They say that eyes are the windows to the soul, revealing character and personality. Your windows speak volumes about the personality of your home. JNS Builders carries and installs only the most reputable brands. Our craftsmanship and products are guaranteed. It’s an easy and cost-effective way to to dramatically change the characteristics of your home’s outward appearance – with industry leading brand names like Marvin, Andersen, Jeld-Wen, Thermo-Tech, and Hayfield.