Air Conditioner

FIG. 1 is a front perspective view of an air conditioner, showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left-side view thereof; FIG. 5 is a right-side view thereof; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; FIG. 8 is an enlarged view of the encircled portion 8 in FIG. 1 ; FIG. 9 is an enlarged view of the encircled portion 9 in FIG. 1 ; FIG. 10 is an enlarged view of the encircled portion 10 in FIG. 2 ; and, FIG. 11 is an enlarged view of the encircled portion 11 in FIG. 6 . The even-dash broken lines illustrating portions of the air conditioner form no part of the claimed design. The dot-dot-dash broken lines encircling enlargement portions of the claimed design form no part of the claimed design.