Energy Star Opens Up Verification Testing

February 14, 2012

The Environmental Protection Agency is taking steps to open verification testing for the Energy Star Windows, Doors and Skylights program to all certification bodies. EPA will be modifying its partner commitments to remove the exclusive reference to the National Fenestration Rating Council, which aligns the window program with those for other Energy Star products, officials note.

Window, door and skylight Energy Star partners have all agreed–as part of their partner commitments–to verify ongoing product qualification through participation in third-party verification testing of products, EPA explains in a letter sent to stakeholders. The change is designed to provide manufacturers with greater flexibility in fulfilling their partner commitments for verification testing. 

The letter notes that EPA appreciates the steps the NFRC has taken to adapt its existing certification program for energy ratings and labels to meet EPA requirements for Energy Star product qualification. "EPA will continue to work with NFRC to add a verification component that also meets our requirements," it is noted. "In addition, EPA will provide additional direction for all [certification bodies] regarding verification testing requirements, including destructive testing options."

The letter concludes by inviting certification bodies interested in providing verification testing services for the Energy Star program to contact EPA via email at