Catalina windows® were made to enhance the beauty of your home with features like even site lines and beveled frames. But Catalina windows do a lot more than just look good. Ultra durable MasterBlend vinyl frames make Catalina windows strong and secure. And industry-leading energy efficient insulated dual pane glass systems, make Catalina windows one of the most sought after vinyl replacement windows in the West. Window Replacement in Rancho Cucamonga, Fontana & Chino Hills is made easy with our best brand.