PRE-heat, Inc., specializes in custom industrial air-to-air heat exchangers and packaged heat recovery systems. We have been designing and building industrial, packaged air-to-air heat recovery units for over 40 years. Our custom designed packaged heat exchanger assemblies include our proprietary designed plate type heat exchangers and shell & tube heat exchangers. By adding inlet and outlet plenums, expansion joints, bypass ducts, and dampers, insulation, and cladding, our heat exchanger assemblies meet in the field with our OEM customer’s fume combustion chambers to form a high quality, high efficiency catalytic or thermal recuperative fume incinerator package.