Enthalpy of The Vapour Refrigerant at T4 is usually measured using the Kilojoule per Kilogram[kJ/kg] for Heat of Combustion (per Mass). Joule per Kilogram[kJ/kg], Calorie (IT) per Gram[kJ/kg] are the few other units in which Enthalpy of The Vapour Refrigerant at T4 can be measured.