Ergonomic calorie-/frigorie-storage device

A device for storage of heat/cold by transfer from a fluid, known as a charge fluid, for subsequent reuse by transfer to a fluid, known as a discharge fluid, the device comprising:

• a rigid external container forming walls of the device;
• a rigid storage module arranged inside the external container and comprising a rigid internal container forming walls of the storage module, and a storage assembly arranged inside the internal container designed for storage of the calories/frigories;
• a cold external interface arranged on one of the walls of the external container and in communication with a cold internal interface arranged on the storage module, the cold external and internal interfaces ensuring the passage of so-called cold fluids between the cold external interface and the storage module;
• a hot external interface arranged on one of the walls of the external container and in communication with a hot internal interface arranged on the storage module, the hot external and internal interfaces ensuring the passage of so-called hot fluids having a temperature greater than a temperature of the so-called cold fluids, between the hot external interface and the storage module;
• the hot and cold external interfaces being arranged on a single wall or on two adjacent walls among the walls of the external container.