Geothermal Energy | Heating | Lake Zurich, IL


We are monitoring the news regarding the pandemic and taking additional sanitary precautions to protect the health and safety of our customers and Markgraf staff members. Our office remains open, our technicians are available and we have staff to answer your call.  Please contact us with any questions you may have.

Our customers' safety and satisfaction remain a priority during this time.

Serving the Chicagoland Area | 847-438-0032

Markgraf's Heating & Air Conditioning-Logo

Trusted and recommended for over 45 years.

24 hour emergency service

785 Oakwood Rd. Lake Zurich, IL 60047


Geothermal heating systems are your source for a modern heating technology. You can see reduced electrical consumption of up to 50%*, saving you money. These units are also quiet, durable, and generally smaller than traditional heating and cooling units. While the installation process can be challenging in some areas, the benefits of geothermal heating are clear. Considering geothermal power? Markgraf's Heating & Air Conditioning is ready to serve you!


*Please consult for more information.

Reap the benefits of Geothermal energy

When considering geothermal energy for your home, trust an expert like Markgraf's Heating & Air Conditioning to make certain that you're choosing the right system and loop for your home or business. We'll take into account the unique geology, hydrology, and space availability to determine the right equipment for your needs so you can start enjoying the benefits of geothermal energy without delay!

Trust an expert for your geothermal needs

Discover the cost-saving efficiency of Geothermal heating and see how Markgraf's Heating & Air Conditioning can cool - off your high energy bills!

Warm up to a new heat source

Call today and take advantage of our huge in-house stock! Wall-to-wall brand names available!


Senior and military discounts available