Did you know that heat loss from a home through windows accounts for more than 20% of residential heating and cooling energy consumption? Therefore, energy efficient windows are an important consideration for both new and existing homes. The same applies to water doors. They also need to keep your home warm. You can order window and door replacement from TH Windows and Doors Oakville. We produce and install windows and doors that will keep your home warm in winter and protect your home from ultraviolet radiation in summer.