FIG. 1 is a front, bottom and right side perspective view of an air conditioner, showing a first embodiment of 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;
FIG. 8 is an enlarged vertical cross-sectional view thereof; taken along line 8-8 of FIG. 2, with the broken-line disclosure of the internal system understood to form no part of the claimed design;
FIG. 9 is an enlarged partial view of the sensors of the front elevational view of FIG. 2;
FIG. 10 is a front, bottom and right side perspective view of an air conditioner, showing a second embodiment of our new design;
FIG. 11 is a front elevational view thereof;
FIG. 12 is a rear elevational view thereof;
FIG. 13 is a left side elevational view thereof;
FIG. 14 is a right side elevational view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a bottom plan view thereof;
FIG. 17 is an enlarged vertical cross-sectional view thereof; taken along line 17-17 of FIG. 11, with the broken-line disclosure of the internal system understood to form no part of the claimed design; and,
FIG. 18 is an enlarged partial view of the sensors of the front elevational view of FIG. 11.