Performance Line series:
Unleash your design vision with Western Window Systems Performance Line. Energy-efficient, strong, and available in taller and wider sizes. Let your project reflect your creativity without limitations.
- Optimal performance, flexibility, and versatility
- Industry-leading U-factors for energy efficiency
- Narrow sightlines for a sleek and modern look
- Capability and flexibility for seamless integration
- Large sizes for expansive views and natural light
- Low U-values for energy efficiency
- Heavy-duty hardware for durability and security
- Customizable options to suit your preferences
- Bay & Bow
- Single Slider
- Double Slider
- Single Hung
- Double Hung
* Restrictions and conditions apply. Offer not available in all areas. Advertised discounted price, requires purchase and installation of 7 or more windows. Offer discount is calculated based on lowest priced window product. Cost of installation is excluded from the Offer. Minimum job size is 4 windows.