Related Articles
How much floor insulation should I add?
The U.S. Department of Energy recommends that floors in warm climate zones be insulated with an R-11 value, or insulation that is 3 ½-inches thick.
How much attic insulation should I add?
The recommended insulation level for most attics is around R-38, or about 10 to 14 inches, depending on insulation type.
How much exterior wall insulation should I add?
The amount of wall insulation you need is based on the size of your walls and the type of insulation that you and your contractor decide to install. Generally, exterior walls should be insulated to at least R-13.
How is window energy efficiency rated?
Windows are rated by U-factor and Solar Heat Gain Coefficient (SHGC). The lower the U-factor, the greater the insulating value of the window and the more heat you retain indoors during the winter months. A lower SHGC means less solar heat will pass ...
How is window energy efficiency rated?
Windows are rated by U-factor and Solar Heat Gain Coefficient (SHGC). The lower the U-factor, the greater the insulating value of the window and the more heat you retain indoors during the winter months. A lower SHGC means less solar heat will pass ...