Abstract: Methods for treating food are provided. Such methods may include the steps of: a step a) for preparing a closed chamber destined to receive the food to be treated inside it, cold generating devices which include a refrigerator circuit provided with at least one evaporator, heat generating devices which include ventilation elements able to generate a circulation of air affecting the chamber, the evaporator and the heat generating devices being associated with the chamber; and at least one step b) for thermically treating the food inside the chamber supplying and/or removing heat in a controlled manner so as to keep the air temperature of the chamber within a predefined value range ?T1. Devices for carrying out such methods are also provided.