Dunn Heat Exchangers, Inc. offers the most efficient, safest and environmentally compliant means to maintain hydrocarbon contaminated equipment. We utilize our specially designed automated cleaning bays for shell side and tube side hydro cleaning. We operate the largest thermal bake-out oven of its' kind in America. Dunn offers grit blasting and a chemical pretreatment process for some of the toughest jobs. We handle all of the waste recovery with our on-site water treatment system, and our self contained covered transport trailers deliver equipment safely nationwide. We are in constant development of better and more efficient ways to hone our crafts.