While architect Bill dunster and others make their mark with superefficient residential buildings, green construction and renovation are blossoming in office and industrial settings, too. The cost of using energy-efficient designs and recycled materials is usually no more than 3 percent higher than that of conventional construction, and the investment can often be recouped within a few years through lower utility and maintenance bills, says architect Karl Heit-man, who designed an energy-efficient warehouse for a Chicago-area manufacturer. Plus, simple low-cost features such as natural lighting and ventilation create a healthy environment that improves employee productivity, according to the U.S. Green Building Council, an industry group that rates innovative structures.
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机译：建筑师比尔·邓斯特（Bill dunster）和其他人以超高效的住宅建筑给人留下深刻印象的同时，绿色建筑和翻新工程也在办公室和工业环境中蓬勃发展。建筑师Karl Heit-man说，使用节能设计和再生材料的成本通常不会比传统建筑高3％，而且通常可以在几年内通过降低水电费和维护费来收回投资。他为芝加哥地区的制造商设计了一个节能仓库。此外，根据对绿色建筑进行评估的行业组织美国绿色建筑委员会（US Green Building Council）的说法，诸如自然采光和通风等简单的低成本功能可创造健康的环境，从而提高员工的生产率。
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