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Why Green Building rating systems are almost always wrong about IAQ


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Presentation by Hal Levin at ASHRAE Winter Meeting, Chicago, January 2012.

The U.S. Green Building Council's LEED rating system ensure neither energy efficient buildings nor good indoor environmental quality. A LEED building can  be rated as Platinum, the highest possible level, under the NC2009 rating system without doing anything at all about indoor environmental quality beyond what is required by building codes. An a significant fraction of LEED rated  buildings do worse on energy performance than their non-LEED-rated counterparts.