Proven energy efficiency. Exceptional design flexibility. Maintenance-free durability. Expect more from Thermo-Tech Premium Vinyl Windows and Doors.

Thermo-Tech Premium Windows and Doors traces its history to a generation ago, when our dad opened East Side Glass in the familyÕs garage in St. Cloud, Minnesota. It was 1953, the same year John F. Kennedy married Jackie Bouvier and the same year the first color television went on sale. It was a time of innovation. And a time of quality and craftsmanship.

Some things donÕt change.

When Thermo-Tech opened in 1993, we brought those same values to our premium vinyl windows and doors. We made a commitment then to build only products that we are proud to sellÃ'products our dealers can... (more)


"Production run" means making a lot of one product at once. The factories listed under "production" can produce small and/or large quantities. The minimum order for a production run can vary from factory to factory (some have no minimum, some require a dozen, and some require up to 1,000 to be made at once)