Thermal Engineering International (USA) Inc.

At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime. Backed by more than 165 years of engineering excellence, we deliver comprehensive heat transfer solutions—from the largest condensers in the U.S. to cutting-edge feedwater heater designs, advanced MSR retrofits, and precision rotor air coolers for modern combined cycle plants. We serve a diverse range of industries, including Fossil, Nuclear, and Solar Power, as well as Oil, Gas, and Chemical processing. Our full-service model includes everything from consultation and spare parts to the manufacture and installation of complete system designs, replacements, and upgrades. TEi stands apart with a legacy of trusted brands, deep technical heritage, and modern manufacturing capabilities tailored for today’s most demanding thermal applications. Our other legacy brands include Perfex Group, Marley, Westinghouse Feedwater Heaters, and Struthers Wells. When performance, reliability, and time matter most, TEi is your single-source solution for heat exchanger needs. One Source. Many Solutions. With a unified network of specialized subsidiaries, BPI provides a comprehensive portfolio of energy expertise under one roof. Our collaborative approach removes complexity, ensures consistency, and drives innovation across every engagement.