Rail vehicle (TZ), at least having: - an energy store (TB) in which electrical energy can be stored in order to supply a traction facility (TE), - a cooling facility (KUE), which is arranged in a coolant circuit (KUM) and is used to cool the energy store (TB), wherein a liquid coolant can be circulated in the coolant circuit (KUM), - a refrigeration facility (KAE) with a first refrigerant circuit (KAM1) in which a refrigerant can be circulated, - a first heat exchanger (WT1), which is arranged in the coolant circuit (KUM) and in the first refrigerant circuit (KAM1) and in which the coolant can be cooled by means of the refrigerant, - an air-conditioning facility (KLE) with a second heat exchanger (WT2), wherein a space (FS, FR) which can be used by at least one person can be air-conditioned by means of a forced flow of air-conditioning air guided through the second heat exchanger (WT2), and - a control facility (STE), wherein the second heat exchanger (WT2) is arranged exclusively in the coolant circuit (KUM) and, in the flow direction of the coolant, is arranged downstream of the first heat exchanger (WT1), characterised in that the refrigeration facility (KAE) further has: - a second refrigerant circuit (KAM2), in which a refrigerant can be circulated, and - a sixth heat exchanger (WT6), which is arranged in the coolant circuit (KUM) and in the second refrigerant circuit (KAM2) and in which the coolant can be cooled by means of the refrigerant in the second refrigerant circuit (KAM2). - an energy store (TB) in which electrical energy can be stored in order to supply a traction facility (TE), - a cooling facility (KUE), which is arranged in a coolant circuit (KUM) and is used to cool the energy store (TB), wherein a liquid coolant can be circulated in the coolant circuit (KUM), - a refrigeration facility (KAE) with a first refrigerant circuit (KAM1) in which a refrigerant can be circulated, - a first heat exchanger (WT1), which is arranged in the coolant circuit (KUM) and in the first refrigerant circuit (KAM1) and in which the coolant can be cooled by means of the refrigerant, - an air-conditioning facility (KLE) with a second heat exchanger (WT2), wherein a space (FS, FR) which can be used by at least one person can be air-conditioned by means of a forced flow of air-conditioning air guided through the second heat exchanger (WT2), and - a control facility (STE), the second heat exchanger (WT2) is arranged exclusively in the coolant circuit (KUM) and, in the flow direction of the coolant, is arranged downstream of the first heat exchanger (WT1), characterised in that the refrigeration facility (KAE) further has: - a second refrigerant circuit (KAM2), in which a refrigerant can be circulated, and - a sixth heat exchanger (WT6), which is arranged in the coolant circuit (KUM) and in the second refrigerant circuit (KAM2) and in which the coolant can be cooled by means of the refrigerant in the second refrigerant circuit (KAM2). - a second refrigerant circuit (KAM2), in which a refrigerant can be circulated, and - a sixth heat exchanger (WT6), which is arranged in the coolant circuit (KUM) and in the second refrigerant circuit (KAM2) and in which the coolant can be cooled by means of the refrigerant in the second refrigerant circuit (KAM2). <EOS>