Resources
HEI provides a wealth of technical resources to benefit users, specifiers, and purchasers of heat exchange and vacuum equipment. This informational and educational material has been developed through decades of experience and accumulated knowledge from the world’s best designers and fabricators.
Standards
Each section of HEI has developed standards that help improve understanding of scope equipment and assist in proper sizing, selection, specification, and use. HEI standards are used throughout the world to minimize misunderstanding and to enhance productivity and efficiency of vacuum and heat exchange systems.
Tech Sheets
HEI has developed numerous informational tech sheets to elaborate on material that is addressed in standards or to explain topics that are commonly misunderstood. We welcome the opportunity to assist in addressing topics that may be unclear to you. Forward questions to the HEI office.

