Testimonials Articles

Air Conditioner Installation in Orland Park, IL, IL 60467

September 29, 2022

“Great experience with everyone involved in the process!” – BILL T.

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Gas Furnace Replacement in Palos Heights, IL, IL 60463

September 28, 2022

“I have been a customer of Doornbos for many years. Recently I had them remove & replace my entire 20 year old HVAC system. As usual their product & service was first class.” – Charles D.

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Gas Furnace Installation in Chicago, IL 60638

September 9, 2022

“We had a new Carrier HVAC system installed in our home Sep. 2022 (We also had a system installed in 2019 for a different level of the residence). The job was done in one day and the installers Nick and Javier did an excellent job. They worked quietly, efficiently and cleaned up extremely well. We…

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Air Conditioner Repair in Palos Heights, IL, 60463

August 29, 2022

“Kyle came today. Figured out the problem immediately and repaired it. He was very knowledgeable and gave us good advice for the future. Will request Kyle for any further services from Doornbos. Thanks” – John D.

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Air Conditioner Repair in Palos Heights, IL, 60463

August 29, 2022

“Hello, Doornbos Company. Just a note to praise your employee Kyle, who came to out home and corrected an AC drainage and capacitor issue with a thoroughness and professionalism we respect in your company. Thank. – John D.

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Air Conditioner Installation in Tinley Park, IL, IL 60477

August 13, 2022

“Jamie and Nick did a fantastic job. They were very professional and knew what they were doing. We installed new furnaces and air conditioning units. They used the information in the installation manuals when they were taking their readings and had to make adjustments from the factory settings so the units would perform properly for…

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Air Conditioner Maintenance in Oak Lawn, IL 60453

July 26, 2022

“We have been with Doornbos for at least 30yrs or more. We have had the best service! Today we had yearly maintence on our air conditioner. We had Juan Garcia do the service. He was very polite, and knew what he was doing! He did an excellent job! We always recommend Doornbos to neighbors and…

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Air Conditioner Repair in Palos Heights, IL, 60463

June 15, 2022

“If you are working with any other heating and and air conditioning company you are making a mistake. I have been with them 30 years and the level of service is always the best. Hottest day in 10 years my AC has an issue. They are at my house in 3 hours. Joyce in the…

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Air Conditioner Repair in Burbank, IL 60459

May 27, 2022

“My air conditioning conked out on the first hot day of the year. Even though Doornbos was swamped with service calls because of the sudden onset of the heatwave Joyce who answered the phone was very friendly and understanding of my situation. As soon as was possible a technician was sent to my house. Dan…

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Air Conditioner Replacement in Chicago, IL 60628

May 24, 2022

“I recently needed to have my central air conditioning replaced and immediately called Doornbos. I also called and got other estimates but ultimately decided to go with Doornbos. This decision was made because of previous contact and the professional services provided. Doornbos installed and maintenance to my furnace. Doornbos has always been response to request…

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Air Conditioner Installation in Crestwood, IL 60418

May 23, 2022

“The technicians were so polite and friendly. They explained everything they were doing and of course I didn’t understand anything they said lol. But everything is work well b” – JoEllyn G.

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Gas Furnace Repair in Oak Lawn, IL, 60453-5660

April 4, 2022

“My furnace started to run loud so I contacted Doornbos. They scheduled an appointment right away and the tech Kyle was fantastic. He explained the issue and fixed the problem. I was so happy with the service I have signed up for annual maintenance with Doornbos for my furnace and AC. Would definitely recommend Doornbos…

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Gas Furnace Replacement in Palos Heights, IL, 60463

February 23, 2022

“We've had Doornbos service our 2 furnaces for many years so when it came time for new furnaces Doornbos was our choice. From the initial call for the estimate to the installation of both furnaces and air conditioners the staff were professional and answered my questions. Phone Representative was courteous and helpful, salesperson was very…

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Gas Furnace Installation in Burbank, IL 60459

February 12, 2022

“Installers were very professional.” – Sharon K.

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Gas Furnace Installation in Oak Lawn, IL, IL 60456

January 12, 2022

“I had a furnace and gas heater installed at the same time. The team that handled the installation did a great job. They explained everything and cleaned up perfectly.” – Pat O.

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Gas Furnace Installation in Oak Lawn, IL, IL 60453

January 12, 2022

“Great shop with amazing crew. Couldn’t be happier with the quality of the equipment and install. Highly recommend Doornbos” – CHRIS B.

