Here are some websites to help your home or business become more energy efficient:
Department of Energy and the Environmental Protection Agency have worked together to create the
Energy Star Program. Energy Star reaches out to homeowners and business owners to save money and protect our environment through energy efficient products and practices.
http://www.energystar.gov/
Opower Energy Tool partnered with Facebook and Natural Resources Defense Council (NRDC) allowing you to compare your home�s energy usage with your friends, family and millions of homes across the United States similar to your own. You can compete against each other to see who is more energy-efficient and accomplish your own energy saving goals. Opower Energy Tool also gives energy saving tips and advice.
https://social.opower.com/
Energy Impact Illinois (EI2) is led by the Chicago Metropolitan Agency for Planning (CMAP) and is in partnership with various organizations, gas companies, and stakeholders to allow individuals such as residents, businesses, and non-profits reduce their energy use. EI2 provides simplified access to information, financial mechanisms and workforce resources that allows people to make their own energy impact.
http://energyimpactillinois.org