Learn about Windows & Doors
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Replacement Windows and Doors Tests & Specifications
Not sure which window series is best for your home? Use this handy chart to compare our products side-by-side.
| Charleston Series |
Double Hung |
Low-E Glass |
0.30 |
0.3 |
0.52 |
50 |
All Regions |
Yes |
| Double Hung |
Low-E Glass with grids |
0.30 |
0.27 |
0.46 |
50 |
All Regions |
Yes |
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| Slider |
Low-E Glass |
0.30 |
0.3 |
0.52 |
40 |
All Regions |
Yes |
| Slider |
Low-E Glass with grids |
0.30 |
0.27 |
0.46 |
40 |
All Regions |
Yes |
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| PGT SpectrGuard |
Double Hung |
Low-E Glass |
0.30 |
0.29 |
0.53 |
50 |
All Regions |
Yes |
| Double Hung |
Low-E Glass with grids |
0.30 |
0.26 |
0.47 |
50 |
All Regions |
Yes |
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| Slider |
Low-E Glass |
0.29 |
0.3 |
0.55 |
50 |
All Regions |
Yes |
| Slider |
Low-E Glass with grids |
0.29 |
0.27 |
0.49 |
50 |
All Regions |
Yes |
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| Picture Window** |
Low-E Glass |
0.28 |
0.34 |
0.62 |
50 |
All Regions |
No |
| Picture Window |
Low-E Glass with grids |
0.28 |
0.31 |
0.55 |
50 |
All Regions |
No |
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| Vytex Heritage Series |
Double Hung |
Low-E Glass |
0.29 |
0.29 |
0.53 |
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All Regions |
Yes |
| Double Hung |
Low-E Glass with grids |
0.29 |
0.26 |
0.47 |
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All Regions |
Yes |
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| Picture Window |
Low-E Glass |
0.27 |
0.3 |
0.55 |
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All Regions |
Yes |
| Picture Window |
Low-E Glass with grids |
0.27 |
0.27 |
0.49 |
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All Regions |
Yes |
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| Slider |
Low-E Glass |
0.28 |
0.29 |
0.53 |
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All Regions |
Yes |
| Slider |
Low-E Glass with grids |
0.28 |
0.26 |
0.48 |
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All Regions |
Yes |
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| Vytex Georgetown Series |
Double Hung |
Low-E Glass |
0.30 |
0.29 |
0.53 |
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All Regions |
Yes |
| Double Hung |
Low-E Glass with grids |
0.30 |
0.26 |
0.47 |
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All Regions |
Yes |
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| Picture Window |
Low-E Glass |
0.28 |
0.3 |
0.54 |
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All Regions |
Yes |
| Picture Window |
Low-E Glass with grids |
0.28 |
0.27 |
0.48 |
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All Regions |
Yes |
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| Slider |
Low-E Glass |
0.30 |
0.28 |
0.51 |
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All Regions |
Yes |
| Slider |
Low-E Glass with grids |
0.30 |
0.25 |
0.45 |
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All Regions |
Yes |
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| Vytex 8200 Series |
Sliding Patio Door |
Low-E Glass |
0.30 |
0.28 |
0.51 |
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All Regions |
Yes |
| Sliding Patio Door |
Low-E Glass with grids |
0.30 |
0.25 |
0.51 |
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All Regions |
Yes |
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| Vytex 3000 Series |
Casement |
Low-E Glass |
0.28 |
0.25 |
0.46 |
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All Regions |
Yes |
| Casement |
Low-E Glass with grids |
0.28 |
0.23 |
0.41 |
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All Regions |
Yes |
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| * Some DP Ratings will vary with window size. |
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| ** up to 25 sq. ft. |
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