The only patented triple pane sliding PVC windows designed for our extreme climate. Self cleaning glass, state of the art custom exterior doors, visit our showroom. Since opening in 2001 Hi-Tech Energy Windows has endeavored to be a leader in the window and door industry by manufacturing products of the best quality that are designed for the highest energy efficiency possible. We started manufacturing windows using hollow core PVC which was the best material available at the time. Even then we chose to move away from an 'off the shelf' window system by designing our own products made specifically for an extreme climate and going so far as to patent portions of our design.Believing so highly in our founding principles and staying true to the name 'Hi-Tech', we continually look for ways to improve our products, increase their energy efficiency, and make them better and stronger. We believe that when a customer chooses our products for their home that they should be getting the absolute more... See more text