Energy Star Window Ratings

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.

Energy star window ratings.

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. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. Energy star qualified windows doors and skylights.

January 1 2015 the current criteria were finalized in january 2014. Current specification effective date. 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. Independently tested and certified energy performance.

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. Choosing high performance windows doors and skylights can save you money and keep your home comfortable. What are the energy star climate zones 612kb. 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.

Energy star most efficient 2020 fixed or picture windows. Each year the average american household spends 1 500 2 500 on energy bills. These vertical slider windows represent the leading edge in energy efficient products this year. Windows doors and skylights must meet u factor and where applicable solar.

Nfrc is a third party non profit organization that sponsors certified rating and labeling to help consumers. 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. 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. Access the full energy star most efficient certified products list in excel excel 57 kb.

These vertical slider windows represent the leading edge in energy efficient products this year. 45 of that cost is for heating and cooling. Government in addition to the nfrc ratings. The energy star label which means the appliance has met strict energy efficiency criteria set by the u s.

It is important to select windows doors or skylights that are suited to the type of climate you live in. Find the energy star climate zone for your location.