The heat exchangers are essential components in air-conditioning installations in civil facilities and in the thermoregulation of industrial installations in which there is an exchange of thermal energy between two fluids at different temperature levels. In general a heat exchanger does not produce energy, but is a means of allowing the transit of thermal energy from one fluid to a temperature level of another that is located at a different level

Brazed heat exchangers are a type of heat engine versatile, with highly efficient heat transfer and suitable for every kind of application and need: in cooling systems, chillers and free coolers, industrial applications for pasteurization, heat pumps, food industry , recovery of waste heat, machine tools, lubrication systems for cooling hydraulic oil. They are made up of a pack of corrugated plates without gaskets, welded together by brazing copper in a vacuum furnace. Its advantages are pressures, high temperatures and reduced dimensions.