Posts Tagged ‘ thermal performance ’

U-Values May be Superior in Europe, but as Experts Say, It’s Complicated

Mar 3rd, 2014

With glass performance for energy efficiency being comparable in the U.S. and Europe, window frames on this side of the Atlantic have been eyed as underperforming on the U-value front as compared to those in Europe. But the reason for—and even the very premise of underperformance—is complicated, say experts. As for the why, one general [...]