Industrial Grade Recuperator System is a heat recovery system which can be installed on exhaust path and can pre-heat the combustion air to the tune of 250° C to 300Deg; C. The Recuperator System helps the preheated combustion gases to be used along with the fuel as combustion fuel mixer. The Recuperator System is designed to air and fuel ratio which is selected according to air or fuel ratio the shell and tube type. Industrial Grade Recuperator System comes with carbon content and can be availed in different ranges to suit the specific requirement.