Heating system for cold drink apparatus and methods of use

An cold drink system comprising:

• at least one beverage hopper having at least one wall defining an interior volume for retaining a quantity of beverage product in solution for chilling to at least a partially frozen condition and dispensing therefrom;
• a drum contained within the beverage hopper, the drum having a wall defining a cavity therein separated from the interior volume of the hopper, the drum wall having an outside surface configured to contact the beverage solution retained in the interior volume of the beverage hopper;
• an auger configured to move relative to the outside surface of the drum to remove at least partially frozen beverage product from the outside surface when the beverage product is chilled;
• and
• a temperature control assembly, the temperature control assembly including:
• a cooling system for controllably cooling the beverage product to at least a partially frozen condition;
• and
• a heating system for controllably raising the temperature of the partially frozen beverage product;
• wherein the cooling system and the heating system are retained within the cavity of the drum and configured to change the temperature of the outside surface of the drum to control the temperature of the beverage product.