A machine for producing and dispensing products such as ice cream, frozen beverages or granita comprises a transparent product container which is provided with a tap for dispensing the product and which contains an evaporator of a refrigerating circuit or cooling the product in the container and a mixer element for stirring the product. The machine comprises means for diffusing a thin stream of moving air over the outer walls of the container. These air diffusion means may comprise a fan which emits an air flow inside a diffuser element which is arranged above the container and which defines a mouth around the top of the container and blows downwards the thin stream of air onto the outer walls of the container. The diffuser element may be advantageously formed in the lid the container.
