Posts tagged with "energysaving"



03. December 2014
A huge Irish window manufacturer is not getting tired of screaming out the supply of 5 passive house certified window systems. That sounds great, but what does it mean? Unfortunately it means only that the passive house certified window system meets the criterias for a passive house window as tested in the laboratory. One important point was absolutely not mentioned or tested for the certification - the proper fitting. To get an idea how important the fitting is, just have a look on the photo...