Download a listing of the Energy Ratings for Windows USA products which include eligible products for the 2011 Federal Tax Credit for Energy Efficiency.

Ratings are Climate Zone (map) and County (counties) specific.

ENERGY STAR is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy helping us all save money and protect the environment through energy efficient products and practices.	NFRC (National Fenestration Rating Council®) is a non-profit organization that administers the only uniform, independent rating and labeling system for the energy performance of windows, doors, skylights, and attachment products.