Based in Central Minnesota, Thermo-Tech offers premium vinyl windows and doors in a wide array of standard sizes that make new construction a breeze. We also build replacement windows and doors in 1/16th-inch increments for nearly any renovation project.

Our growing network of over 400 experienced dealers extends throughout the Upper Midwest. Every window and door we manufacture is built to order with one thing in mind... your complete satisfaction.

To find a dealer, please visit our dealer locator: http://ttwindows.com/dealer-locator