Labels:crt screen | hakham | monitor | plant | sky | tree OCR: Thermal Performance U-values Total Unit U-values for the entire wndow include both the frame and glass Frame Total Unit The range for aluminum windows with thermal breaks 15 from 0.35 (triple Type U-value lazing with low-E coatings) to0 .64 (doub glazing with clear glass For aluminum-clad pooM windows the 0.35 to 0.64 range 19 from 0.25 (triple glazing with low-E coatings) to0.53 doube gl glazing with clear glass 0.25 to 0.53 The glass IS the same the difference in U-values a result ofa change in the frame mai terial Source 2001 ASHRAE Fundamentals Handbook Chapter 30 Fenestration Therma window ndows Fund amentals
