Hi, I need help with the Trnsys software, I am a beginner. I need to simulate a building-plant system, I followed the manual instructions and created the 3D with Sketchup, then I imported the model into Simulation and with TRNBuild I entered all the characteristics on the opaque and glazed components. How do I calculate the heating and cooling load of the building? How do I define the operating periods for winter and summer season; people's occupancy; etc? Thank you to those who can help me!