EPA seeks to improve Energy Star calculations
from Energy Star
This paper proposes a new approach to analyzing product data from the National Fenestration Rating Council Certified Product Directory. D+R International developed this methodology on behalf of the U.S. Environmental Protection Agency to better understand the variety of window technologies that manufacturers have certified and which combinations of technologies are used to achieve different performance levels. In the future, this methodology may be used in conjunction with other data and analyses as part of specification revisions for the Energy Star program for windows, doors and skylights.
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