Thermo-Tech® Premium Windows and Doors – Made to Order, Built to Last
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 500 experienced dealers extends throughout the Upper Midwest, including locations in Minnesota, Wisconsin, North Dakota, South Dakota, Iowa, Michigan, Illinois and Indiana as well as Canada. Every window and door we manufacture is built to order with one thing in mind: your complete satisfaction. Please click here for more information about our Products and Performance Data. Call 1-877-565-0159 or click on Dealer Locator
to find a dealer near you.