FAQ - Windows
My budget is tight. What are my options?
Energy efficient windows are much more the standard today rather than a plus-up, making them more affordable than they’ve ever been. We’re happy to review all your options with you, including adding storm windows to existing single-pane windows. ...
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 ...
What kind of windows should I purchase?
Start by talking to a TVA-vetted contractor from our Quality Contractor Network. They can help guide you through options based on your needs and budget. ENERGY STAR® windows will have been independently certified to perform at levels that meet or ...
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 ...
What kind of windows should I purchase?
Start by talking to a TVA-vetted contractor from our Quality Contractor Network. They can help guide you through options based on your needs and budget. ENERGY STAR® windows will have been independently certified to perform at levels that meet or ...