Windows of Wisconsin is a trusted door replacement company and window replacement expert serving Green Bay, Appleton, and communities throughout Northeast Wisconsin. We specialize in high-quality replacement windows Wisconsin homeowners rely on, along with premium patio doors Green Bay residents trust for durability and style.

Our team provides expert window installation Appleton homeowners can count on, delivering energy-efficient solutions designed to handle Wisconsin’s harsh climate. From custom replacement windows to patio doors and entry doors, we offer products that improve comfort, boost curb appeal, and enhance long-term home performance.