| abstract |
A method for heating and/or air conditioning the passenger compartment of an automobile using a reversible cooling loop containing a refrigerant including 2,3,3,30-tetrafluoropropane and at least one compound chosen from among propane, propylene and ethylene. Said method is particularly suitable when the outside temperature is lower than −20° C. The method is also suitable for hybrid automobiles, which are designed to operate in alternation between a heat engine and an electric engine, as well as for electric vehicles. A composition including 2,3,3,3-tetrafluoropropane and at least one compound chosen from among propylene and ethylene, suitable for being used for refrigeration, air conditioning and heating. |