
- Geothermal Earth Comfort
Your source of information on geothermal heating and cooling 
- NRECA
National Rural Electric Cooperative Association 
- Michigan Energy Options
Michigan Energy Options is a Michigan non-profit agency that provides energy and environmental information and services. 
- Department of Energy-Your Home
DOE energy tips for your home 
- The Power Is In Your Hands
Energy tips sponsored by Alliance to Save Energy

