The successfull Blowerdoor test in Lozen is fourt in the row. The result is 0.13 h-1 (the maximum allowed for a passive house is 0.6 h-1).
Results of that kind are remarkable for leghtweight structure houses and are the best prerequisite for even lower running costs, as well as being witness to high quality installation job.
4:0 are the sucessfull Blowerdoor test for Studio APXE