A heat transfer composition, comprising: (i) from about 10 to about 95% by weight of trans-1,3,3,3-tetrafluoropropene (R-1234ze (E)); (ii) from about 4 to about 30% by weight of carbon dioxide (R-744); and (iii) from about 3 to about 60% by weight of a third component comprising difluoromethane (R-32) and having a critical temperature greater than about 70 ° C.Una composición de transferencia de calor, que comprende: (i) de aproximadamente el 10 a aproximadamente el 95 % en peso de trans-1,3,3,3-tetrafluoropropeno (R-1234ze(E)); (ii) de aproximadamente el 4 a aproximadamente el 30 % en peso de dióxido de carbono (R-744); y (iii) de aproximadamente el 3 a aproximadamente el 60 % en peso de un tercer componente que comprende difluorometano (R-32) y que tiene una temperatura crítica mayor de aproximadamente 70 ºC.