The ornamental design for a ceilingfanhousing, as shown and described.
FIG. 1 is a perspective view of the ceiling fan housing showing our new design in use;
FIG. 2 is an enlarged top plan view of the ceiling fan housing in accordance with my design;
FIG. 3 is an enlarged bottom plan view of the ceiling fan housing in accordance with my design; and,
FIG. 4 is an enlarged side elevation view of the ceiling fan housing in accordance with my design, all sides being a mirror image of that shown.
The broken line showing of the ceiling fan blades, blade irons, support rod and light fixture is included for the purpose of illustrating environmental structure and forms no part of the claimed design.