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Gas Furnace Installation in Orland Park, IL, 60462

November 17, 2021

“Nick and Andy installed our new Carrier furnace yesterday. They also hauled away our 44 year old original behemoth. As you may expect, the installation required a fair amount of modification of the ductwork. The new furnace looks and works great. Nick and Andy were professional, efficient, and friendly. They took great care in maintaining…

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Air Conditioner Installation in Evergreen Park, IL 60805

November 16, 2021

“Great Job” – Derrick B.

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Gas Furnace Maintenance in Oak Lawn, IL 60453

October 15, 2021

“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…

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Gas Furnace Maintenance in Oak Lawn, IL 60453

October 14, 2021

“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.

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Gas Furnace Maintenance in Other, IL 60561

October 13, 2021

“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…

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Gas Furnace Maintenance in Oak Lawn, IL 60453

October 13, 2021

“Excellent service provided by Mike who has been servicing this home for at least 10 years. He arrived at specified time and completed work in a timely manner. Provided me with a complete explanation of service provided. Making the appointment done with ease. Office staff always friendly and helpful.” – Debbie N.

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Gas Furnace Maintenance in Other, IL 60480

October 8, 2021

“Mike is very dependable and efficient. He is always friendly but professional. We appreciate how he takes the time to explain any questions we have.” – Regina M.

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Gas Furnace Maintenance in Oak Lawn, IL 60453

October 5, 2021

“Great job by Mike, as always.” – Dan R.

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Gas Furnace Maintenance in Palos Heights, IL 60418

October 4, 2021

“As ALWAYS my experience with your service team member Mike was EXCELLENT! His knowledge is superb. But most of all is courtesy,and politeness is greatly appreciated. He is truly a pleasure doing business with. We always request him and think of him as a friend. He has never steered us wrong, always truthful about our…

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Gas Furnace Maintenance in Other, IL 60525

October 1, 2021

“Mike is wonderful. Always on time. Very efficient and very neat. He is a great employee for Doornbos. They should be very proud of him. He is a great representative for their company. He explains everything he has done, and what should be done to keep our furnace/AC in top running order. Thanks so much…

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Gas Furnace Maintenance in Other, IL 60526

September 30, 2021

“Mike Donahoo was and has been our service technician for all semi-annual checks except one. In fact, he is the person that came by to show us the types of HVAC systems available when we bought ours from Doornbos. He is always very friendly, knowledgeable and efficient. This time, he checked our furnace, cleaned it…

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Gas Furnace Maintenance in Oak Lawn, IL 60453

September 28, 2021

“I have been using Doornbos for years to maintain and service my furnace to an air conditioning system. They always provided fast, friendly and reliable service. There service tech Mike has been to my house multiple times over the years he always provides great customer service.” – Steve G.

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Gas Furnace Maintenance in Other, IL 60418

September 26, 2021

“Mike is a very valuable asset to your company. He has wonderful personality and he does his job well. When I need service, I always ask for Mike. Nobody else can fill his shoes. He is fantastic and the pride he takes in his job is truly awesome…….. Rita” – Rita L.

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Air Conditioner Maintenance in Palo Park, IL 60464-1299

September 20, 2021

“I have been a contractual-customer of Doornbos for over 17 years. I request Mike for the annual air-conditioning and furnace annual check-ups. Mike is a friendly, knowledgeable, and very professional person. He is an important asset to the company's reputation and competence.” – Fr. Francis S. T.

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Gas Furnace Replacement in Other, IL 60534

September 17, 2021

“Fair price for replacement of the entire furnace and air conditioner. Salesman made it sound simple but it wasn’t going to be. Thankfully the installers were great and willing to work with me on solutions to complications that came up. Better ideas than the manager they had come and look at the problems. It took…

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Indoor Air Quality Installation in Palos Heights, IL 60463

September 17, 2021

“Mike is on time, professional and a great technician. I purchased my new AC/Furnace in 2020, and now my air purifier. I value his expertise and recommend him 100%.” – Jan C.

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Air Conditioner Installation in Other, IL 60465

September 15, 2021

“Very pleased from start to finish!” – Judy H.

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Air Conditioner Repair in Chicago, IL 60655

September 14, 2021

“Mike was a very nice friendly knowledgeable experienced service provider and will be happy do use your company when I have a problem” – Gesell B.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

September 13, 2021

“Your service technician Mike, has been servicing our HVAC system for years. He's very polite and professional. Does a great job. Five stars for Mike!!!” – Carol F.

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Air Conditioner Installation in New Lenox, IL 60451

September 13, 2021

“I’ve been using Doornbos for some time. The install was very professional as always.” – Jim H.

