A drink producing apparatus includes: a dispensing unit for dispensing liquid from the drink producing apparatus, a dispensing container, which is formed for receiving a liquid addable to a drink by the drink producing apparatus in a first liquid state, a conditioning container, in which the liquid can be conditioned into a second liquid state different from the first liquid state, a decompression chamber for pressure reduction of the liquid in the conditioning container, wherein the decompression chamber is connected to the conditioning container by a line part of the line device, a carbon dioxide addition unit for adding carbon dioxide to the liquid, a carbon dioxide line device, which is connected to the carbon dioxide addition unit for leading carbon dioxide from the carbon dioxide addition unit, wherein the carbon dioxide line device is a closed line circuit.

The invention also relates to a household refrigeration apparatus and to a method.