I used Openstudio to model a complex building with different floor plans and then added plenum space at each floor followed by arranging them in the correct order.

• >Intersect model
• >surface match.

Following these steps generated a non-uniform boundary conditions properties in the model subsurfaces.

The surface at the bottom of each plenum shows outside and default back when I try to change it to the surface.

2nd question: as I created each floor and plenum separately and then sandwiched them into a building prior to matching the entire model. The floor is identified as 'Building Story 1'. What can be a quick way to reorganize the spaces?

I used Openstudio to model a complex building with different floor plans and then added plenum space at each floor followed by arranging them in the correct order.

• >Intersect model
• >surface match.

Following these steps generated a non-uniform boundary conditions properties in the model subsurfaces.

The surface at the bottom of each plenum shows outside and default back when I try to change it to the surface.

I used Openstudio to model a complex building with different floor plans and then added plenum space at each floor followed by arranging them in the correct order.

• >Intersect model
• >surface match.

Following these steps generated a non-uniform boundary conditions properties in the model subsurfaces.

The surface at the bottom of each plenum shows outside and default back when I try to change it to the surface.

I used Openstudio to model a complex building with different floor plans and then added plenum space at each floor followed by arranging them in the correct order.

• >Intersect model
• >surface match.

Following these steps generated a non-uniform boundary conditions properties in the model subsurfaces.

The surface at the bottom of each plenum shows outside and default back when I try to change it to the surface.