States to Use 90.1-2010 by Oct. 18, 2013

ASHRAE's Washington office is reporting that the U.S. Department of Energy (DOE) has determed that ANSI/ASHRAE/IES Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings, saves more energy than Standard 90.1-2007. Specifically, DOE found national source energy savings of approximately 18.2%, and site energy savings of approximately 18.5%, when comparing the 2010 and 2007 versions of Standard 90.1. As a result of this week's DOE final determination, states are required to certify by Oct. 18, 2013 that that have reviewed the provisions of their commercial building code regarding energy efficiency and updated their code to meet or exceed Standard 90.1-2010.

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Source: ASHRAE