Juliane, I think it is recommended to use the dimensions of the wall's centerline. The Trnsys3D representation of the building is a wire-frame model. The walls don't have any actual thickness as far as the graphical model is concerned. Kind regards, David On 11/30/2011 06:16, Juliane Weidhaus wrote: Hallo, -- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |