THV Compozit Windows & Doors is a family owned and operated company. Since our establishment in 1984 by Al Leingang, THV Compozit, previously named Thermal Line Windows, has grown to be a leader in the ever-changing world of today's remodeling industry, manufacturing, selling, and installing quality replacement windows across the United States. More >>
The beauty is in the details. New windows not only improve your home's comfort, value, and appearance, but the windows you select can make a big difference in what kind of return you get on your investment. THV Compozit Windows are custom made to the exact specifications of your home for better-performing.More >>
The THV entryway system is a composite of the best materials used combined with the THV color system for a designer look that will increase the beauty of your home. Download our brochure today to see the various collections and styles available.