No matter what kind of weather the Winston-Salem area is experiencing, you can be certain that windows and doors from Pella of Winston-Salem can handle it. Our products are built to be energy efficient. Because of that, our ENERGY STAR®-certified windows and doors1 can help reduce your energy costs. This ENERGY STAR certification is a result of our energy-efficient products like double- and triple-pane glass, Low-E coating and glass panes designed to excel in specific weather areas across North America. Discover more about our energy-saving glass options and technology.