ENERGY STAR is a joint program of the U.S. Environmental Protection Agency (EPA) and the U.S. Department of Energy (DOE). Its mission is to help individuals reduce energy costs and to protect the environment through energy-efficient products and practices. EPA and DOE set strict energy-efficiency guidelines for ENERGY STAR qualified products. For more information on ENERGY STAR qualified products, visit

To become ENERGY STAR qualified, windows and patio doors must be independently tested and certified by the National Fenestration Rating Council and labeled according to ENERGY STAR climate zones. Milgard is proud to be an ENERGY STAR partner and offer products that meet ENERGY STAR requirements in all regions.

Climate zones

2012 - 2032 Tax Credits

By installing ENERGY STAR-certified windows and doors from Milgard Windows and Doors, you might not only save money on heating and cooling costs but may also be eligible for an ENERGY STAR tax credit. For important information, visit and Section 25C of the Internal Revenue Code at You can download our Manufacturer Certification Statements here.


For Tax Years 2012-2022:
Tax Credit Certification Statement (2012-2022)

For Tax Years 2023-2032:
Tax Credit Certification Statement (2023-2032)