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...Since 1927!


When it comes to heating and cooling, no one in the Chicago area is more knowledgeable and experienced than our Doornbos Heating and Air Conditioning team. We have been specializing in this since 1927. Your comfort and satisfaction are at the heart of all we do for you.


Our professionals provide complete care for your heating and cooling system. Whether it’s a repair or maintenance, we will do all we can to be sure your system is working at its highest efficiency for you. Whatever your needs may be, we are always available to help.


Improve comfort, improve system performance, reduce dust, and lower your energy bills. Doornbos will help you get the most out of your heating and cooling system. Contact one of our trusted service representatives to receive the help that you need today.

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Over 90 years ago, Fred Doornbos started his heating business. Fred’s philosophy was to do only quality work and the referrals would eventually keep him busy. Fred was right. One job led to another, and today our reputation for quality work continues, as does our philosophy. At Doornbos, it is all about quality workmanship.

We uphold the old-fashioned values which have built lifelong and multigenerational relationships with our customers. At Doornbos, we recognize that honesty, integrity, and personalized attention are as important as expert workmanship and unmatched products.

Our professional standards ensure quality results on every project Doornbos performs. Doornbos guarantees satisfaction.




Matt W.

March 12, 2024

Just plain awesome in every way, from start to finish the professionalism, honesty and quality of care was top notch. I couldn’t be happier with my investment and the professional installation was the best of my life as a homeowner. I carefully researched companies and am completely satisfied with Doornbos performance and will use them again!

Ellie J.

March 12, 2024

Our Carrier Air Conditioner was 25 Years old. We needed a replacement. The guys installed a new Carrier today. We are so happy with it. Both of the workers were just fantastic. They installed everything and cleaned up afterwards. Thank you Tony and his partner repairman for your hard work. They couldn't have been nicer. Also, thank you to Julie and Anthony P. Great job by all. Highly recommended.

Jack J.

March 7, 2024

Anthony was our serviceman today. He took time to explain to my son the entire operation. Explained what he was doing and how things worked and what may be ready to change out in the fall. He checked to make sure the baseboards were functioning accurately and explained how to check them during the season. I can’t say enough about his customer service.
You are so fortunate to have Anthony on your team. Thanks Again.


We promise to maintain our long tradition of excellence by giving you our guarantees of professionalism in service, technology, installation, and people.


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


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


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, and testing helps us bring you the best for your money.


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 and every employee receives ongoing continuous training.

Smiling Electrician With White Cable Coil

4 Important Heat Pump Maintenance Tips

February 28, 2024

The leading cause of dryer fires is the failure to clean the appliance, according to the National Fire Protection Association (NFPA). The organization says failure to clean sparked 32 percent of dryer fires annually from 2014 to 2018 in the U.S.

Woman at kitchen table with laptop doing bills.

2024 HVAC Tax Credits Help You Upgrade Your Comfort and Save!

February 22, 2024

Investing in a high-efficiency heating, ventilation, and air conditioning (HVAC) system for your Orland Park home is not only about improving your comfort and lowering your energy bills—it is also a smart financial decision.


When you choose to work with Doornbos Heating and Air Conditioning, you are choosing a company who has your comfort needs at the center of all we do—since 1927. Each and every member of our team continually strives to bring you the best. As one of the oldest local businesses in the Chicago area, you can be sure we will be here to stand behind the quality and integrity of the job performance in the years to come.

Our capable team holds industry top training, certifications, and affiliations, and we only recommend the highest-quality, leading-brand, and proven equipment. At Doornbos, we are here to support you in all your heating and cooling needs. That is why we offer emergency service, 24/7, with an actual person answering the phone. Over our long and well-established history, we have always put you first. Your satisfaction and comfort our top priorities.

carrier color

Our professionals are ready to help you.