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 […]