An aircraft galley cart compartment comprising: a cart compartment outer case having a rear and side walls; a cart compartment vent assembly comprising cart compartment vents; a point-of-use air chiller unit mounted at the rear wall of the aircraft galley cart compartment, the air chiller unit being enclosed with a case which is a generally flattened rectangular case comprising two main surfaces having a substantially larger surface area than four remaining surfaces of the case, the air chiller unit further comprising: an air-cooled condenser; a compressor; an evaporator; an evaporator fan; a first unsealed wall partition within the case that separates the condenser from the compressor; and a second generally sealed wall partition within the case that separates the evaporator from the compressor and condenser; wherein the condenser, compressor, and evaporator are connected in a standard refrigeration manner; and wherein a plane parallel to the main surfaces passes through the condenser, the compressor, the evaporator, and the evaporator fan; the aircraft galley cart compartment further comprising upper and lower ducts (52a, 52b) that are respectively connected on one end to the chiller unit for air supply and return air, and connected on an other end to the cart compartment vent assembly. a cart compartment outer case having a rear and side walls; a cart compartment vent assembly comprising cart compartment vents; a point-of-use air chiller unit mounted at the rear wall of the aircraft galley cart compartment, the air chiller unit being enclosed with a case which is a generally flattened rectangular case comprising two main surfaces having a substantially larger surface area than four remaining surfaces of the case, the air chiller unit further comprising: an air-cooled condenser; a compressor; an evaporator; an evaporator fan; a first unsealed wall partition within the case that separates the condenser from the compressor; and a second generally sealed wall partition within the case that separates the evaporator from the compressor and condenser; wherein the condenser, compressor, and evaporator are connected in a standard refrigeration manner; and wherein a plane parallel to the main surfaces passes through the condenser, the compressor, the evaporator, and the evaporator fan; the aircraft galley cart compartment further comprising upper and lower ducts (52a, 52b) that are respectively connected on one end to the chiller unit for air supply and return air, and connected on an other end to the cart compartment vent assembly. an air-cooled condenser; a compressor; an evaporator; an evaporator fan; a first unsealed wall partition within the case that separates the condenser from the compressor; and a second generally sealed wall partition within the case that separates the evaporator from the compressor and condenser; wherein the condenser, compressor, and evaporator are connected in a standard refrigeration manner; and wherein a plane parallel to the main surfaces passes through the condenser, the compressor, the evaporator, and the evaporator fan; the aircraft galley cart compartment further comprising upper and lower ducts (52a, 52b) that are respectively connected on one end to the chiller unit for air supply and return air, and connected on an other end to the cart compartment vent assembly.