A machine compartment assembly for an appliance cabinet includes a fascia that is configured to engage said appliance cabinet. The fascia includes an upper portion that defines a plurality of slots along a length of the upper portion. The fascia also includes a first side flange that is operably coupled to the upper portion and a second side flange that is operably coupled to the upper portion. The first side flange and the second side flange each define a slit. A divider wall is proximate to the fascia. The divider wall includes a wall body that has an outer edge and defines a warm air zone and a cool air zone. The divider wall also includes a gasket is operably coupled to the outer edge of the wall body.