The ship for refrigerated cargo ship or refrigerator (Eng. Reefer, reefership, refrigeratedship) species has specialized cargo ship, specially constructed and equipped with a cooling system and isolated storage. Transporting lakopokvarljive cargo, mainly: fruit, meat, fish, vegetables, dairy and other food products [1]. These products require transport under strict conditions of housing, temperature, air exchange, atmospheric humidity and the very life of the transport phase. Frequent load that sets the particular concerns are bananas, for which they established a special transport ships known as bananonosci (Eng. Banana carrier). . Cooling systems refrigerator ships are carried out as systems with direct cooling or indirect cooling systems. Ventilated warehouse outlets heat that penetrates into it from the outside, the heat that gives itself the burden of cooling to the required temperature, heat generated by metabolic processes and heat from the fan, heater defroster, lighting, fresh air entering the warehouse, etc. Materials used for the construction of the cooling system must be resistant to corrosion in the cooler and compressor oils and the combination of this dva.Izolacijski material must be durable at the operating temperatures and temperature changes.