VEKA Qualifies First Passive House System
Nov 12th, 2013
VEKA Inc. has announced it has tested and qualified its first vinyl window system with PHIUS (Passive House Institute US). The Evolutions® double hung/slider system is the first vinyl system to meet specifications under PHIUS in the U.S. from a vinyl extruder, according to a company statement. The Evolutions window qualified with a whole-window U-value […]
