Three panes of glass provide even more protection from those cold winters. The Deluxe 700 Series Casement from Wonder Windows is a superior choice for energy efficiency.
- 33% Better U-Value than Energy Star® minimum
- 3000% better air infiltration protection
- Choose the Grid option between glass available in popular styles
- Fully welded frame & sash with triple weather stripping
- Easy operation easily adjustable
- 4 exterior color options plus custom colors available
| Glazing Option | U-Value | SHGC | VT | CR | Minimum** | Energy Star Minimum | |
| Triple Glazed | |||||||
| Deluxe | 0.20 (0.20)* |
0.24 (0.22)* |
0.39 (0.35)* |
70 | 0.30 | 33% Better | |
|
* Values with GBG (Grids Between Glass)
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| Industry | Comparison To | ||||||
| Our Windows (33"x64") | Minimum | Industry Minimum | |||||
| AAMA Rating | R | 70 | R | 15 | |||
| Air Infiltration cfm/ft2 | 0.01 | 0.3 | 3000% | Better | |||
| Water Penetration mph | N/A | 33 | Better | ||||
| Structural Integrity mph | N/A | 94 | Better | ||||
