The Vytex Fortis Series is one of the world's most efficient window systems; and includes the most advanced features and technologies available. Fortis Series windows are manufactured from the highest-grade materials and tested to meet or exceed industry standards. They're virtually maintenance-free, and will keep their like-new beauty and performance year after year.
Our Fortis Series replacement windows offer you a variety of optional features to increase the energy efficiency of your windows, including:
VyGuard™ Laminated Glass
VyGuard Laminated Glass is available with Fortis Series, Heritage Series, Casement Windows, and Signature Sliding Patio Doors... learn more
Envirosealed™ Technology
Vytex's Envirosealed™ energy-efficient windows can lower energy bills and ensure a greener future for the planet... learn more
Vytex DuraTex™ Warm Edge Spacers
All insulated glass (IG) is not created equal! Our versatile warm edge technology spacer system helps you save on your energy bills... learn more
VyCore™ Foam Insulation
Vytex's exclusive insulation system increases the R-value resistance to heat flow. Add VyCore™ to just the frames of your Vytex replacement windows... learn more
TripleSilverLoE™
Introducing TripleSilverLoE™, the ultimate performance glass. It just might make all other low-e glass obsolete... learn more
Energy Saver R-5™ Glass
Introducing Energy Saver R-5 Glass from Vytex—the next generation in insulated glass units. learn more
Click here for more information about our Energy Saver R-5™ Glass.
Only the Fortis Series offers you your choice of two complete high-performance, energy-saving glass packages:
Introducing the VyWood™ Window—Vytex Fortis Series windows are the ultimate in premium windows, combining style, performance and efficiency to enhance your home's character and maximize your energy savings. Fortis Series windows are now available in VyWood™ paintable, stainable interior laminate in your choice of pine or oak.
With VyCoat™ you can choose windows offering an array of colors, creating magnificent views. You can give your home roadside appeal, outstanding weatherability, years of color reliability, added value, and lasting distinction.
Window and Door Profile Coating System:
- Waterborne-environmentally friendly.
- Excellent exterior coating with superior performance.
- Over 25 shades of the color spectrum.
- Provides more color possibilities than co-extrusion.
- High abrasion and humidity resistance.
- Maintains color vibrancy.
- Expanded color and gloss retention.
- Proven durability in all weather conditions.
- No peeling, flaking or cracking.
- Specifically formulated to coat PVC.
- Long-lasting beauty for the windows in your home.
VyCoat™ is specifically formulated to coat PVC and designed to meet all International Standard requirements.
VyCoat™ is available on window exteriors only and is exclusive to our Fortis Series and Potomac-hp Series.
Due to your computer monitor's settings, actual colors may vary.
DesignerGrid™
Allow the elegance of DesignerGrid to add class, luxury, and warmth to your most important possession—your home. DesignerGrid technology provides the quality and durability that are synonymous with Vytex® windows.
Form, function, and lots of little details...
The beauty of cut glass—rainbows of colors, illustrations of shape and depth. Now you can have that elegant look of traditional cut glass. Windows, patio doors, and transoms can all be enhanced in a variety of styles and patterns to match your home's architectural style.
Provides a traditional look and feel...
The DesignerGrid innovative design provides the classic look of beveled glass, while maintaining the energy-efficient standards of top-quality windows.
A multitude of patterns for your home...
Our DesignerGrid technology can create a number of different beveled and grooved edges, which allows DesignerGrid® to be customized to fit a wide variety of styles, and match any home's personality.
The quality you expect from Vytex...
Customers have come to expect the highest quality from Vytex windows. We're proud to continue that standard with DesignerGrid. Blending style with quality and durability to create a lasting finish is what defines our products.
Simulated Divided Lites (SDLs)
Further customize the look of your windows with our SDLs, available in a wide variety of colors and configurations.
