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Krestmark Window Specifications |
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Specifications for Krestmark Aluminum and Vinyl windows are provided here for your information.
Please keep in mind that many manufacturers test in their own way and do not always compare equally. The most important
aspect is to find windows that are Energy Star rated - this means they have passed the Energy Star guidelines for energy efficiency. |
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Vinyl Series 200 |
LoE 270 |
LoE 240 |
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| U. Factor |
.39 |
.40 |
| Solar Heat Gain Co-efficiency |
.30 |
.20 |
| Light Transfer |
.54 |
.28 |
| Frame Thickness |
3 inches |
3 inches |
| Air Space |
3/8 inch |
3/8 inch |
| Structural Rating |
R40 |
R40 |
| Wind Load |
DP50 |
DP50 |
| Energy Star Rated |
YES |
YES |
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| Aluminum Series 175 |
LoE 270 |
LoE 240 |
| U. Factor |
.54 |
.53 |
| Solar Heat Gain Coefficiency |
.30 |
.24 |
| Light Transfer |
.54 |
.34 |
| Frame Thickness |
2.5 inches |
2.5 inches |
| Air Space |
3/8 inch |
3/8 inch |
| Structural Rating |
R50 |
R50 |
| Wind Load |
DP50 |
DP50 |
| Energy Star Rated |
YES |
YES |
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