Window Ratings Energy Star

The energy performance of all energy star qualified windows doors and skylights must be independently tested certified and verified according to test procedures established by the national fenestration rating council nfrc.

Window ratings energy star. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. The nfrc label provides a reliable way to determine a window s energy properties and to compare products. Nonprofit nfrc is the industry recognized certifying body for windows and doors. The energy star label which means the appliance has met strict energy efficiency criteria set by the u s.

The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. Government in addition to the nfrc ratings. Access the full energy star most efficient certified products list in excel excel 57 kb. Independently tested and certified energy performance.

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. Nfrc is a third party non profit organization that sponsors certified rating and labeling to help consumers. Though energy star does not require any. Energy star most efficient 2020 fixed or picture windows.

The white national fenestration rating council label. These vertical slider windows represent the leading edge in energy efficient products this year. 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. Are manufactured by an energy star partner.