The indoor unit can be mounted on any outside wall--a 2-3/4" diameter hole is all that's needed for connecting the two units. A mini-split opens the view from a window that might otherwise be blocked by a window air conditioner. Single zone ductless mini-splits are UL and C-UL listed
36,000 BTU Cool Only. Wall mount. Includes (1) outdoor unit and (3) indoor units. 12,000 BTU each. 208/230V. R410A.