Top Rated HVAC Company – Heating, Cooling and Indoor Air Quality

Need A New Home Comfort System? Call On the Mark Heating and Air today!

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Rated highly for: Value, Quality, Punctuality, Responsiveness

Very Professional, Honest and upfront about everything. Will get the job done and show up when they're supposed to. Highly recommend and I have been dealing with contractors for 30 years.
Marguerite Desio, Google Review
On the Mark lives up to its name. Mark knows his profession and is thorough with detail and explanation. He is responsive, timely and fair in addressing current issues and preventing new ones. His strong work ethic and integrity shine through an easy-going style.
Mark Pfefferman, Google Review
Great company and great service. Mark was on time and called when he was in his way to confirm. He was very easy to work with and took the time to explain what he was going to do before working on my furnace
Chris Veneris, Google Review
Mark and Eric installed my new furnace and A/C system with humidifier and air cleaner. All done in a matter of hours. I went out for the evening, came home and what a difference!
Diane Falk, Google Review
I needed my furnace serviced. Mark was excellent at listening to my description of the issue. He explained different parts and operations of the furnace in terms which I could understand.
Barbara Fiedor, Google Review
Mark is the Best. I put my trust in his expertise and have never been disappointed.
Ronald Soifer, Google Review
Mark is the man. He installed a new furnace, a/c unit, and hot water heater in two days notice due to a failed unit in the midst of winter.
Mitch Stech, Google Review

We Excel at Customer Service

  • Customer Satisfaction Guarantee
    We’ve earned a reputation for doing the job right the first time.
  • Top Rated Technicians
    Our techs are NATE certified, and are trained on a regular, on-going basis.
  • We Respect Your Home
    We always leave your home clean & tidy.
  • Family Owned & Operated
    We believe treating everyone like family was the right and responsible way to run the business.
  • On Time Guarantee
    We show up on time so you don’t have to worry.
  • Honest & Upfront Pricing
    You’ll know how much your project will cost before you agree to anything.

Exceptional Heating & Air Conditioning Services

On the Mark Heating & Air is the heating and cooling company to call when you want fast, friendly, skilled service. We offer a complete line of heating, cooling, water heater, and air quality control services.

Our technicians are simply the best. They are highly-trained, certified, and they participate in continuing education classes frequently. They will arrive on time, keep your home clean, and communicate clearly with you throughout the service process. 

We value honesty and integrity more than anything else! We’ll always give you an estimate for services, then follow through on what we promise. Before you know it, we’ll have you comfortable again and you won’t have to worry about heating or cooling anymore! Call to make your appointment today!

Highly Recommended HVAC Company in Hoffman Estates – We’re Ready to Help!

Call Us Today!

(847) 630-9562

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