Hello! I would like to share with you what I have being doing with IFC. I created a basic room model in Autodesk Revit which consists of four walls, two floors and a door opening. I exported an IFC 4 Design Transfer View, with 2nd level Space Boundaries, including the Revit Property Sets and the IFC common property sets. By the use of an IFC viewer, I noticed that this file contains properties such as Heat Transfer Coefficient (U), Thermal mass and Thermal Resistance (R) which are relevant to my...