Our Replacement Window Styles


All Comfort World Windows from Window World of Northwest Pennsylvania are custom crafted from the highest quality 100% virgin vinyl, and feature beautiful, traditional window designs offered only by Window World of Northwest Pennsylvania. Our beautiful replacement windows are customizable with a wide variety of options and upgrades, styles, and color choices. Unlike our competitor’s windows, Window World Comfort World windows feature movable upper and lower sashes which slide up and tilt in for simple and quick cleaning. Because our various styles of replacement windows match well with most any architectural style, they are the preferred choice for homeowners across Pennsylvania.

Your home’s new Comfort World windows will be energy-efficient, and are covered by our lifetime limited warranty. Schedule your free in-home demonstration with our friendly and experienced Window World of Northwest Pennsylvania professionals to find out which Window World window is the best fit for your Erie home.