American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) – ASHRAE fulfills its mission of advancing heating, ventilation, air conditioning and refrigeration to serve humanity and promote a sustainable world through research, standards writing, publishing and continuing education.
Clean Edge Trends – CLEAN EDGE, the world's first research and advisory firm devoted to the clean-tech sector, delivers comprehensive clean-tech insights to corporations, investors, governments, entrepreneurs, and other key stakeholders.
National Association of Energy Service Companies (NAESCO) – The National Association of Energy Service Companies is a national trade association which has been promoting the benefits of the widespread use of energy efficiency for over 25 years.
American Council for an Energy-Efficient Economy – Sponsors an international conference on energy efficiency in buildings. Publishes reports on technical and policy issues related to energy efficiency.
Database of Incentives for Efficiency (DSIRE) – DSIRE is a comprehensive source of information on state, local, utility and federal incentives and policies that promote renewable energy and energy efficiency.
Tax Deductions for Energy Efficient Commercial Buildings – Outlines the federal tax credits available to organizations that invest in efficiency improvements through the Energy Policy Act (EPAct) of 2005, Section 179D.
Solar Energy Industries Association (SEIA) – SEIA works to expand the use of solar technologies, strengthen research and development, remove market barriers, and improve education and outreach for solar.