Case Studies
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The Phoenix Central Library is an example of how a building can reflect its site and climate through different window and shading approaches on each orientation. The building effectively responds to the sun path of its particular latitude.
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The Seattle Justice Center deals with a very restricted site where only the southwest orientation is available for windows. The response is an advanced double-envelope facade that provides a thermal buffer while allowing sunlight to penetrate deep into the building.
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The Debis Tower in Berlin is an example of another advanced facade concept, with an outer envelope of operable glass panels functioning as a thermal buffer when needed. The inner glass wall with operable windows provides excellent control and comfort for the occupants in a high-rise building.
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The Hoffmann-La Roche Ltd. Office Building in New Jersey uses several design strategies to bring daylight into a massive central core building. These include small interior atriums, light shelves, and prismatic glazing that transmits daylight to the building core.
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The Florida Solar Energy Center reflects the use of glazing and daylighting techniques to reduce energy in a hot-humid climate. Light shelves, shading systems and skylights provide benefits that are documented by the researchers who inhabit the building.
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The Cambria Office Facility in Pennsylvania demonstrates the benefits of integrated design. By using triple-glazed, high-performance windows, the designers eliminated perimeter heating and downsized the mechanical system. This more than offset the cost of improved windows and saved energy as well.
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The designers of the Xilinx Development Center in Colorado had the freedom to extend the building on an east-west axis, resulting in mostly north- and south-facing windows that bring light and view into the perimeter spaces. An innovative light redirection device on the transoms reflects sunlight into the spaces.
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