Energy nfrc ratings center of glass performance performance grade air infiltration sound transmission ratings altitude limits joining wind load tables and installation materials technical data.
Andersen window energy ratings.
The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program.
Along with the corresponding energy star version 6 0 2015 climate zones in which the product and glass type are certified.
Energy star most efficient 2020 fixed or picture windows.
For over 100 years andersen has built a reputation for environmental stewardship and energy efficient products.
The nfrc label provides a reliable way to determine a window s energy properties and to compare products.
The company also offers window options and accessories including energy efficient windows smart home windows blinds shades and window hardware.
These vertical slider windows represent the leading edge in energy efficient products this year.
In fact andersen has been part of the energy star program since it started and was the first window manufacturer to be named an energy star national window partner of the year in 1999.
The national fenestration rating council nfrc operates a voluntary program that tests certifies and labels windows doors and skylights based on their energy performance ratings.
These products rated certified and labeled y national fenestration rating council nfrc a non profit organization that provides fair accurate and credible energy performance ratings for windows and doors.