Transom windows are stationary units designed to fit exactly over Thermo-Tech standard size operable and stationary windows. Direct Set Transoms are designed to be stacked vertically on Single Hung, Double Hung and other fixed units.

Sliding Patio Doors, like our entire window line, are designed for superior performance and energy efficiency. They are built tough and dependable to weather the years.

Thermo-Tech offers vinyl windows in a wide array of standard sizes that make new construction a breeze. Or we can build replacement windows or doors for nearly any replacement project.