Thermo-Tech Premium Windows and Doors, rooted in the legacy of East Side Glass, has a history dating back to 1953—a time marked by innovation, quality, and craftsmanship. In 1993, Thermo-Tech carried forward these values, embarking on a mission to create premium vinyl windows and doors. Our commitment was simple: to craft products we’re proud to sell and our dealers are proud to offer, ensuring homeowners’ daily satisfaction. We hold customer contentment in the highest regard and meticulously produce both standard and custom windows for residential and commercial applications. With an unwavering dedication to innovation, we continuously enhance our production process, explore new glass and framing concepts, and leverage advanced technology to create stronger, more energy-efficient windows and doors, offering an array of design options to suit your preferences.