Skip Navigation
Oklahoma State University

Energy Efficiency & Sustainability


  • IgCC (International Green Construction Code), developed by ICC. IgCC includes provisions of the International Energy Conservation Code (IECC) and the National Green Building Standard (IC-700), and incorporates ASHRAE Standard 189.1 as an alternative path to compliance. IgCC 2012 is not yet available through OSU subscription.


Rating Systems

Sustainable Design Guides

Whole Building Design Techniques and Technologies

Advanced Energy Design Guides, for Commercial Buildings

Design Guides for Residential

Incentives for Renewables and Efficiency, by state

International Energy Outlook