Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
OpenStudio employs inheritance for many of its model objects. See this documentation page for a description of how the inheritance works for several common objects.
Long story short, for most building components OpenStudio will first look at the Space, then Space Type, then Story, and finally Building. In some situations, like internal gains, they can indeed be additive.
