Evaporators are one of the main elements of cooling systems that act as evaporators. The refrigerant present in the system enters the evaporator channels in liquid form and exits in gaseous form. The reason for the refrigerant entering the liquid state to become gas is because it has met with heat. When it starts to absorb heat from the environment, evaporation begins to occur. In other words, the liquid fluid starts to turn into gas and the cooling process is realized. In cooling processes, different sizes of designed (evaporator) evaporators are produced depending on the type of refrigerant, working conditions, circulation method of the air or liquid to be cooled, control type of the refrigerant and application area. The factors that are considered in the production of evaporators are that they are produced from corrosion resistant materials. Pipes are made of steel in systems with ammonia, aluminum, copper or brass in systems with freon. The long-lasting use of evaporators is possible by paying attention to their cleaning and performing their periodic maintenance without interruption.