Yesterday the DOE issued a Notice of Preliminary Determination that ANSI/ASHRAE/IES Standard 90.1-2013 would achieve greater energy efficiency in buildings subject to the code than its predecessor, 90.1-2010. The preliminary analysis estimates national  energy savings of approximately 8.5% for commercial building energy consumption. The evaluation of every new version of ASHRAE 90.1 is required by law.  Now that the DOE … Continue reading Energy Code Update