The Don Young Co. is a Dallas manufacturer of energy-efficient new replacement windows made from vinyl or aluminum and fiberglass patio doors. For homeowners looking to purchase replacement windows or patio doors for their home, we offer several window styles with the primary focus on long-term vinyl window durability and value. Our specialty is custom order vinyl windows and aluminum windows with performance options like low E glass, argon. A replacement window is custom window made to exact measurements and then installed in place of the older window to improve energy saving and update the style of a home. We serve the Dallas Forth-Worth area with AAMA certified windows.