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SpacePak Maintenance in Chicago, IL 60643

August 31, 2021

“Mike was very professional and thorough in taking care of my A/C problem. He took time to explain what he was doing and how he was going to fix the problem. I’ll be using Doornbos in the future based on my experience with Mike.” – Dave C.

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Air Conditioner Repair in Chicago, IL 60643

August 27, 2021

“Kyle went the extra mile. Just great.” – Susan K.

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Air Conditioner Repair in Chicago, IL 60655

August 25, 2021

“Kyle serviced our AC quickly and efficiently. The problem was immediately identified and repaired.” – Robert H.

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Air Conditioner Repair in Chicago, IL 60643

August 24, 2021

“Thank you- Emergency Repair service requested Saturday evening. Service personnel- George arrived a little over an hour after our call and promptly and professionally diagnosed the problem- a failed capacitor on our compressor. He replaced the capacitor and service was restored. Excellent handling of our service request . Highly recommended organization and staff. Thanks again”…

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 23, 2021

“Mike has been our service specialist for almost 10 years. He is polite and knowledgeable. Always very professional and through. We feel confident when Mike has finished a service call. You are very fortunate to have Mike as an employee. Sincerely, Cyril and Denise Greenan” – Denise G.

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Air Conditioner Replacement in Chicago, IL 60643

August 23, 2021

“Mike was professional and courteous. He was fair and honest with his assessment of what needed to be on our AC.” – Laurie F.

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Air Conditioner Maintenance in Other, IL 60805-3527

August 23, 2021

“George was great. Friendly, efficient and informative.” – Donna Q.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 18, 2021

“Mike is very professional and did a great job as always.” – William G.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 16, 2021

“Mike has been servicing our HVAC equipment for about 5 years. He has always done an excellent job. I am always confident that he’s going to do it right. He’s a pleasure to deal with and represents your company well.” – Michael N.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 16, 2021

“Mike has been servicing my heating and air conditioning for years. He has always been extremely professional. He is knowledgeable, efficient, polite, friendly, and an asset to your company.” – louise d.

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Air Conditioner Repair in Palo Park, IL 60464

August 13, 2021

“On 8/12, we discovered that our air conditioning unit in a part of our home was not cooling. It was later discovered that while the unit inside the house was running, the unit outside the house was not running. We placed a call to Doornbos to schedule a service call that afternoon while trying to…

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 6, 2021

“Mike is a great serviceman; he has been here many times and is always a wonderful representative for your company.” – John D.

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Air Conditioner Maintenance in Palos Heights, IL 60463

August 4, 2021

“Mike is always professional and personable. Always a good job.” – Nicholas J.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 3, 2021

“Love working with Doornbos, I have had them out for maintenance today Auguest 3, 2021 Mike was very polite and informative. Very satisfied with his work.” – Patti G.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 3, 2021

“I was pleased that Mike was able to service my air conditioning today…I always request him when it is time to service either my air conditioning or heating systems. I am always pleased with his work. He also services two other family members heating and air conditioning systems.” – Celia A.

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 2, 2021

“We recently had George the technician out to our house 2x for a little AC work. We always use Doornbos for our heating and cooling work, but were disappointed when our previous tech is no longer there. NO PROBLEM, George is on the case!!!!! George was extraordinarily knowledgeable, thorough with his work, and most importantly,…

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Air Conditioner Maintenance in Oak Lawn, IL 60453

August 1, 2021

“Mike was a very attentive and personable. He demonstrated his professionalism and knowledge of our unit. All questions asked were answered by Mike. He represented your company very well, felt like I was dealing with the owner of the company. It was our first time utilizing your service and it was an excellent experience due…

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Air Conditioner Maintenance in Other, IL 60459

July 31, 2021

“We have been using Doornbos to service our heating and air conditioning systems for over 20 years. Their service technicians are very thorough in their work. We have them inspect and service two furnaces and A/C units each year. Their prices are very reasonable and scheduling an appointment is easy. We have also used Doornbos…

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Air Conditioner Installation in Other, IL 60439

July 14, 2021

“great job by all, thank you” – MIKE M.

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Gas Furnace Replacement in Orland Park, IL 60462

July 13, 2021

“Knowledgeable and efficient installation techs” – Donald R.

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Gas Furnace Installation in Other, IL 60465

May 19, 2021

“Professional service all the way. No issues and they explained everything that was done along with giving some valuable tips on furnace use.”    – Michael B.

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Air Conditioner Installation in Chicago, IL 60643

May 14, 2021

“Their pricing is fair and their service is great.” – Curtis W.

