Labels:crt screen | house | keyboard | rock | sculpture | sky | tree OCR: Thermal erformance U-values Summary Although there are ignificant differences in annual energy costs from one location another, the average savings from the use of aluminum-clad wood windows S fairly consistent: 27% to 31% per year VS single- glazed aluminum windows without thermal breaks 6% to 9% per year VS thermally- broken aluminum windows These energy savings are for the building type defined previously The average savings for other building types will differ. Therma Performance alazec oreaks broker definec ouilding
