The 500 Series Insul-Tec double hung window is not only beautiful, durable and energy efficient but is one of our top sellers. Highly recommended by contractors and homeowners alike. If you want a great window and a great price start here with the double pane clear glass.
- 3¼" Deep welded frame curved colonial exterior a beautiful, strong long lasting performance.
- Heatseal® warm edge spacer drastically reduces the possibility of condensation on the inside of the window.
- Available in 4 exterior colors
- Perfect double hung for new Construction or as a replacement window.
- Schedule a free quote today.
| Energy Star | Comparison To | ||||||
| Glazing Option | U-Value | SHGC | VT | CR | Minimum* | Energy Star Minimum | |
| Dual Glazed | |||||||
| Clear Glass | 0.46 | 0.61 | 0.63 | 45 | 0.30 | Does not qualify | |
| Industry | Comparison To | ||||||
| Our Windows | Minimum | Industry Minimum | |||||
| AAMA Rating | R50 | R15 | |||||
| Air Infiltration cfm/ft2 | 0.02 | 0.3 | 1500% | Better | |||
| Water Penetration mph | 54 | 33 | 64% | Better | |||
| Structural Integrity mph | 171 | 94 | 82% | Better | |||
