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More Online Resources

Energy efficiency:

ENERGY STAR®
Residential Energy Services Network: HERS rating information
The Energy Conservatory: Diagnostic Tools to Measure Building Performance
U.S. Department of Energy: Energy-Efficient Products
Iowa Energy Center
Energy Center of Wisconsin
Wisconsin Focus on Energy

Trade organizations:

American Society of Refrigerating Engineers (ASHRAE)
Association of Home Appliance Manufacturers (AHAM)
Gas Appliance Manufacturers Association (GAMA)

Geothermal:

Iowa Heat Pump Association
Wisconsin Geothermal Association

Please note: Alliant Energy is not affiliated with the organizations listed, and is responsible for neither the accuracy nor the privacy of their Web sites.