The present application thus provides a beverage dispensing system for combining a macro-ingredient flow and a carbonated water flow. The beverage dispensing system may include a nozzle, a carbonated water source in communication with the nozzle via a carbonated water conduit and a carbonated water recirculation conduit, a macro-ingredient source in communication with the nozzle via a macro-ingredient conduit, and a macro-ingredient pump and an air chamber in communication with the macro-ingredient conduit. The carbonated water recirculation conduit is in communication with the air chamber for heat exchange therewith.