AWT: GSA Guidance for Cooling Towers
From 2014 to 2017, the average water rates paid by the U.S. General Services Administration (GSA) increased 41%. Rapidly escalating costs, federally mandated water-reduction targets, and the fact that 80% of GSA floor space is conditioned with chilled water plant cooling towers led GSA's Proving Ground to select six alternative water treatment (AWT) technologies for in-field validation. This report summarizes the first four evaluations, which were conducted by the National Renewable Energy Laboratory (NREL). Two additional evaluations will be completed by 2021. View full-size infographic. [PDF - 282 KB]
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