[About Thermo-Bilt, Toronto?s Window and Doors Company] With over twenty years serving the Toronto area, we understand the difference high-quality replacement windows or doors can make to the safety, security and energy efficiency of your Toronto house, and to the overall aesthetic and feeling that your home invokes. [Only the Best Materials] We?re meticulous in our choice of manufacturers and materials. Our manufacturers maintain the highest standard of design, construction and durability, and we work exclusively with Cardinal glass. Combined, these ensure windows and doors that are well-insulated for high thermal performance, built to last, and designed to suit your unique home. more... See more text