ASHRAE Website

Visit the American Society of Heating, Refrigerating and Air-Conditioning Engineers’ homepage to learn how they are using advances in technology to serve humanity and promote a sustainable world.


Database of state incentives for renewables and efficiency. DSIRE is a comprehensive source of information on state, local, utility and federal incentives and policies that promote renewable energy and energy efficiency.

DOE2 Website

A building energy simulation tool usable in all phases of design that will guide you through the making of a DOE-2 building model and allow you to automatically perform parametric simulations of your model. eQUEST energy simulation software available for download.

USGBC Website

The U.S. Green Building Council (USGBC) is a non-profit organization committed to a prosperous and sustainable future for our nation through cost-efficient and energy-saving green buildings.  Learn about the LEED certification system.

U.S. Department of Energy

Weather data for more than 2100 locations is available for download in EnergyPlus compatible format.