July 2014

Codes + Standards

DOE Takes First Step in Updating National Reference Standard for Commercial Buildings to 90.1-2013

Preliminary analysis from the U.S. Department of Energy shows that the ASHRAE/IES’s 2013 energy efficiency standard contains energy savings over the 2010 standard of 8.5% source energy and 7.6% site energy. This is the first step by the DOE in issuing a ruling that could establish the 2013 standard as the commercial building reference standard [...]

Products + Technology

Cree Breaks 300 Lumens Per Watt Barrier

Cree, Inc. recently demonstrated 303 lumens/W from a white high power LED. Reaching the landmark achievement faster than predicted, this result surpasses Cree’s previous R&D industry best of 276 lumens per watt announced just over a year ago. Cree reported that the LED efficacy was measured at 303 lumens/W, at a correlated color temperature of [...]

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