Data centers rely heavily on the capability and optimal performance of heat rejection equipment being utilized to function efficiently. When conserving water is a primary goal, careful attention must be given to the heat rejection equipment being specified.

Data center cooling applications can be served by either an open-loop cooling tower or a closed-circuit cooler. The requirements of the application, location of the facility, local utility costs, water availability, and environmental considerations are the primary factors when choosing between the two.

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