Once again these claims, while plausible, are largely unsupported. Finally, the costs of these systems are higher than normal facades, but claims of energy and productivity savings are used to justify some of them. It is unclear as to how well many of these designs would work as currently formulated in California locations dominated by intense sunlight and seismic events.
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In addition, there is a wide range of existing and emerging glazing and fenestration technologies in use in these buildings, more » many of which break new ground with respect to innovative structural use of glass. Even if the building ''works'' it is often dangerous to take a design solution from one climate and location and transport it to a new one without a good causal understanding of how the systems work. While there are a number of new books on the subject with impressive photos and drawings, there is little critical examination of the actual performance of such buildings, and a generally poor understanding as to whether they achieve their performance goals, or even what those goals might be. This ''emerging technology'' of heavily glazed fagades is often associated with buildings whose design goals include energy efficiency, sustainability, and a ''green'' image. A/E firms often have a leading role in their design. Most of these buildings are appearing in Europe, although interestingly U.S. A quick perusal of the leading architectural magazines, or a discussion in most architectural firms today will eventually lead to mention of some of the innovative new buildings that are being constructed with all-glass facades.
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This study focuses on advanced building facades that use daylighting, sun control, ventilation systems, and dynamic systems.