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24 Hour Emergency Services Available 815.444.9900 Serving McHenry County, Lake County & Surrounding Areas

We're Not Your Average Company

You can trust us to go above and beyond to meet your heating & air conditioning needs.

We Do It All

We can service and replace all makes and models of furnaces, boilers, air conditioners, heat pumps, air cleaners and more!

We Have a Loyal Customer Base

"Everything exceeded our expectations!" Past customers are pleased with McHenry Heating and Air Conditioning and continue to work with us.

HVAC, Heating & AC in Crystal Lake & McHenry

Serving Crystal Lake & Surrounding Areas

McHenry Heating & Air Conditioning is the leading air conditioner and furnace installation company in northeastern Illinois. We maintain, repair, and replace current heating and air conditioning systems, whether it is broken beyond repair or you just are ready to replace your old appliances. You are sure to find what you need in our huge selection of products. We also offer competitive financing options with approved credit.

New Installations, Maintenance & Repair Services

McHenry Heating & Air Conditioning knows that furnaces and air conditioners work--and quit working--on their own schedule. This can mean breakdowns at the most inopportune times. We offer 24/7, same day repair and replacement service. We have technicians on call at all times for your convenience.

We offer a variety of services, which include:

McHenry Heating & Air Conditioning employs licensed technicians with skill and experience servicing all makes and models of furnaces, boilers, air conditioners, heat pumps, air cleaners, air filtration systems, hot water heaters, generators, and radiant heat.

What Can You Expect?

When you choose McHenry Heating & Air Conditioning, you can be confident that any HVAC issues will be resolved quickly and efficiently. Our technicians have years of hands-on experience troubleshooting HVAC systems and are a great resource for any question you have about air conditioners, furnaces, boilers, gas lines, and more. We have built up a reputation for excellence in customer service from both our residential and commercial clients, and are on call 24/7 for emergency service. We’re here whenever you need us.

For more information about all of our services, contact our office at (815) 444-9900.

Why Choose Us?

  • A+ BBB Rating
  • Competitive Pricing
  • Customer Service Driven
  • Over 18 Years in Business
  • Family Owned & Operated
  • Licensed, Bonded & Insured
  • Member of All Local Chambers
  • Strong Local Community Involvement

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