Air Conditioner

FIG. 1 is a perspective view of an air conditioner showing my new design; FIG. 2 is a front view thereof; FIG. 3 is a back view thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a left side view thereof; and, FIG. 8 is an enlarged internal-mechanism-omitted cross-sectional view thereof, taken along line 8 - 8 of FIG. 2 . The broken lines in the drawings illustrate portions of the air conditioner which form no part of the claimed design. The dot-dash broken lines shown in the figures are to indicate a boundary between a claimed design and disclaimed portion, and those are not a part of a claimed design or disclaimed portion.