The Milgard Energy Calculator provides a quick and easy way to help you select windows and doors that can meet local energy codes and project requirements. This tool gives you the flexibility to select the required ENERGY STAR® zone, u-factor, SHGC or VT, and determine which Milgard window and door products meet the selected requirements. Additional selections can also be made based on product series, operating style, glass type, grids and spacer type.
This tool is for informational purposes only. The user bears the responsibility of ensuring the products they purchase and install meet the applicable codes.