THC Windows is Torontos premier window manufacturing and installation company. Specializing in the high rise condominium market THC has produced hundreds of high quality products to help complete the construction of your new build. Time and time again our staff hold the reputation for executing each project with passionate professionalism asking the right questions to ensure you receive the right product for your project. This reputation has led us to expansion both within our company and throughout the city. more... See more text