A dispenser comprising a liquid supply and a cooling reservoir, the cooling reservoir having an entry port and an exit port. The cooling reservoir is shaped so as to position a pocket of air at the top of the reservoir when the reservoir contains liquid, and the entry port communicates with the air pocket. The dispenser has a conduit connected on one end to the liquid supply and on the other end to the entry port of the cooling reservoir. The dispenser further comprises a cooling element disposed inside the cooling reservoir and a first pump for moving the liquid from the liquid supply to the cooling reservoir through the conduit.
