Methods and systems are provided for mixing and heat exchange of fluids. In one example, a fluid mixing and heat exchange device includes a hot water tank, a mixing chamber spaced away from the hot water tank and fluidly coupled to a first liquid reservoir, a first chilling module fluidly coupled to the mixing chamber, a coolant tank fluidly coupled to the first chilling module, a radiator fluidly coupled to the coolant tank, and a dispensing manifold fluidly coupled to the mixing chamber and adapted to dispense a mixed and chilled fluid mixture to a plurality of fluid vessels.