The ornamental design for a housing for aircompressor, as shown and described.
FIG. 1 is a front and upper perspective view of a housing for air compressor showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a front and bottom perspective view thereof;
FIG. 9 is a rear perspective view thereof;
FIG. 10 is a front and upper perspective view thereof, the openings and the ribs or protrusions depicted by means of broken lines being for illustrative purposes only and forming no part of the claimed design; and,
FIG. 11 is a rear perspective view thereof, the openings depicted by means of broken lines being for illustrative purposes only and forming no part of the claimed design.