Renewal by Andersen replacement windows and patio doors in Charlotte, NC are met with unmatched beauty, durability, and energy-efficiency which our customers love. Browse our selection of double hung replacement windows, casement windows, sliding windows, bay & bow windows, awning windows, specialty windows and picture window styles. We also offer homeowners in Charlotte, NC various patio door styles including traditional French doors and gliding or sliding patio doors with a wide variety of beautiful hardware, colors, and accessories to match.