1) Hydraulic Institute, Europump, & U.S. Department of Energy Industrial Technologies Program. (2004). Variable speed pumping — A guide to successful applications, executive summary. Available at http://www.nrel.gov/docs/fy04osti/36074.pdf

The president of trade-communications firm Common Ground, John Vastyan is a journalist who has been writing about the plumbing-and-mechanical and HVAC industries for 25 years. He can be reached at 717-664-0535.

Did you find this article useful? Send comments and suggestions to scott.arnold@penton.com.