Heating | Furnace | 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

Furnace repair

It’s important to make sure that your furnace is properly maintained and prepared for winter. When the winter chill arrives, don’t be left in the cold with a furnace that refuses to ignite. Trust Markgraf's Heating & Air Conditioning to provide preventative care for your heating unit.

Trust in affordable options to keep warm this winter

Nothing is worse than waking up on a cold morning only to find out there is no hot water. Chicagoland winters are notorious for cold. Avoid costly replacement with an annual well-check and see how functional your system is before the cold arrives.

Don’t succumb to an ice cold shower

Your HVAC specialist will properly diagnose any unit to help keep your home warm.

Service your residential heating units before the first cold breeze

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


24/7 emergency service


1-year labor warranty on all Carrier residential furnace and air conditioning installations

  • FREE initial estimates available

  • Our technician will diagnose and treat the issue fast

  • Repair can be completed on any make or model

  • Count on fast and efficient replacement with in-house stock of brand-name appliances

Heating Repair

Heating Service and Installation

Preventative Maintenance


-Boiler Repair - Installation and Tune-up


-Furnace Repair - Installation and Tune-up

Ductless HVAC Systems

Heat Pumps

Radiant Heating Systems


Zone Control Systems

Garage Heaters

Call today for all your heating needs

Nest thermostat red coupon