About

Dunn Heat Exchangers, Inc. is a family-owned company based in Texas City, Texas, founded in 1968, that specializes in cleaning, repairing, and fabricating shell-and-tube heat exchangers and related process equipment for the oil and gas, petrochemical, and power generation industries. The company pioneered off-site heat exchanger cleaning in 1977 and now operates the largest off-site cleaning capacity in the U.S. across facilities in Texas City and Bay City, TX, running 24/7 with ASME "U" and "R" stamp certification and TEMA-compliant repair and fabrication work.