Heritage has a standard R-20 wall insulation value. Heritage standard attic value is R-40. You may choose to Super Insulate your new home by increasing the walls to R-25 and the attic to R-50.
Heritage has a standard R-20 wall insulation value. Heritage standard attic value is R-40. You may choose to Super Insulate your new home by increasing the walls to R-25 and the attic to R-50.