For Texas windows, the best glass type combines energy efficiency, UV protection, and impact resistance due to the state's intense heat, strong sunlight, and occasional storms. Specifically, Cardinal Low-E 366 glass with Argon gas is highly recommended as it blocks heat effectively while allowing natural light, offers excellent fading protection by blocking 95% of UV rays, and improves insulation year-round. If you live in the southwest, your windows face intense sunlight

At P-Tek, we understand that windows aren’t just pieces of glass—they’re a vital part of your home’s comfort, design, energy efficiency and long-term value. When you compare us to other options, here’s why we believe P-Tek stands apart. 1. One-of-a-kind, Custom Built We don’t do mass-generic windows. At P-Tek, each window is custom-built  to your specifications—shape, size, finish, hardware, style. We cater to homeowners who want luxury, style, sophistication, uniqueness, top