Window Series & Model |
Glass Options Package |
U-Value |
SHGC |
4800 Series Double Hung |
Low-E / Argon / Grids |
0.30 |
0.28 |
4800 Series Double Hung |
Double Low-E / Argon |
0.30 |
0.29 |
4900 Series Double Hung |
Double Low-E / Argon |
0.30 |
0.30 |
4900 Series Slider |
Double Low-E / Argon |
0.30 |
0.30 |
4800-4900 Series Picture Window |
Double Low-E / Argon / Grids |
0.28 |
0.30 |
4800-4900 Series Dead Lite |
Double Low-E / Argon / Grids |
0.28 |
0.30 |
700 Series Casement |
Low-E / Argon |
0.29 |
0.28 |
700 Series Awning |
Low-E / Argon |
0.28 |
0.28 |
800 Series Double Hung |
Low-E / Argon |
0.30 |
0.30 |
800 Series Slider |
Low-E / Argon |
0.30 |
0.29 |
700-800 Series Picture Window |
Low-E / Argon / Grids |
0.27 |
0.29 |
700-800 Series Dead Lite |
Low-E / Argon / Grids |
0.27 |
0.29 |
700-800 Series Picture Window |
Double Low-E / Argon |
0.27 |
0.30 |
700-800 Series Dead Lite |
Double Low-E / Argon |
0.27 |
0.30 |
700-800 Series Picture Window |
Sun Clean / Low-E / Argon |
0.27 |
0.28 |
5500 Series Double Hung |
Low-E / Argon / Grids |
0.30 |
0.29 |
5500 Series Double Hung |
Double Low-E / Argon |
0.29 |
0.30 |
5500 Series Slider |
Low-E / Argon / Grids |
0.29 |
0.29 |
5500 Series Slider |
Double Low-E / Argon |
0.29 |
0.30 |
5500 Series Picture Window |
Low-E / Argon / Grids |
0.29 |
0.30 |
5500 Series Picture Window |
DSG / Double Low-E / Argon |
0.28 |
0.30 |
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Door Series |
Glass Package |
U-Value |
SHGC |
3131 Series Patio Door |
Low-E / Argon / Grids |
0.30 |
0.28 |
3131 Series Patio Door |
Double Low-E / Argon |
0.30 |
0.30 |
3131 Series Patio Door |
Sun Clean / Low-E / Argon |
0.30 |
0.28 |
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The window and glass options listed above are the minimum package that must be ordered to qualify for the Federal Tax credit. Adding addional options of Sun Clean Glass, Low-E Glass, Grids, and/or Foam Filled Frames will further enhance the window's enegry performance.
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