(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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Chicagoland’s Indoor Environment Specialists Since 1927

At Doornbos Heating and Air Conditioning, Inc., our focus is on making your home or business as comfortable and efficient as possible. We are the indoor environment and energy solutions specialists for Chicago, Illinois as well as the surrounding areas including Oak Lawn, Orland Park, Tinley Park and Palos. Using our high-efficiency and Energy Star® rated HVAC and air filtration systems, you will use less energy, cut down on utility costs and live and work in comfortable interior spaces year-round. Our reputation is built on 85 years of consistent performance and satisfied customers and is backed by our Performance Guarantee.

Some Familiar Places With Doornbos Installations

News & Announcements

High utility bills? Stuffy rooms? Dusty house? It could be your ducts. Learn more about the benefits of duct sealing.

 

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Our Promise to You

We promise to maintain our long tradition of excellence by giving you our guarantees of professionalism in:

Service

100% Factory authorized, NATE and EPA certified technicians are ready to serve you 24 hours a day, every day.

Installation

Our quality standards are high and our installers adhere to an 85 year tradition of fine workmanship. We are proud of every job we do.

Technology

Our industry has come a long way since 1927, and we have been on top of it all the way. Our advanced technology in servicing, installing, fabricating and testing helps us bring you the best for your money.

People

Doornbos employees are knowledgeable, hardworking, good people focused on doing a superior job. We take pride in our work and the company’s reputation for customer satisfaction. Every Doornbos employee has ongoing continuous training to remain on top of our field. Our local training facility is larger than six football fields.

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