The International Green Construction Code (IGCC) is supported by the International Code Council (ICC); the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE); the U.S. Green Building Council (USGBC); and the Illuminating Engineering Society of North America (IES).
National Green Building Standard(ICC 700-2008)— residential green with ANSI approval, can be used vs. IGCC.
IGCC offers the ANSI/ASHRAE/USGBC/IES Standard 189.1, Standard for the Design of High Performance, Green Buildings Except Low-Rise Residential - water use efficiency, indoor environmental quality, energy efficiency, materials and resource use, and the building impact.
