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e-flow hydronic pumping controls

Vytau K. Virskus Awarded Patent for On-Demand Hydronic Pumping Control System

E~flow is a mathematical algorithm that uses building energy demand as the primary control variable to slow down or speed up a hydronic pump through a variable speed control thereby increasing or decreasing volume flow. The E~flow control process is compatible with any off-the-shelf variable speed drive and has been proven to reduce energy cost by eliminating over-pumping, optimize instantaneous energy delivery to a system or load and minimize incremental electric and/or thermal energy waste.