The present invention relates to 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. The present invention also relates to 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.

Title
Method for heating and/or air conditioning a vehicle
Application Number
13/129240
Publication Number
20110219792
Application Date
November 18, 2009
Publication Date
September 15, 2011
Inventor
Wissam Rached
Assignee
Arkerna France
IPC
F25B 29/00
C09K 05/04
F25B 30/02
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