(708) 499-HEAT (4328) or (708) 423-9580

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Quality Work … Since 1927!
  • “ Thank you and your staff for your help this holiday weekend! …your family installed my dad’s first furnace in 1955 & every one since. What a legacy! ”
    - Dorothy Flynn
  • “ You have an excellent team, Mr. Doornbos. ”
    - Jeanne Sencion
  • “ You and all the people we dealt with were really nice. If we can ever recommend your company to anyone, we certainly will. ”
    - Ray Szarzynski
  • “ I called Doornbos because my cousin said your company is honest and competent. He was right!! ”
    - Karen Darr
  • “ I have been dealing with Doornbos for over fifty years. Thank you. ”
    - Robert Ulatoski
  • “ It’s awfully nice to know there are still people like you out there when you need someone's help. ”
    - Dave Gaichas & Family
  • “ I told all of my co-workers to call Doornbos! They are the best! ”
    -Mr. & Mrs. Yodka
  • “ Doornbos always comes through and will always be my first choice in my heating and air conditioning needs. ”
    - Joe Kriss
  • “ Thank you for keeping the great service your company has been providing its grateful customers for nearly a century. ”
    - Bernice and Jim
  • “ I will always call your company for service. Thank you so much for an excellent job. ”
    - Mrs. W. Gragido
  • “ The service technicians that respond to our needs have been of great support and help to our skilled maintenance staff. ”
    - William Glotz, Maintenance Manager
  • “ I would like to commend Doornbos Heating and Air Conditioning for outstanding service and professional
    workmanship. ”

    - Don Dreher

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Company Background

Eighty-eight 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.

A Trip Through Time with Doornbos

Please click on any photo below to view larger image.

Our Staff

Our installers are full-time union sheet metal workers and pipe fitters. Each installer and service technician has a minimum of six years experience and is NATE Certified. This extraordinary staff demonstrates our commitment to quality. Quality work is not just sales talk at Doornbos.

You will always have a person to speak with. No buttons to push, no recorded messages. Our average length of industry employment is 27 years. You will be treated as a valuable customer by our valued staff.

Our Performance Guarantee

Our attention to detail is unmatched by any other company in the area. That is why we offer our comprehensive Performance Guarantee. Our performance and your new equipment performance will be demonstrated and documented by our full start-up service report. This procedure assures that you are getting the efficiency and capacity you are paying for.

Our Pricing Policy

We use contractor pricing and do architectural grade work. We do not believe in starting high to see how much we can get. We employ accomplished technicians and pay them accordingly. We will not cut corners or use inferior materials to lower our price. You can be sure that the price quoted is a fair and reasonable price for the high level of quality services we provide.

Trust Doornbos for your Indoor Environment & Energy Solutions

The Doornbos team of service technicians, sheet metal mechanics and pipe fitters is the best trained in the industry - and we support them with a customer service department that cares about keeping our customers happy.

Our professional standards ensure quality results on every project Doornbos performs. From design assistance, to automated fabrication, quality installations, to testing and balancing and control systems, Doornbos guarantees satisfaction.

Find out more about working with Doornbos.

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