Energy Efficient Building Websites
Structural Insulated Panels | Energy Efficient Building in Midwest | SIP Manufacturer
Structural Insulated Panels, SIPs, manufacturered by Extreme Panel provide the perfect solution to green building - the perfect insulated building envelope. Energy Efficient homes and commercial building construction solutions. Midwest Green Building
6,981,498 
$ 8.95
Green Home Building: Index
Greenhomebuilding.com focuses on sustainable architecture, natural building, solar energy, ecology, water and forest conservation, recycling, greenhouses, adobe, cob, strawbale, cordwood, papercrete, earthbag and vernacular architecture, with related resources of books, videos and links.
621,850 $ 1,200.00
ThermoBuilt Home
ThermoBuilt: Strong, Super-Insulated, Super Energy-Efficient AND Affordable DIY Kit Home Shells. ThermoBuilt Homes, which are Builder 7 Contractor-Friendly, provide R-30 Walls and an R-40 Roof. Compare to SIPS, as ThermoBuilt provides double the R-Value at half the cost!
14,187,168 $ 8.95