No matter what manner of weather the Lewes area is facing, you can be sure that windows and doors from Pella of Lewes can deal with it. Our products are built to be energy efficient. Because of that, our ENERGY STAR®-certified windows and doors1 can help lower 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 made to excel in specific climates across North America. Find out more about our energy-saving glass choices and technology.