The builder cited here was a volume builder with a standard line of low cost homes; for the Solar Homebuilders Program the builder ... many cases this could be a very low cost or even no cost measure. ... Adding in a roof truss redesign ( $200) to accommodate a uniform full R-38 insulation was even less cost effective.
|Title||:||The World turns to solar|
|Author||:||International Solar Energy Society. American Section|