Heat exchangers are a crucial piece of any application that involves heat transfer. In residential buildings heat exchangers can be found in radiant floor applications, pools, or domestic drinking water applications. In commercial buildings, heat exchangers are used for free cooling applications, chiller and heater loops and district energy. In Industrial and Process applications, heat exchangers are found in areas such as steam plants transferring heat from steam to water. They are also used in the refrigeration cycle as evaporators and condensers in chillers to save space and improve efficiency.