Zero Energy Buildings Definitions Slowly March Forward

zero energy buildings passive design

Ryan Pollin for Zondits, January 10, 2015. Image credit: hansbrinker The Department of Energy (DOE), which is generally the last word on such things, has released a common definition for zero energy buildings (ZEBs). Let’s have a look and break it down: An energy-efficient building where, on a source energy basis, the actual annual delivered energy … Read more