The Window Factory is one of San Diego's leading replacement vinyl window manufacturer that sells upgraded vinyl windows factory direct to the homeowner.

Our replacement vinyl framed, insulated glass windows are Energy Star® compliant, which help to lower those rising energy costs. At The Window Factory, we offer upgraded replacement vinyl windows, patio doors, entry doors, french doors, vinyl siding, garden windows, bay windows, pet doors and our proven tough House Armor increased security windows. Feel free browse our custom Door Catalog.

Our Energy Star compliant replacement vinyl window products and quality doors are custom installed professionally by our factory trained replacement vinyl window installers, which will make this home upgrade add beauty to your home and increase its value.

As a San Diego based award winning custom window manufacturer, you can count on us to build, sell, and install direct to the public double pane vinyl windows, Bay & Bows Windows, Vinyl Framed Windows, Marquise Prism Grids, Standard Flat Grids, Double Pane Glass, Insulated Glass, Sound Resistant Glass, Break Resistant Glass, Double Strength Glass, Custom Steel & Fiberglass Entry & French Doors, Decorative Triple Pane and Obscure Glass products.

The Window Factory was asked to “Flip That House.” For this popular TLC television program, watch how we helped 2 brothers transform 1 house in just 4 weeks! Click here for more information.