If you have these windows in your home, you are likely spending hundreds of dollars a year more in home heating and cooling costs than you would with the latest ENERGY STAR qualified windows.

You can use the energy performance ratings of windows, doors, and skylights to understand their potential for gaining and losing heat, as well as bringing sunlight into your home.

Because of their snug fit, window quilts offer R-value increases similar to cellular shades, and they typically cost less, however they are often more complicated to operate and provide less visible light …

Partnership for Advanced Window Solutions (PAWS) -- PAWS aims to aggregate market demand, reduce product cost, and accelerate the adoption of advanced window solutions

Oct 29, 2024 · An R-value means that the material is better able resist heat flow and provide better insulation. The R-value depends on the type of insulation and its thickness.

The amount of insulation or R-value you'll need depends on your climate, type of heating and cooling system, and the part of the house you plan to insulate. To learn more, see our information on adding …

Window Types and Technologies Many design features and technologies make windows more energy efficient and improve the durability, aesthetics, and functionality. When selecting new windows, …

The U.S. Department of Energy estimates that if all single-pane and all double-pane clear glass windows in the U.S. were upgraded with insulating window panels, homeowners and businesses could …

Low-e exterior or interior storm windows can save you 10%–30% on heating and cooling costs, depending on the type of window already installed in the home. For more information on the benefits, …

Average Age of a Public Building 1/3 Building energy consumed is wasted on average 60% Of commercial buildings use windows with R-value below 1.4