Testimonials – Gas Furnaces Articles

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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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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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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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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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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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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My Family Uses Doornbos

June 26, 2019

While it was an unfortunate necessity that I needed to replace my furnace, Doornbos handled my needs with their usual efficiency, which is superb. My family has been using Doornbos for years and will continue to do so due to their professionalism and expertise. – K.B. – Orland Park

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