The ornamental design for a ceilingfanhousing, as shown and described.
FIG. 1 is a bottom perspective view of a ceiling fan housing in accordance with my design;
FIG. 2 is a reduced top plan view of the ceiling fan housing in accordance with my design;
FIG. 3 is a reduced bottom plan view of the ceiling fan housing in accordance with my design;
FIG. 4 is an enlarged front elevation view of the ceiling fan housing in accordance with my design;
FIG. 5 is an enlarged back elevation view of the ceiling fan housing in accordance with my design; and,
FIG. 6 is an enlarged side elevation view of the ceiling fan housing in accordance with my design, the opposite view being a mirror image of that shown.
The broken line showing of the canopy, hanger, apertures in the top cover of the housing, support rod, blades, blade irons and switch housing is included for the purpose of illustrating environmental structure and forms no part of the claimed design.