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Gas Furnace Repair in Tinley Park, IL 60477

April 26, 2021

“Lost heat and fan wouldn't shut off. Technician George found blown fuse caused by a short in the thermostat cable. Original installers failed to install a rubber grommet in the enclosure cable entry hole. This eventually resulted in cable insulation being cut and a short between one of the wires and enclosure. As a retired…

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Gas Furnace Installation in Other, IL 60415

April 14, 2021

“Fantastic job!! We had a new furnace, air conditioner and humidifier installed. Men working here were so knowledgeable and friendly. They explained everything when they were done. I would recommend them to other people.” – HERMAN C.

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Gas Furnace Replacement in Chicago, IL 60655

March 6, 2021

“Thank you for the fantastic service. My furnace went out on the coldest weekend of the year. Your service techs were able to get me going again till they could put in a new furnace first thing that Mon. morning. Work was done clean and professional. Highly recommend Doornbos.” – Ed G.

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Gas Furnace Installation in Oak Lawn, IL 60453

January 13, 2021

“Excellent turnaround. Doornbos provided heaters to help us in the interim to keep the main rooms in the house warm. The installers were very polite and explained to my husband what he needed to know about the furnace, etc. Doornbos is coming back in the Spring to complete the air conditioner installation. We would recommend…

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Gas Furnace Installation in Tinley Park, IL 60477

January 12, 2021

“The two technicians did a fantastic job. Very courteous and professional. Left everything very clean.” – robert H.

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Gas Furnace Maintenance in Homer Glen, IL 60491

January 9, 2021

“I called after 5pm on a Friday for service on my gas furnace. The dispatcher on the phone was very helpful and seemed delighted to help me with getting someone out to take a look at my issue. I received a phone call from the Tech (George). He was very attentive to listening while I…

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Gas Furnace Installation in Other, IL 60465

December 7, 2020

“It was actually for a furnace, A/C, humidifier, and thermostat. We could not be happier, no pressure salesman, prompt, clean, and professional installation. The city inspector even commented how they never get complaints from Doornbos customers.” – MICHAEL F.

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Gas Furnace Installation in Other, IL 60452

November 11, 2020

“Excellent installation very considerate of home” – Nancy K.

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Gas Furnace Installation in Chicago, IL 60655

November 11, 2020

“Outstanding staff” – BILL V.

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I AM VERY PLEASED WITH THE WHOLE EXPERIENCE, Chicago, IL 60652

August 14, 2020

“I AM VERY PLEASED WITH THE WHOLE EXPERIENCE THE SALESMAN WAS VERY KNOWLEDGEABLE AND THE INSTALLERS WERE VERY EFFICIENT. I” – SUSAN O.

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The installers did a great job, Oak Lawn, IL 60459

August 13, 2020

“The installers did a great job. The only downside is that the unit is noiser than the older one. I would have prefer a less noise.” – Francisco M.

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I would highly recommend Doornbos

August 13, 2020

“The men who installed my entire heating and cooling system were nice, informative, and, clean. I would highly recommend Doornbos.” – Lara R.

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I would recommend them when you either need service or new equipment

August 3, 2020

“I have been a Doornbos customer for many many years and when my air went out in June they were the only company I called due to past experiences. They replaced my furnace along with the air since it went out. They are very professional, always do great work and everyone is friendly and accommodating.…

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I highly recommend Doornbos and Technician Dan Lavarda

August 3, 2020

“On 7-22-20, I had 2 AC units serviced by Mr. Dan Lavarda, Technician. He did a wonderful job and made the extra effort to clean both units inside and outside our home. It was a very hot day. However, Dan took his time and diligently took his time to make sure the outside units were…

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Always professional and go above and beyond.

July 23, 2020

“Always professional and go above and beyond.” – Amy M.

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We have been customers for many years and will continue to be

July 22, 2020

“Service was quick and the repairman was extremely thorough. There were a couple of repair issues and he stayed until everything was satisfactory. We have been customers for many years and will continue to be.” – Nancy Z.

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One word! Outstanding!!!

June 19, 2020

“One word! Outstanding!!! Thank you so much!” – Linda R.

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Never Disappointed

June 15, 2019

Doornbos has serviced us for about fifty years. We purchased a heating and cooling system from them at our last residence. They have never disappointed us. – R.L. – Homer Glen

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Good Job

June 14, 2019

Good job. Thanks for the gifts. – J.V. – Chicago

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Thank You

May 21, 2019

Thank you for your consideration and expediency in doing the job. – C.Z. – Oak Lawn

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