The invention relates to compositions containing 2,3,3,3-tetrafluoropropene and to the uses thereof as heat transfer fluid, expansion agents, solvents and aerosol. The invention specifically relates to compositions essentially containing between 15 and 50 wt. % of 2,3,3,3-tetrafluoropropene, between 5 and 40 wt. % of HFC-134a and between 45 and 60 wt. %, preferably between 45 and 50 wt. %, of HFC-32.