As an essential service provider, we remain open to serve you.

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.

Providing Comfort and Expert Service Since 1927

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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.

 

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We are taking extra precautions to protect you during this uncertain time.

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Need Cooling Service?

Gas Furnace Maintenance in Oak Lawn, IL 60453

“I had my 6 month furnace maintenance checkup done by your excellent technician Mike. Mike impressed me by his knowledge, expertise and thoroughness. Due to his diligence I feel confident that our furnace will be ready and operate as expected this coming winter. Thank you Doornbos for having such outstanding technicians as Mike” – James C.

Gas Furnace Maintenance in Oak Lawn, IL 60453

“Mike has been taking care of our furnace and A/C for years. He is always friendly, professional and efficient. We have always been pleased with service from Doornbos, but Mike really stands out for quality of service.”

– Carol V.


Gas Furnace Maintenance in Other, IL 60561

“Doornbos is the best. I’ve used several HVAC companies to service my two homes before switching to Doornbos. I’ve been a customer for about 9 years. Unlike the others, Doornbos always arrives on time, delivers great workmanship, cleans up, provides thorough diagnosis and always with a great attitude. I’ve used them for new installation and recommend their maintenance program, too. I completely trust Mike D., my technician. He’s very thorough, very technically competent, always correct on his diagnosis, has any necessary parts on his truck and glad to offer helpful homeowner type tips. Very friendly, yet professional. I hope he will continue to serve the Darien and Downers Grove area.”

– Mark S.

Gas Furnace Maintenance in Oak Lawn, IL 60453

“I had my 6 month furnace maintenance checkup done by your excellent technician Mike. Mike impressed me by his knowledge, expertise and thoroughness. Due to his diligence I feel confident that our furnace will be ready and operate as expected this coming winter. Thank you Doornbos for having such outstanding technicians as Mike”

– James C.

Gas Furnace Maintenance in Oak Lawn, IL 60453

“Mike has been taking care of our furnace and A/C for years. He is always friendly, professional and efficient. We have always been pleased with service from Doornbos, but Mike really stands out for quality of service.”

– Carol V.

Gas Furnace Maintenance in Other, IL 60561

“Doornbos is the best. I’ve used several HVAC companies to service my two homes before switching to Doornbos. I’ve been a customer for about 9 years. Unlike the others, Doornbos always arrives on time, delivers great workmanship, cleans up, provides thorough diagnosis and always with a great attitude. I’ve used them for new installation and recommend their maintenance program, too. I completely trust Mike D., my technician. He’s very thorough, very technically competent, always correct on his diagnosis, has any necessary parts on his truck and glad to offer helpful homeowner type tips. Very friendly, yet professional. I hope he will continue to serve the Darien and Downers Grove area.”

– Mark S.

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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, technology, installation, and people.

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SERVICE

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

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INSTALLATION

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

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

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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.

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How Does My Gas Furnace Work?

October 20, 2021

Our professionals want you to know how your gas furnace works so you can spot any potential problems with your home’s heating system.

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Reduce Energy Bills

Video – Do You Want to Reduce Your Energy Bills?

October 11, 2021

Upgrade your HVAC equipment to help you save money on your monthly energy bills.

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Furnace Maintenance

5 Reasons to Schedule a Fall Furnace Clean and Check

September 30, 2021

Long before the first night you’ll want to use it, you should have your furnace cleaned and checked by one of our professionals.

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WHY CHOOSE US?

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.

Our professionals are ready to help you.

Call Doornbos Heating and Air Conditioning today!