Another interesting Revit and Passivhaus integration here on Gregory Duncan’s blog: “Revit and PHPP: Getting BIM and Energy Modeling Software to Work Together
PHPP—the energy modeling software for the Passive House energy-efficiency standard—requires users to input wall areas calculated to the exterior of the thermal boundary. By default Revit does not calculate wall areas this way. Gregory Duncan Architect created a workaround to create a wall schedule that can export meaningful information to PHPP ..”