Homeplex Vinyl-Pro partnership believes strongly that quality stems from true passion for one's craft. Unlike your average mass-produced window, a Homeplex Vinyl-Pro window is individually constructed with precise craftsmanship and attention-to-detail. The results are lush, beautiful windows that are as visually appealing as they are technically sound.Another important factor in a genuine Homeplex Vinyl-Pro product is energy efficiency. Each Homeplex Vinyl-Pro window is specifically built to meet the highest industry specifications for energy efficiency. All window frames and sashes are fusion welded for strength, and to provide a permanent air and water tight seal. All glass units in our windows have double sealed insulating glass. These and many of our other regular practices ensure that our products provide optimum energy efficiency to any home or building.more...See more text