Cool TES typically involves Ice or Chilled Water (CHW). Low Temp Fluid (LTF) TES is an alternative with higher efficiency than Ice TES, and smaller volumes with lower supply temps than CHW TES.
20 yrs ago, DFW Airport rehabbed its Central Utility Plant as part of a major expansion. TES was an obvious choice to reduce peak demand costs and minimize chiller capacity & capital. However, CHW TES was not an option for the desired 90,000 ton-hr installation, as DFW’s CHW network operates with a 36 F supply temp, below that achievable with CHW TES. Accordingly, LTF TES with supply/return temps of 36/60 F was selected for the 6-million-gal TES tank.
Two decades of experience include demand mgmt, water treatment, and other operational results.
John Andrepont,President, The Cool Solutions Company
Brian Yancy, Assistant Vice President of Utilities and Automation Systems, DFW International Airport
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