HEI standards are used throughout the world. To learn more about the individual standards, click on the links below. To order standards, print the order form, complete the form, and fax it to the HEI.

Email HEI to be notified when new standards are released:
hei@heatexchange.org

To order online, click here.

HEI also develops publications that provide educational information about heat exchange and vacuum equipment. Click here to view these informative publications.

Standards for Closed Feedwater Heaters
7th Edition, 2004

Standards for Steam Surface Condensers
10th Edition, 2006

Performance Standards for Liquid Ring Vacuum Pumps
3rd Edition, 2005

Standards for Steam Surface Condensers
Addendum 1 to 9th Edition, 2002

Standards and Typical Specifications for Tray Type Deaerators
7th Edition, 2003

Standards for Steam Jet Vacuum Systems
6th Edition, 2007

Standards for Direct Contact Barometric and Low Level Condensers
7th Edition, 2004

Standards for Power Plant Heat Exchangers
4th Edition, 2004