No matter what kind of weather the Roanoke area is dealing with, you can be confident that windows and doors from Pella of Roanoke can deal with it. Our products are designed to be energy efficient. Because of that, our ENERGY STAR®-certified windows and doors1 can help decrease your energy costs. This ENERGY STAR certification is due to our energy-efficient products like double- and triple-pane glass, Low-E coating and glass panes made to perform in specific regions across North America. Learn more about our energy-saving glass options and technology.