24 Hour Emergency Services Available

Request A Free Estimate for New Equipment

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.

About Us

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.

About McHenry Heating & Air Conditioning

Serving McHenry and Crystal Lake for Over 15 Years

McHenry Heating & Air Conditioning's mission is to be the most trusted heating & air conditioning company in our area. This is accomplished by providing the highest quality service and installation of all HVAC and Indoor Air Quality products to our customers.

McHenry Heating & Air Conditioning, a family owned & operated business, providing expert service, sales, repairs and installations to residential, new construction and light commercial markets.

We do everything to insure you enjoy worry-free comfort in your home or business. Don't forget to meet our great HVAC team!


Our Expert Service and Products Include:

  • 24/7 Emergency Service
  • Gas forced air furnaces
  • Central air conditioners
  • Electric furnaces
  • Hot water boilers
  • Steam boilers
  • Radiant heat
  • Ventilation
  • Exhaust fans
  • Attic fans
  • Custom sheet metal
  • Pool heaters
  • Pool room dehumidification units
  • Air cleaners
  • UV lights
  • Humidifiers
  • Zoning
  • rRoftop units
  • Low intensity heaters
  • Wall heaters
  • Garage heaters
  • Tankless water heaters,
  • Packaged air conditioners,
  • Preventive maintenance programs
  • Tune-ups
  • Energy saving thermostats

Choose a Heating and Air Conditioning Contractor You Can Trust!

We are Waiting 24/7 to Handle All of Your Questions and Service Needs

Call Us 24/7 Today at 815-444-9900

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Better Business Bureau

Energy Star

Nate - North American Technician Excellence

Trane - Comfort Specialist

Trane