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Ohio State University Chiller Plant
Recent trends in chiller plant design that have been to use eye-catching enclosures, often glass boxes, to allow mechanical systems to be visible from outside. However, this presents the problem of cooling the chiller plant. At Ohio State University in Columbus, Ohio, a new ten-story plant uses precast concrete panels with a series of openings that allow a view inside, while keeping the interior temperature consistent and the energy use regulated.
The plant building is more than just a concrete box with openings, however. Conceived as a “House for Energy,” the envelope showcases the energy-efficient chiller equipment inside and records the sun’s energy on the exterior.
The LEED Silver Certified building features a high-polish finish and “fins” of diachronic glass that cast colored light rays across the concrete surface. The result is a dynamic façade that changes with the time of day, season, and location of the observer.
The chiller housed at the new plant facility provides chilled water production and distribution to the medical center area of the campus. The plant encloses the equipment used to maintain 12,500 tons of chilled water, with a plan to increase that capacity to 30,000 tons. Emergency power installed at the plant increases the reliability of the water production and distribution in the event of a power outage.