Modify the Room Calculation Point

To make a family room-aware and adjust its room orientation, enable and move the Room Calculation Point.

Select the family instance in the drawing area.
Click Modify | <Element> tab Mode panel Edit Family.
In the Family Editor, open a floor plan view of the family.
On the Properties palette, select the Room Calculation Point parameter in the Other section. The point is now visible in the drawing area as a green dot.
Select the Room Calculation Point and move it to a location that will not be obscured by geometry when placed in the project.

Note: If the family needs Room Calculation Point adjustment in the Z-axis, open an elevation or 3D view to access movement controls. Relocate the point similarly.
Click Modify tab Family Editor panel Load into Project.