A mobile galley cart including a wheeled insulated housing having a door configured to open to access to the interior of the housing, a thermoelectric chiller mounted near the bottom of the cart, cold air ducting in fluid communication with the thermoelectric chiller and opening to the interior of the housing, and warm air ducting including a warm air exhaust arranged to exhaust warm air from the mobile galley cart. A mobile galley cart system including a cart configured to dock at a separate service wall to provide service connections therebetween.