Use the check box to specify whether to enable load calculations for loads in spaces.
Running calculations may slow system response.
- Load Classifications - Click this button to open the Load Classifications dialog. See Load Classifications.
- Demand Factors - Click this button to open the Demand Factors dialog. See Demand Factors.
- Run calculations for loads in spaces - Since calculations of loads on space may slow system response, you can disable calculations to improve performance.
- Apparent load calculation method - Specifies how Revit sums electrical loads: Sum true load and reactive load or Sum apparent load. The selected method applies to all loads, circuits, and panels in the model.