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.