The ornamental design for a façade for a window-mounted air conditioner, as shown and described.
FIG. 1 is a front elevation view of a façade for a window-mounted air conditioner, in accordance with my new design;
FIG. 2 is a rear elevation view of the façade for a window-mounted air conditioner shown in FIG. 1;
FIG. 3 is a top plan view of the façade for a window-mounted air conditioner shown in FIG. 1;
FIG. 4 is a bottom plan view of the façade for a window-mounted air conditioner shown in FIG. 1;
FIG. 5 is a side elevation view of the façade for a window-mounted air conditioner shown in FIG. 1, taken from the right side of FIG. 1, the side elevation view taken from the left side of FIG. 1 being the mirror image thereof; and,
FIG. 6 is a front perspective view of the façade for a window-mounted air conditioner shown in FIG. 1, showing the façade as installed on an air conditioner mounted in a window.
The phantom lining illustrates environmental structure that forms no part of the claimed design.