Warm-water liquid cooling, evaporative towers and waste-heat reuse: the DOE-documented ESIF computing data center in Golden, Colorado.
Independent public project study. Gulfstream does not claim a client relationship, project involvement or recruiting outcome for this project.
Golden, CO · Sources reviewed October 29, 2026. This is a documented project reference, not a live construction-status report.
The data center uses direct warm-water liquid cooling supplied to server racks.
Source: U.S. Department of Energy Better Buildings, project source
The chiller-less cooling design uses 75°F cooling water and evaporative cooling towers.
Source: U.S. Department of Energy Better Buildings, project source
The project captures and reuses data-center waste heat.
Source: U.S. Department of Energy Better Buildings, project source
The liquid-cooling design decision preceded routine commercial availability of liquid-cooled computing systems.
Source: U.S. Department of Energy Better Buildings, project source
The project source reports: The DOE showcase reports an annualized average PUE of 1.06; retain this as that source’s reported value, not a current universal rating. This is the source’s account, not an independently verified Gulfstream result.
Source: U.S. Department of Energy Better Buildings, project source
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