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A new American standard for the design of high-performance green buildings

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A new standard for the design of high-performance green buildings has just been published by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), in conjunction with the Illuminating Engineering Society of North America (IES) and the U.S. Green Building Council (USGBC). Standard 189.1: "Standard for the design of high-performance, green buildings except low-rise residential buildings" is the first standard for commercial green buildings in the United States of America. It covers site sustainability, water use efficiency, energy ef­ficiency, indoor environmental quality and the building’s impact on the atmosphere, materials and resources. The target audience includes all those who design, build and operate green buildings.

The energy efficiency goal of Standard 189.1 is to provide significant energy reduction over that in ANSI/ASHRAE/IESNA Standard 90.1-2007. It offers a broader scope than Standard 90.1 and is intended to provide minimum requirements for the siting, design and construction of high performance, green buildings. The aim is not just energy efficiency but a balance of environmental responsibility, resource efficiency, occupant comfort and well being and community sensitivity, all while supporting the goal of sustainable development.

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