Marvin windows are designed for unprecedented performance and exceptional aesthetics. Our expansive window portfolio offers everything from classic double hungs to a full line of hurricane impact rated products. We offer industry-leading sizes, and our innovative window solutions deliver virtually endless style options. Marvin windows are crafted with the highest quality material, and the ability to mix and match ac ross product lines will allow you to achieve the right form and function for your residential, commercial, replacement, and coastal needs.ng window is our best-selling replacement window and is an excellent choice for any replacement window project.