Thermo Visus Systems Ltd. has created windows and doors that beautify, protect and increase the value homes and businesses across Ontario. With over 100,000 satisfied customers, we've built more than just windows and doors, we've built a reputation for providing superior products and superior customer service.. We are fully certified with Energy Star. In fact, our windows have the highest insulation value in Canada. Thermo Visus Systems holds numerous patents, including our unique wood grain process. Our modern facilities allow us to create interior and exterior window casings in virtually any color imaginable. That means your Thermo Visus windows enhance the beauty and value of your home, both inside and out. more... See more text