Simonton Windows® entered the new millennium with its dedication to quality products and unbeatable customer service intact. Legendary Simonton quality continues to be recognized throughout the industry and is evident in the numerous industry awards Simonton has received. Simonton now offers many distinct lines of vinyl replacement and new construction windows and doors, including ENERGY STAR® compliant products, and even a full line of impact-resistant windows and doors. And every Simonton product is engineered for superior performance, thermal efficiency and long-lasting beauty.