| Products | Type of Glazing | U-value | Solar Heat Gain Coefficient | % Visible Light Transmission | ENERGY STAR® Compliance | Qualifies for Energy Tax Credit |
| Energy Saver Plus | ||||||
| Fortis Series Double-hung | Dual Glazed Low-E Glass w/ Argon | 0.26 | 0.29 | 0.53 | All Regions | Yes |
| Fortis Series Double-hung | Dual Glazed Low-E Glass w/ Argon & Grids | 0.26 | 0.26 | 0.47 | All Regions | Yes |
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| Fortis Series Picture Window | Dual Glazed Low-E Glass w/ Argon | 0.25 | 0.33 | 0.60 | All Regions | Yes |
| Fortis Series Picture Window | Dual Glazed Low-E Glass w/ Argon & Grids | 0.25 | 0.30 | 0.54 | All Regions | Yes |
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| Fortis Series Slider | Dual Glazed Low-E Glass w/ Argon | 0.27 | 0.29 | 0.53 | All Regions | Yes |
| Fortis Series Slider | Dual Glazed Low-E Glass w/ Argon & Grids | 0.27 | 0.26 | 0.47 | All Regions | Yes |
| Energy Saver Max | ||||||
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Argon | 0.20 | 0.25 | 0.42 | All Regions | Yes |
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Argon & Grids | 0.21 | 0.23 | 0.37 | All Regions | Yes |
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| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Argon | 0.18 | 0.29 | 0.48 | All Regions | Yes |
| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Argon & Grids | 0.19 | 0.26 | 0.43 | All Regions | Yes |
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| Fortis Series Slider | Triple Glazed Low-E Glass w/ Argon | 0.21 | 0.25 | 0.42 | All Regions | Yes |
| Fortis Series Slider | Triple Glazed Low-E Glass w/ Argon & Grids | 0.21 | 0.23 | 0.37 | All Regions | Yes |
| Energy Saver Ultimate | ||||||
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Krypton | 0.16 | 0.25 | 0.42 | All Regions | Yes |
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.16 | 0.23 | 0.37 | All Regions | Yes |
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| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Krypton | 0.13 | 0.29 | 0.48 | All Regions | Yes |
| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.14 | 0.26 | 0.43 | All Regions | Yes |
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| Fortis Series Slider | Triple Glazed Low-E Glass w/ Krypton | 0.16 | 0.25 | 0.42 | All Regions | Yes |
| Fortis Series Slider | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.17 | 0.23 | 0.37 | All Regions | Yes |
| Energy Saver Plus w/ Triple Silver Glass Package | ||||||
| Fortis Series Double-hung | Dual Glazed Low-E Glass w/ Argon | 0.26 | 0.20 | 0.48 | All Regions | Yes |
| Fortis Series Double-hung | Dual Glazed Low-E Glass w/ Argon & Grids | 0.26 | 0.18 | 0.43 | All Regions | Yes |
|
Fortis Series Picture Window | Dual Glazed Low-E Glass w/ Argon | 0.25 | 0.23 | 0.55 | All Regions | Yes |
| Fortis Series Picture Window | Dual Glazed Low-E Glass w/ Argon & Grids | 0.25 | 0.21 | 0.49 | All Regions | Yes |
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Fortis Series Slider | Dual Glazed Low-E Glass w/ Argon | 0.27 | 0.20 | 0.48 | All Regions | Yes |
| Fortis Series Slider | Dual Glazed Low-E Glass w/ Argon & Grids | 0.27 | 0.18 | 0.43 | All Regions | Yes |
| Energy Saver Max w/ Triple Silver Glass Package | ||||||
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Argon | 0.22 | 0.18 | 0.35 | All Regions | Yes |
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Argon & Grids | 0.22 | 0.16 | 0.31 | All Regions | Yes |
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Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Argon | 0.20 | 0.20 | 0.39 | All Regions | Yes |
| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Argon & Grids | 0.21 | 0.19 | 0.35 | All Regions | Yes |
|
Fortis Series Slider | Triple Glazed Low-E Glass w/ Argon | 0.22 | 0.18 | 0.35 | All Regions | Yes |
| Fortis Series Slider | Triple Glazed Low-E Glass w/ Argon & Grids | 0.23 | 0.16 | 0.31 | All Regions | Yes |
| Energy Saver Ultimate w/ Triple Silver Glass Package | ||||||
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Krypton | 0.17 | 0.18 | 0.35 | All Regions | Yes |
| Fortis Series Double-hung | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.17 | 0.16 | 0.31 | All Regions | Yes |
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Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Krypton | 0.14 | 0.20 | 0.39 | All Regions | Yes |
| Fortis Series Picture Window | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.15 | 0.18 | 0.35 | All Regions | Yes |
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Fortis Series Slider | Triple Glazed Low-E Glass w/ Krypton | 0.17 | 0.18 | 0.35 | All Regions | Yes |
| Fortis Series Slider | Triple Glazed Low-E Glass w/ Krypton/Grids | 0.18 | 0.16 | 0.31 | All Regions | Yes |
| Energy Saver R-5™ | ||||||
| Fortis Series Double-hung | Double Glazed Low-E Glass w/ Argon | 0.22 | 0.28 | 0.49 | All Regions | Yes |
| Fortis Series Double-hung | Double Glazed Low-E Glass w/ Argon & Grids | 0.22 | 0.25 | 0.44 | All Regions | Yes |
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| Fortis Series Picture Window | Double Glazed Low-E Glass w/ Argon | 0.20 | 0.31 | 0.56 | All Regions | Yes |
| Fortis Series Picture Window | Double Glazed Low-E Glass w/ Argon & Grids | 0.20 | 0.28 | 0.50 | All Regions | Yes |
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| Fortis Series Slider | Double Glazed Low-E Glass w/ Argon | 0.21 | 0.27 | 0.49 | All Regions | Yes |
| Fortis Series Slider | Double Glazed Low-E Glass w/ Argon & Grids | 0.21 | 0.25 | 0.44 | All Regions | Yes |
Notes:
- All windows are tested and certified to National Fenestration Rating Council (NFRC) standards.
- ENERGY STAR® compliant windows are rated, certified, and labelled for U-value and solar heat gain coefficient per NFRC.
- All Vytex Low-E insulated glass units (IGUs) contain argon or krypton gas.
- Values for units with grids are based on 8mm x 18 mm or smaller divider size.
