Environmental protection agency to help consumers identify.
Door ratings energy star.
The nfrc label provides a reliable way to determine a window s energy properties and to compare products.
The white national fenestration rating council label.
Note that energy star considers glass doors to be a type of window.
Nonprofit nfrc is the industry recognized certifying body for windows and doors.
What makes it energy star.
Are manufactured by an energy star partner.
Department of energy and u s.
Learn more about the nfrc label.
The national fenestration rating council nfrc label helps you compare energy performance ratings of doors.
Government in addition to the nfrc ratings.
The energy star program is sponsored by the u s.
January 1 2015 the current criteria were finalized in january 2014.
The nfrc label can be found on all energy star qualified window door and skylight products but energy star bases its qualification only on u factor and solar heat gain coefficient ratings which are described below.
New performance levels pdf 238 86 kb are effective as of january 1 2016 including northern zone prescriptive and equivalent energy performance criteria for windows doors and skylights in all climate zones.
Are independently tested certified and verified by the national fenestration rating council nfrc and have nfrc ratings that meet strict energy efficiency guidelines set by the us environmental protection agency epa.
Current specification effective date.
The energy star label which means the appliance has met strict energy efficiency criteria set by the u s.
Windows doors and skylights must meet u factor and where applicable solar.
Energy star qualified windows doors and skylights.