Combined operating cooler comprising: - a refrigerating cell having an internal volume with a lower area and an upper area; - a first temperature detector in said lower area adapted to detect a temperature value (Tb) of said lower area; - a second temperature detector in said upper area adapted to detect a temperature value (Ta) of said upper area; - at least one cold action actuator; - at least one hot action actuator; characterised in that it independently operates in a monotemperature or multitemperature mode, and in that it further comprises: - means for controlling internal temperatures of said refrigerating cell cooperating with said detectors (11, 13) and said actuators (13, 15) for keeping a monotemperature or multitemperature operation in said refrigerating cell by comparing said temperatures (Tb, Ta) with temperature set point values (SP, SP1, SP2) and taking into account a temperature hysteresis in said refrigerating cell, - wherein, in said multitemperature operation, through said control means, said second temperature detector is adapted to control an intervention of said hot action actuator and said first temperature detector is adapted to control an intervention of said cold action actuator; and wherein: - said control means comprise displaying and driving means to select the desired operating mode for said cooler; wherein, in said monotemperature operation mode, - if a mean (Tb + Ta)/2 is greater that said value of a single set point plus an hysteresis value, said control means activate said cold action actuator, both said temperature detectors (11, 13) controlling said cold action actuator; - if a mean (Tb + Ta)/2 is lower than said value of a single set point minus an hysteresis value, said control means activate said hot action actuator, both said temperature detectors (11, 13) controlling said hot action actuator - a refrigerating cell having an internal volume with a lower area and an upper area; - a first temperature detector in said lower area adapted to detect a temperature value (Tb) of said lower area; - a second temperature detector in said upper area adapted to detect a temperature value (Ta) of said upper area; - at least one cold action actuator; - at least one hot action actuator; - means for controlling internal temperatures of said refrigerating cell cooperating with said detectors (11, 13) and said actuators (13, 15) for keeping a monotemperature or multitemperature operation in said refrigerating cell by comparing said temperatures (Tb, Ta) with temperature set point values (SP, SP1, SP2) and taking into account a temperature hysteresis in said refrigerating cell, - wherein, in said multitemperature operation, through said control means, said second temperature detector is adapted to control an intervention of said hot action actuator and said first temperature detector is adapted to control an intervention of said cold action actuator; and wherein: - said control means comprise displaying and driving means to select the desired operating mode for said cooler; - if a mean (Tb + Ta)/2 is greater that said value of a single set point plus an hysteresis value, said control means activate said cold action actuator, both said temperature detectors (11, 13) controlling said cold action actuator; - if a mean (Tb + Ta)/2 is lower than said value of a single set point minus an hysteresis value, said control means activate said hot action actuator, both said temperature detectors (11, 13) controlling said hot action actuator