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Advanced Control Options for LEED v.4

Version 4 of the popular Leadership in Energy & Environmental Design (LEED) green building rating system is expected to be released at Greenbuild in November 2013. Final balloting to approve the new LEED version is expected to occur in June. One thing is almost certain, which is that the prerequisite for the Energy + Atmosphere section will change from the 2007 to the 2010 version of the ASHRAE/IES 90.1 energy standard. This is because the 2010 version of 90.1 is now the national energy standard. By October 2013, all states in the country must put in place a commercial building energy code at least as stringent as ASHRAE/IES 90.1-2010 or justify why they can’t comply.

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