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About Us
With nearly 150,000 square feet of covered workspace in Texas City, Texas, customers frequently think of Dunn Heat as an exchanger cleaning facility, as a repair facility or as a fabrication shop, unaware that we are this and much more. 

In addition to owning the largest known service shop in the United States, the company operates the largest known cleaning facility, bundle cutting saw, bake out oven and library of electronically archived drawings of customer equipment. Since 1968, our reputation for commitment to innovation has been justly earned.

We have also delivered on special requests as diverse as providing support in the maintenance of an old ship boiler, restoring a historic, steam locomotive, cleaning critical, high speed turbines and even building a heat exchanger for a spacecraft - the X-Prize winning "Space Ship One."

Primarily serving the greater Gulf Coast region, we work with some of the largest refining and petrochemical companies in the world, routinely managing time-critical assignments involving from one to more than 100 pieces of equipment and often requiring integrated technologies.

We operate 24/7 and routinely deliver 24-hour turnaround services to help our clients decrease downtime and minimize equipment costs.