C V.
1/29/2022
Furnace was blowing cold in the middle of winter. My regular HVAC service people said soonest they could come was 3 days away. Called Markgraf on a whim to see if they could come sooner. Got...
Lake Zurich Radiator & Air Conditioning Service Inc.
Closed
(13)
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Lake Zurich, IL 60047
At Markgraf’s Heating & Air Conditioning, we pride ourselves on exceptional service that meets all of your seasonal needs. Step into comfort as we regulate and maintain your entire HVAC system and ensure you’re in the healthiest environment with quality air. You can always count on our exceptional service — complete with FREE estimates, senior and military discounts, and an extensive in-house stock of products.
Reviews
4.513 reviewsJerry V.
4/28/2025
Quality of Service - Markgraf Heating and Cooling continues to impress me. I have been using them for years. Most recently, a team of Dominic and Oliver expertly installed a new Carrier furnace....
Barton V.
11/26/2024
Have used Markgraf for years. Agree with other review that they will find hundreds of dollars of other issues (despite the fact they installed the original HVAC system). Service is poor. Don't...
Katy T.
8/6/2024
I would give a 0 if I could. I have used Markgraf's off and on over the past 10 yrs, and just about every time they show up, they find 100s of dollars of problems. This last time, was the final...
Cindy L.
7/25/2022
Have used them for years. They deliver what they promised each and every time. They stand behind their work and have helped us in emergancy situations. I would not use any one else. Bob JR. Linda...
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