At Centennial, we are leaders in energy efficiency. As the first window manufacturer and retailer to qualify for Natural Resources Canada’s ENERGY STAR® program, we produce our own complete line of ENERGY STAR certified windows and doors. Our commitment to energy efficiency drives our daily operations and we are honoured to be named the 2019 ENERGY STAR Manufacturer of the Year - Windows and Doors. We work every day to reduce our customers’ carbon footprints and that is reflected in our dedication to excellence and innovation. We are also proud to have an A+ rating with the Better Business Bureau and were awarded the 2009 BBB Business Integrity Award. View all our awards and recognition here.