HomeMy WebLinkAboutmarvin 3/16/22,3:07 PM Energy Efficient Windows and Doors I Marvin
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To obtain ENERGY STAR certification,a window or door must meet a set of requirements that
are determined by the U.S.government.Those requirements differ based on geography,
meaning a window that's being installed in Minnesota has different requirements than one in
Florida.The certification is meant to indicate that the window is energy-efficient in the region
where it will be used,and can help homeowners save on energy costs.
ENERGY STAR CRITERIA
Window Window Door U- Door
Zone
U-Factor SHGC Factor SHGC
Window
U- Window
Factor< SHGCAny Door U- Door
ZoneNorthern 0.27 >0.32 Factor< SHGC<
=0.28 >0.37 0.30 0.40
■ Northern South-central =0.29 >0.42
Li North-Central Southern
=0.30
Window
Window Door U- Door
ZoneNorth U-
Central Factor< SHGC< Factor< SHGC<
0.40 0.30 0.40
0.30
Window
Window Door U- Door
ZoneSouth U-
SHGC< Factor< SHGC<
Central Factor<
0.25 0.30 0.25
0.30
Window
Window Door U- Door
ZoneSouthern U-
Zone Factor< SHGC< Factor< SHGC<
0.25 0.30 0.25
0.40
Does my window need to be ENERGY STAR certified in order to be energy efficient?
No.While an ENERGY STAR label can be helpful in identifying energy-efficient windows,every
home is unique.ENERGY STAR provides a one-size-fits-all guideline but does not take into
consideration,for example,the orientation of the house or the number or size of windows
and associated Solar Heat Gain.A window expert like your Marvin dealer can help determine
which products will work best for you.ENERGY STAR also recognizes products that meet high
energy-efficiency guidelines.Marvin offers the industry's widest selection of wood and clad
wood products that meet these rigorous criteria.Link to Most Efficient product list.
https://www.marvin.com/energy-efficiency 318