Menu 0

Sorry, Your Browser Is Not Supported

You can still browse the site but some services may not work properly. This site requires Google Chrome, Firefox, Safari or Internet Explorer 10 and above. For mobile devices use an HTML5 capable browser.

Download Chrome

Department of Energy Recognizes ASHRAE 90.1-2010 as New National Energy Standard

In a bold move, on October 19, 2011.. By October 18, 2013, all states in the United States must put in place a commercial building energy code at least as stringent as the ASHRAE/IES 90.1-2010 energy standard, according to an October 19, 2011 Department of Energy (DOE) ruling. This means the 2007 standard is effectively being leapfrogged as the national energy standard.