services are just a call or click away.

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

Our HVAC pros at Harmonic Heating & Air Conditioning are proud to be McHenry County’s trusted local experts in AC installation and replacement services. When you work with Harmonic Heating & Air Conditioning, you can always count on friendly, dependable service — our trained service technicians will sit down with you to discuss your needs and help you find the best air conditioning system for your budget.

We pride ourselves on working hard to ensure not only affordability but quality and complete customer satisfaction as well. So whether you need air conditioning installation for a small home or an entire office building, our highly trained and experienced contractors will provide the speedy, high-quality service you can depend on.

Contact Our Team

Air Conditioning Repair

If your air conditioner has stopped performing properly, our talented HVAC team at Harmonic Heating & Air Conditioning provides excellent air conditioning repairs at a reasonable price. Our technicians are fully licensed, insured, and prepared to restore your equipment to optimal performance. We're a full-service HVAC company serving residential and commercial property owners in the Crystal Lake area, and air conditioning repairs happen to be one of our specialties.

Our staff will extend every effort to ensure your complete satisfaction. As our customer, you'll benefit from our:

  • Friendly, efficient office staff and crew
  • Premium-quality parts, materials, and workmanship
  • Prompt and efficient project completion
  • Policy of being available 24/7

At Harmonic Heating & Air Conditioning, we aspire to accommodate every HVAC need of our neighbors in Crystal Lake and the surrounding communities. In our years of industry experience and service, our broad range of skills and many years of industry experience have already gained the trust of many of our neighbors, and we take personal pride in each and every job done well. Call our office or contact us online to schedule air conditioning repairs or an on-site estimate with our HVAC contractor today.

Explore AC Repair Services
Harmonic Heating & Air Conditioning Service Area

Proudly Providing
Service Near You

Cook   DuPage   Kane   Lake   McHenry

Harmonic Heating & Air Conditioning is at Your Service in McHenry County

Our trained service technicians are happy to sit down with you to discuss your cooling needs and help you find the best air conditioning solutions for your space and budget.

We pride ourselves on working hard to ensure affordability, quality, and complete customer satisfaction. And when you hire us for branded air conditioning replacement, you'll benefit from our vast selection of top models.

Whether you need branded air conditioning replacement for a single unit or an entire office building, our highly trained and experienced contractors can provide the speedy, high-quality service you deserve. Call us today for more information or to schedule an estimate.

Harmonic is your local air conditioner installation expert!
Schedule your AC replacement with Harmonic today.
        

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