The Window Source of Chicago

At Window Source Chicago, we specialize in helping homeowners improve comfort and efficiency with professional window and door installations. Located at 2715 Curtiss St in Downers Grove, we serve the entire Chicagoland area with solutions built to last. Our wide selection of energy-efficient windows including sliding and custom styles not only beautify your home but also help reduce energy bills year-round. We pair top-quality products with expert installation to ensure your home is properly sealed, secure, and protected against the elements. Beyond windows, we also provide door installation services, giving your entryways a fresh, stylish, and durable upgrade. With years of experience, we know how to make the process simple, stress-free, and tailored to your needs. When you choose Window Source Chicago, you’re choosing comfort, value, and long-term performance. Trust us to transform your home with products designed to shine for decades.