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