According to one estimate, building walls of ICFs adds $1 to $4 to this figure, but since ICF houses are more energy-efficient, the heating and cooling equipment can be up to 50% smaller than in a frame house.
Building walls of ICFs adds $1 to $4 to this figure. This is according to one estimate. The heating and cooling equipment can be up to 50% smaller than in a frame house. ICF houses are more energy-efficient.