Energy Star Window Ratings

Choosing high performance windows doors and skylights can save you money and keep your home comfortable.

Energy star window ratings.

Each year the average american household spends 1 500 2 500 on energy bills. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. January 1 2015 the current criteria were finalized in january 2014. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program.

Current specification effective date. Government in addition to the nfrc ratings. The nfrc label provides a reliable way to determine a window s energy properties and to compare products. Select your state and county or zip code in california to find your climate zone and learn more about picking the best product for your area.

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. Climate and location though probably have a stronger impact. The energy star label which means the appliance has met strict energy efficiency criteria set by the u s. Are manufactured by an energy star partner 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 prot.

Access the full energy star most efficient certified products list in excel excel 57 kb. The white national fenestration rating council label. According to the department of energy replacing uncertified windows with energystar products can save you 2 00 per square foot over the window s lifetime 4 00 if you buy the best insulation possible so the size of your home is an important factor. Nonprofit nfrc is the industry recognized certifying body for windows and doors.

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. It is important to select windows doors or skylights that are suited to the type of climate you live in. These vertical slider windows represent the leading edge in energy efficient products this year. What are the energy star climate zones 612kb.

Find the energy star climate zone for your location. Energy star qualified windows doors and skylights. Independently tested and certified energy performance. Energy star most efficient 2020 fixed or picture windows.

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. These vertical slider windows represent the leading edge in energy efficient products this year.