Systems for heat leak prevention in refrigerator appliances

A wine cooler appliance, comprising:

• a cabinet, defining an opening, a plurality of racks mounted in the cabinet, a door mounted to the cabinet at the opening;
• a controller;
• a user interface mounted to the cabinet, the user interface configured for signal communication with the controller;
• and
• a divider configured to separate the cabinet into a first cabinet portion and a second cabinet portion, the divider comprising,
• an insulation block comprising at least two recessed portion;
• a top divider cover, mounted to the insulation block, the top cover comprising a top foil heater,
• a bottom divider cover, mounted to the insulation block, the bottom cover comprising a bottom foil heater, and
• a plastic extrusion mounted to a side of the insulation block, the plastic extrusion comprising a gasket track, a seal inserted into the gasket track,
• wherein the top cover and the bottom cover each comprise a forming on at least two sides, the forming of the top and bottom covers engaging the plastic extrusion,
• wherein the forming of the top cover and the bottom cover are on at least two opposing sides of the top cover and the bottom cover, and the forming is u-shaped to restrict movement along two perpendicular directions, and
• wherein the u-shaped forming of the top cover and the bottom cover are on at least two opposing sides of the top cover and the bottom cover, and the other opposing sides of the top cover and the bottom cover comprises an L-shaped forming to restrict movement another direction that is perpendicular to the two perpendicular directions.