Revit Architecture
Revit MEP
Revit Structure
When performing an energy analysis on a conceptual model, you can change the space types and condition types assigned to one or more selected zones.

Conceptual Mass panel
Show Mass Zones and Shades 
Conceptual Mass panel
Show Mass Zones and Shades 
Conceptual Mass panel
Show Mass Zones and Shades When you analyze the conceptual model, the resulting analysis uses the assigned space types and condition types for the selected zones.