The ornamental design for a ceilingfanhousing, as shown and described.
FIG. 1 is a perspective view of a ceiling fan housing in accordance with my design;
FIG. 2 is a top plan view of the ceiling fan housing in accordance with my design;
FIG. 3 is a bottom plan view of the ceiling fan housing in accordance with my design;
FIG. 4 is a left-side elevation view of the ceiling fan housing in accordance with my design, the opposite side being a mirror image of that shown; and,
FIG. 5 is a front elevation view of the ceiling fan housing in accordance with my design, the opposite side being a mirror image of that shown.
The broken lines illustrate environmental structure and form no part of the claimed design.
The lighter and closely spaced lines in the drawings are surface shading and are not surface ornamentation.