Engineer & Design Solutions for
Pressure Vessels & Heat Transfer Equipment
Replacements • Upgrades • Custom-Engineered Systems
With more than 165 years of expertise, Thermal Engineering International (TEi) is a global leader in the design, manufacture, and upgrade of pressure vessels and heat transfer equipment for the power generation and process industries.
We specialize in delivering high-performance, custom solutions across a range of critical applications — from fossil, nuclear, and solar power to the oil, gas, and chemical sectors.
- New System Design & Manufacturing – Engineered to your exact specifications, built for performance, durability, and compliance.
- Replacement & Upgrade Solutions – Improve efficiency, extend lifespan, and meet evolving regulatory requirements.
- Full-Service Support – From consulting and spare parts to installation and commissioning, TEi offers end-to-end project support.
TEi proudly carries the legacy of industry-respected brands, including:
Struthers Wells, Perfex, EFCO, SWECO, Senior Engineering Company, Marley, and Westinghouse Feedwater Heaters.
This unmatched heritage gives us the tools and insight to support one of the largest installed bases worldwide.
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Whether you need more information or would like to discuss your next project, we look forward to speaking to you.