Energy Guide
U-FACTOR CR SHGC VT U-FACTOR SHGC VT U-FACTOR SHGC VT
Flat GBG, Narrow Contour GBG Wide Contoured Grids
SERIES GLAZING
No Grids
Clear 0.45 41 0.56 0.59 0.45 0.50 0.52 0.45 0.50 0.52
Low-E 272 0.33 51 0.30 0.51 0.33 0.27 0.45 0.33 0.27 0.45
Low-E 272 Argon 0.30 54 0.30 0.51 0.30 0.27 0.45 0.30 0.27 0.45
Low-E 366 0.32 51 0.20 0.46 0.32 0.18 0.41 0.32 0.18 0.41
Low-E 366 Argon 0.29 54 0.20 0.46 0.29 0.18 0.41 0.29 0.18 0.41
Energy Saver Max:
Triple Glaze Low E Argon
0.23 65 0.25 0.40 ------
Energy Saver Max:
Triple Glaze Low-E 366 Argon
0.23 65 0.17 0.33 ------
Energy Saver Max K:
Triple Glaze Low E Krypton
0.20 68 0.25 0.40 ------
Energy Saver Max K:
Triple Glaze Low-E 366 Krypton
0.20 68 0.17 0.33 ------
Energy Saver Plus 0.29 54 0.20 0.46 0.29 0.18 0.41 0.29 0.18 0.41
Energy Star northern qualified 0.30 54 0.30 0.51 0.30 0.27 0.45 0.30 0.27 0.45
Energy Star north central qualified 0.30 54 0.30 0.51 0.30 0.27 0.45 0.30 0.27 0.45
Energy Star south central qualified 0.32 51 0.20 0.46 0.32 0.18 0.41 0.32 0.18 0.41
Energy Star southern qualified 0.32 51 0.20 0.46 0.32 0.18 0.41 0.32 0.18 0.41
Clear 0.44 44 0.60 0.66 0.44 0.54 0.59 0.44 0.54 0.59
Low-E 272 0.30 55 0.34 0.58 0.30 0.30 0.52 0.30 0.30 0.52
Low-E 272 Argon 0.27 58 0.33 0.58 0.27 0.30 0.52 0.27 0.30 0.52
Low-E 366 0.30 55 0.23 0.52 0.30 0.21 0.47 0.30 0.21 0.47
Low-E 366 Argon 0.26 59 0.23 0.52 0.26 0.21 0.47 0.26 0.21 0.47
Energy Saver Max:
Triple Glaze Low E Argon
0.19 71 0.29 0.48 ------
Energy Saver Max:
Triple Glaze Low-E 366 Argon
0.19 71 0.20 0.39 ------
Energy Saver Max K:
Triple Glaze Low E Krypton
0.16 75 0.29 0.48 ------
Energy Saver Max K:
Triple Glaze Low-E 366 Krypton
0.15 75 0.20 0.39 ------
Energy Saver Plus 0.30 55 0.23 0.52 0.30 0.21 0.47 0.30 0.21 0.47
Energy Star northern qualified 0.27 58 0.33 0.58 0.27 0.30 0.52 0.27 0.30 0.52
Energy Star north central qualified 0.27 58 0.33 0.58 0.27 0.30 0.52 0.27 0.30 0.52
Energy Star south central qualified 0.30 55 0.23 0.52 0.30 0.21 0.47 0.30 0.21 0.47
Energy Star southern qualified 0.30 55 0.23 0.52 0.30 0.21 0.47 0.30 0.21 0.47
Clear 0.46 41 0.62 0.65 0.46 0.55 0.57 0.46 0.55 0.57
Low-E 272 0.33 51 0.33 0.57 0.33 0.30 0.50 0.33 0.30 0.50
Low-E 272 Argon 0.29 54 0.33 0.57 0.29 0.29 0.50 0.29 0.29 0.50
Low-E 366 0.32 51 0.22 0.51 0.32 0.20 0.45 0.32 0.20 0.46
Low-E 366 Argon 0.29 54 0.22 0.52 0.29 0.20 0.45 0.29 0.20 0.45
Energy Saver Max:
Triple Glaze Low E Argon
0.25 60 0.28 0.46 ------
Energy Saver Max:
Triple Glaze Low-E 366 Argon
0.24 61 0.19 0.37 ------
Energy Saver Max K:
Triple Glaze Low E Krypton
0.20 64 0.28 0.46 ------
Energy Saver Max K:
Triple Glaze Low-E 366 Krypton
0.20 64 0.19 0.37 ------
Energy Saver Plus 0.29 54 0.22 0.52 0.29 0.20 0.45 0.29 0.20 0.45
Energy Star - > 1/2 lite 0.32 51 0.22 0.51 0.32 0.20 0.45 0.32 0.20 0.46
Sliding Patio Door
(Narrow Stile)
Double-Slide
Double-Hung/Double-Slide
Fixed