24 Hour Emergency Service Available (708) 499-HEAT (4328) or (708) 423-9580

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Quality Work … Since 1927!
  • “ Thank you and your staff for your help this holiday weekend! …your family installed my dad’s first furnace in 1955 & every one since. What a legacy! ”
    - Dorothy Flynn
  • “ You have an excellent team, Mr. Doornbos. ”
    - Jeanne Sencion
  • “ You and all the people we dealt with were really nice. If we can ever recommend your company to anyone, we certainly will. ”
    - Ray Szarzynski
  • “ I called Doornbos because my cousin said your company is honest and competent. He was right!! ”
    - Karen Darr
  • “ I have been dealing with Doornbos for over fifty years. Thank you. ”
    - Robert Ulatoski
  • “ It’s awfully nice to know there are still people like you out there when you need someone's help. ”
    - Dave Gaichas & Family
  • “ I told all of my co-workers to call Doornbos! They are the best! ”
    -Mr. & Mrs. Yodka
  • “ Doornbos always comes through and will always be my first choice in my heating and air conditioning needs. ”
    - Joe Kriss
  • “ Thank you for keeping the great service your company has been providing its grateful customers for nearly a century. ”
    - Bernice and Jim
  • “ I will always call your company for service. Thank you so much for an excellent job. ”
    - Mrs. W. Gragido
  • “ The service technicians that respond to our needs have been of great support and help to our skilled maintenance staff. ”
    - William Glotz, Maintenance Manager
  • “ I would like to commend Doornbos Heating and Air Conditioning for outstanding service and professional
    workmanship. ”

    - Don Dreher

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Commercial Heating & Air Conditioning Services for Chicago, IL & Surrounding Areas

Whether you need to install a sophisticated HVAC system with high-tech controls or a retrofitted system for a re-purposed commercial space, Doornbos has the area’s most experienced and certified team of technicians available. Our service team is on call 24 hours a day for commercial customers throughout the Chicago, IL area including commercial and municipal buildings, schools, churches and multi-residential properties. We specialize in:

  • High efficiency systems
  • Steam & water boilers
  • Heat pumps
  • Radiant systems
  • Gas and electric furnaces
  • Ventilation
  • Make up air systems
  • Snow melt systems
  • Computer room systems
  • Ductless systems

HVAC Systems Installation

Whether you need full or partial HVAC system replacement, the experts at Doorbos can deliver. We will install any type of heating, cooling system that you require in your commercial building. We also install high-efficiency and sustainable comfort systems designed to be the most cost-effective on the market and geared to our climate and your particular property.

We specialize in retrofitting older buildings with new high-efficiency heating, cooling and air filtration systems. We will also install the systems in your new building from the ground up.

HVAC Systems Maintenance and Operations

As a building’s facility manager, you are responsible for the proper standard of care for its occupants. Aside from the health and wellness of the employees or tenants in your building, how can you go wrong with lower utility costs and extended life on your HVAC equipment?

We provide full-service HVAC maintenance, with dedicated staff to ensure ongoing system maintenance, warranty compliance and quick repair. Our commercial systems maintenance programs can keep your building operating costs low and ensure you get the most from this asset.

Advanced Technology and Efficiency

You can get up to 30% energy savings with new HVAC systems. Contact us today about the latest high efficiency technology for your particular needs. Ask us how you can upgrade your building’s HVAC system.

View testimonials from our commercial customers.

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