On September 26, 2014 the U.S. Department of Energy issued a determination that ANSI/ASHRAE/IES Standard 90.1-2013 would achieve greater energy efficiency in buildings subject to the code than the 2010 version.  The DOE analyses determined that the energy savings would be: 8.7% energy cost savings 8.5% source energy savings 7.6% site energy savings As a result, … Continue reading DOE Updates Energy Conservation Requirements