Automatic, continuous operation tempering machine from melting by bain-marie to tempering by cooling gas with refrigerant compressor. The bowl capacity, which is equipped with a mixer that keeps the chocolate fluid and even and made of stainless steel AISI304, is 25 kg. High precision probes control all temperatures through a specific circuit board. The tempering machine is complete with a heated vibrating table, a flow-stopping pedal for the dosing of the desired quantity of product and an automatic starting timer. Moreover the chocolate flow is adjustable.