For simple buildings and Legacy Open Studio plugin, buildings, I have done this: In the sketchup file, I creat a new energy plus zone, and simply copy the whole building to the new zone. Once I am sure everything is in the new zone, I delete the original drawing and save as... new name.idf Hope it helps

For simple buildings, I have done this: In the sketchup file, I creat a new energy e negy plus zone, and simply copy the whole building to the new zone. Once I am sure everything is in the new zone, I delete the original drawing and save as... new name.idf zone. Hope it helpshelps.