Technology The core of the Pleat technology is the patented pleated element, which has unique features within heat exchanging and evaporation, and solves the most challenging and costly problems within its field. What is a Pleat Cooler? The Pleat Cooler is a unique, maintenance friendly heat exchanger suitable for a wide range of industrial applications. Pleat Cooler VS Plate Heat Exchanger(PHE) Pleat Cooler has unique features that simplify the cleaning and maintenance. - Make it Easy on the crew and easy on the budget. The Pleat core element The Pleat core element is the working thermal barrier and transfer device, which has been made functional by the enclosing composite frames. Thermal capacities Pleat Coolers has proven thermal performance equal to top brand plate heat exchangers, but at a lower pressure loss. Pleat patents The Pleat technology is patented at both the unique core pleated element, and the enclosed frames providing the essential functionalities as sealing, process interface etc.