To move a room from its original location to a location on another floor

Click the Move icon.
The Move room tool settings appear with the Current floor radio button turned on, and the Floor level check box checked.
Uncheck Floor level lock.
Check Inclusive plenum.
Select the room you want to move with a data point.
Enter another data point to establish the reference point to move relative to.
Prompt area says Enter 1st point.
Select the Destination floor radio button to turn it on, and select the floor to move the room to from the drop-down list provided.
Enter another data point (prompt: Enter 2nd point) to establish the new location. The second data point location is projected on to the target floor.
The room and adjacent plenums are moved from the original floor to the target floor.