Historical
ANSI/ASHRAE/USGBC/IES Standard 189.1-2009
Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings
Provides minimum criteria that apply to the following elements of building projects: new buildings and their systems; new portions of buildings and their systems; new systems and equipment in existing buildings; address site sustainability, water use efficiency, energy efficiency, indoor environmental quality (IEQ), and the building’s impact on the atmosphere, materials, and resources.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]