Ngokusekwe kulwakhiwo lweekhemikhali, iifriji ze-industrial chiller zinokwahlulwa zibe ziindidi ezi-5: iifriji ze-inorganic compound, i-freon, i-saturated hydrocarbon refrigerants, iifriji ze-hydrocarbon ezingaxutywanga, kunye ne-azeotropic mix refrigerants. Ngokoxinzelelo lwe-condensing, iifriji ze-chiller zingahlelwa kwiindidi ezi-3: i-high-temperature (i-low-pressure) ifriji, i-medium-high (i-medium-pressure) ifriji, kunye ne-low-high (high-pressure) iifriji. Iifriji ezisetyenziswa kakhulu kwimizi-mveliso yokupholisa yi-ammonia, i-freon, kunye ne-hydrocarbons.