Energy Star Window Ratings

January 1 2015 the current criteria were finalized in january 2014.

Energy star window ratings.

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. 45 of that cost is for heating and cooling. 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. What are the energy star climate zones 612kb. Access the full energy star most efficient certified products list in excel excel 57 kb. 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.

Windows doors and skylights must meet u factor and where applicable solar. Government in addition to the nfrc ratings. Nonprofit nfrc is the industry recognized certifying body for windows and doors. 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.

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. Each year the average american household spends 1 500 2 500 on energy bills. 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. 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. Independently tested and certified energy performance.

These vertical slider windows represent the leading edge in energy efficient products this year. 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. The energy star most efficient 2020 designation recognizes the most efficient products among those that qualify for the energy star program. Climate and location though probably have a stronger impact.

The nfrc label provides a reliable way to determine a window s energy properties and to compare products. Find the energy star climate zone for your location.