No matter what type of weather the St. Paul area is experiencing, you can be confident that windows and doors from Pella of St. Paul can handle it. Our products are crafted to be energy efficient. In fact, our ENERGY STAR®-certified windows and doors1 can help reduce 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 climates across North America. Find out more about our energy-saving glass features and technology.