Background on the Calculator. From about 2004-2006 Dr. Sailor and his colleagues at Portland State University developed a physically-based energy balance simulation module for representing green roofs in whole building energy simulation software.
The Urban Climate Research Center is a partnership between the College of Liberal Arts and Sciences , the School of Geographical Sciences and Urban Planning, and the Julie Ann Wrigley Global Institute of Sustainability .
Prior to version 4 of EnergyPlus, the Department of Energy (DOE), in conjunction with three of its national laboratories, developed and made available commercial building benchmark models for building professionals to use when analyzing whole-building energy performance across the commercial building stock.