Your family can stay warmer while you reduce the cost of heating with home insulation, including manufacturer's recommendations by weather zone, R-value per inch, insulation density and moisture permeability.
Chart: Types of home insulation.
MOTHER EARTH NEWS STAFF
U.S. map: Farmers home administration/mineral insulation manufacturers recommendations.
The recent success of superinsulated housing is, perhaps, the strongest testimonial to the fact that thermal conservation measures are becoming accepted practices in the construction of even conventional-looking homes.