High-Performance Windows
energy_Guard

Energy Guard Triple Pane Insulated Glass - available in Classic Series and ThermoFit for windows listed below.

Energy Guard PLUS Triple Insulated Glass (Energy Star Most Efficient)
Triple insulated glass with high-performance LoĒ²™ 272/Argon on two glass surfaces
Window Style U-Value R-Value Solar Heat Gain
no/Grids
Solar Heat Gain
w/Grids
Visible Light
no/Grids
Visible Light
w/Grids
Condensation
Resistance
U.S.Energy Star Zones
no/Grids
U.S. Energy Star Zones
w/Grids
energy star most efficient 2016 logo
U.S. Zones Energy Star Most Efficient
no/Grids*
energy star most efficient 2016 logo
U.S. Zones Energy Star Most Efficient
w/Grids*
Casement Window .19 5.26 .24 .22 .38 .34 70 All All All All
Awning Window .19 5.26 .24 .22 .38 .34 71 All All All All
Direct-Set Picture Window .16 6.25 .31 .28 .51 .46 71 N, NC N, NC N, NC N, NC
Fixed Casement Picture Window .17 5.88 .28 .25 .45 .40 70 N, NC All N, NC
All
Energy Guard Triple Insulated Glass (Energy Star Most Effiecient)
Triple insulated glass with high-performance LoĒ³™ 366/Argon on two glass surfaces
Window Style U-Value R-Value Solar Heat Gain
no/Grids
Solar Heat Gain
w/Grids
Visible Light
no/Grids
Visible Light
w/Grids
Condensation
Resistance
U.S.Energy Star Zones
no/Grids
U.S. Energy Star Zones
w/Grids
energy star most efficient 2016 logo
U.S. Zones Energy Star Most Efficient
no/Grids*
energy star most efficient 2016 logo
U.S. Zones Energy Star Most Efficient
w/Grids*
Casement Window .18 5.56 .16 .15 .31 .28 70 All All NC, SC, S NC, SC, S
Awning Window .18 5.56 .16 .15 .31 .28 71 All All NC, SC, S NC, SC, S
Direct-Set Picture Window .16 6.25 .21 .19 .41 .37 71 All All All NC, SC, S
Fixed Casement Picture Window .16 6.25 .19 .17 .36 .32 71 All All NC, SC, S NC, SC, S

*Meets Energy Star Most Efficient 2016 requirements. Refer to charts for details. Glass package available in Casement, Direct-Set, Fixed Casement, Classic and Thermo-Fit windows.

All tests conform to NFRC 100-2004, NFRC 200-2004, NFRC 500-2004 procedures.

Structural Performance Data  
Window Style Size Tested Class/Performance
Grade
Air Infiltration Water Infiltration
Forced Entry 
Casement Window 30 x 72 LC-50 .03cfm/ft2 12.12 psf Grade 10
Awning Window 48 x 39 LC-40 .03cfm/ft2 12.12 psf Grade 10
Direct-Set Picture Window 96 x 72 LC-50 .01cfm/ft2 12.12 psf Grade 10
Fixed Casement Picture Window 72 x 72 LC-40 .01cfm/ft2 12.12 psf Grade 10

The windows and doors described herein meet or exceed the AAMA/WDMA/CSA 101/I.S.2/A440-08.

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