Disclosed is a beverage dispenser including a housing having a beverage storage space capable of storing a volume of a beverage to be dispensed and a heat exchanger sub-system operable to effect the temperature of a beverage stored in or passing through the beverage storage space. The housing is provided with at least one wall through which beverage in the beverage storage space can be visualized. The dispenser includes a coupling enabling the coupling of a valve to facilitate dispensing of beverage from the beverage storage space.