Soft-Lite manufactures the highest-performing replacement windows and sliding patio doors in the industry. What does that mean, exactly? It means that when you have our vinyl windows installed in your home, you know that you will never have to purchase new windows again. It also means that your windows and sliding patio doors will help significantly reduce heating and cooling costs. And it means that the materials and craftsmanship of your Soft-Lite vinyl windows and doors are under warranty for life, even if you sell your home.