We carry over 58 different sizes and configurations of stock size Performa windows (every day), featuring one of the largest selections of stock windows in Texas! These windows can be custom-sized and ready in 7 to 10 days and they are easily mulled to other Performa windows to create multi-window configurations. Our 58 stock sizes are ready for immediate Cash & Carry Purchases to the public AND building professionals.

Each Performa 3300 stock window features our Super Low-E 366 glass with our dual-pane technology. All Ringer Windows are made with double strength glass that’s hermetically sealed into our windows, providing unsurpassed energy efficiency AND superior sound control. Our sun-crushing Low-E provides excellent year round energy efficiency that’s second to none. You just don’t find this level of quality, efficiency, durability, and affordability with many windows in this price-class. With so many built-in features included in this stock window, it provides excellent value and immediate availability beyond many others!