The ornamental design for an airconditioner, as shown and described.
FIG. 1 is a top, front, and right side perspective view of an air conditioner showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is an additional front elevational view thereof with the broken-line disclosure of the vents in an open position being for illustrative purposes only and forming no part of the claimed design. The other broken-line disclosure in the views shows portions of the article which also form no part of the claimed design.
The broken-line disclosure in the views is understood to represent portions of the article in which the claimed design is embodied, but which form no part of the claimed design.