Insulation is measured in R-values—the higher the R-value, the better your walls and roof will resist the transfer of heat.

Our Insulation Calculators will list the most economic insulation levels for your existing or new home based on your climate zone and other basic information about your home.

If you're planning to build a new home go to this page:
Insulation calculator for new houses

For existing home check out this calculator:
Insulation calculator for existing houses