Continuing our tradition of offering innovative, high-performing products and systems, we recently released OptiQ™ Ultra Thermal Windows – the industry’s smartest window. Developed as a result of a pioneering partnership with the U.S. Department of Energy, the AA®4325 series – the first OptiQ™ Window – reaches a new level in thermal performance due to the unique groundbreaking features integrated into its design.

With assistance from the U.S. Department of Energy, we were able to improve the product design and manufacturing processes, which has enabled more efficient production of the AA®4325 series, thereby assisting in the development of a window with best-in-class thermal performance.

When it comes to aesthetics, the AA®4325 series is the perfect combination of brains and beauty. The 3-1/4-inch frame depth delivers high thermal performance while its minimal sightlines offer superior aesthetics and are ideal for new or retrofit commercial construction. This versatile window is available in several configurations including, fixed, projecting and casement. Additionally, the AA®4325 series offers the flexibility to add or remove thermal options based on performance and cost requirements.

To learn more about OptiQ™ Ultra Thermal Windows, visit or contact your sales representative.

*LEED is a registered trademark for the U.S. Green Building Council (USGBC).