Thermal Windows, Inc. is celebrating over 40 years of quality window design and production. We manufacture energy-efficient aluminum and vinyl windows and sliding glass doors. Founded by the late Bob G. Pool in 1979, the company has grown steadily over the years. Sales and manufacturing operations in Tulsa, Oklahoma occupy 300,000 sq. ft. Thermal has 200 employees and we ship our products throughout the USA. There are showrooms in Tulsa and Oklahoma City and dealers in nearly every state.