With its copper-and-granite-covered, geodesic-shaped exterior and 85-ft atrium, the 231,000-sq-ft McNamara Alumni Center at the University of Minnesota in Minneapolis is a campus gateway and showplace, serving as a visitor and conference center, as well as an office building. But despite its ultramodern architecture, the building relied on a single 550-ton chiller for cooling throughout its first six years of operation....
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