If you're thinking of replacing your old windows, you've probably come across Renewal by Andersen,     a well known name in the industry. They are known for their energy-efficiency, high quality and expert installation. But how much do these windows really cost? Let’s take a closer look at what affects the price and see is it worth? A spacious, elegantly furnished living room features expansive Andersen windows, allowing natural light to illuminate the space while offering a