A method for assembling a cooling apparatus having a cabinet which houses an inner casing defining at least one compartment for the storage of products to be cooled and one or more objects configured to be connected to the inner casing. The method includes: providing the inner casing; automatically univocally identifying the model of the inner casing among various known inner casing models by using a detecting device and performing a step of connecting the one or more objects to the inner casing based on the model of inner casing identified in the identifying step.