Energy Efficient Window Coverings | Department of Energy
Insulated cellular shades can be a good choice if you are looking for significant energy savings from their window coverings, as well as comfort, privacy, and increased home resale value. In heating seasons, tightly installed cellular shades can reduce heat loss through windows by 40% or more, which equates to about 10% heating energy savings.
Window Types and Technologies | Department of Energy
Insulated window glazing refers to windows with two or more panes of glass. To insulate the window, the glass panes are spaced apart and hermetically sealed, leaving an insulating air space. Insulated window glazing primarily lowers the U-factor, but it also lowers the SHGC.
Energy Performance Ratings for Windows, Doors, and Skylights
The National Fenestration Rating Council (NFRC) operates a voluntary program that tests, certifies, and labels windows, doors, and skylights based on their energy performance ratings. The NFRC label provides a reliable way to determine a window's energy properties and to compare products.
Installing window attachments can save 15%4 of a household’s annual HVAC (heating, ventilating, and air cooling) energy use compared to vinyl blinds. High eficiency, Example of windows as weak points in a home’s energy eficiency. insulating, and automated shades ofer further savings potential.
Update or Replace Windows | Department of Energy
Add energy efficient window coverings. Learn more about your window covering options. Add storm windows or panels; Add solar control film; Add exterior shading, such as awnings, exterior blinds, or overhangs.
Storm Windows - Department of Energy
Low-e storm windows are more insulating, reflecting heat back into the house into the winter, and can also help the home stay cooler during the summer, keeping the home more comfortable. Information on the energy efficiency of storm windows is …
Insulation - Department of Energy
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 insulation to an existing house or insulating a new house.
Windows, Doors, and Skylights | Department of Energy
Install tight-fitting, insulating window shades on windows that feel drafty after weatherizing. Consider insulated cellular shades, which are “honeycombed” and can be raised or lowered. Obtain energy efficiency ratings for window attachments from …
Hunter Douglas Receives First-Ever Energy Performance Rating for …
May 1, 2020 — A leading manufacturer of custom window treatments, Hunter Douglas, received the first-ever energy performance rating from the Attachments Energy Rating Council (AERC) for its cellular shades and cellular roller shades window coverings.
Consumer Guide to Energy-Efficient Windows Fact Sheet
Learn how ENERGY STAR-qualified windows can improve indoor comfort while saving money on heating and cooling costs. This fact sheet from Energy Saver includes information on ENERGY STAR standards for windows, replacing old windows, and …