Gas dehumidification apparatus comprising: a first heat exchanger, which comprises a first fluid line and a second fluid line, wherein the second fluid line at least sectionally surrounds the first fluid line; and a second heat exchanger, which comprises a first fluid line and a second fluid line, wherein the second fluid line at least sectionally surrounds the first fluid line, characterized in that the first heat exchanger is configured to thermally couple a fluid to be dehumidified that is situated in the second fluid line of the first heat exchanger to a first cooling medium on an outer side of the second fluid line of the first heat exchanger, wherein the first heat exchanger is provided with cooling ribs which enlarge a surface of the outer side of the second fluid line, the second heat exchanger is configured to thermally couple a fluid to be dehumidified that is situated in the second fluid line of the second heat exchanger to a second cooling medium on an outer side of the second fluid line of the second heat exchanger, wherein the second heat exchanger is provided with cooling ribs which enlarge a surface of the outer side of the second fluid line, and the gas dehumidification apparatus furthermore comprises: a line which carries a fluid, wherein the fluid has a higher temperature than the first and/or second cooling medium, a valve which can assume two positions, wherein, in a first of the two positions, the fluid carried by the line is conducted into the first fluid line of the first heat exchanger and, in a second of the two positions, the fluid is conducted into the first fluid line of the second heat exchanger; and a controller which is configured to selectively move the valve into the first or second position. a first heat exchanger, which comprises a first fluid line and a second fluid line, wherein the second fluid line at least sectionally surrounds the first fluid line; and a second heat exchanger, which comprises a first fluid line and a second fluid line, wherein the second fluid line at least sectionally surrounds the first fluid line, characterized in that the first heat exchanger is configured to thermally couple a fluid to be dehumidified that is situated in the second fluid line of the first heat exchanger to a first cooling medium on an outer side of the second fluid line of the first heat exchanger, wherein the first heat exchanger is provided with cooling ribs which enlarge a surface of the outer side of the second fluid line, the second heat exchanger is configured to thermally couple a fluid to be dehumidified that is situated in the second fluid line of the second heat exchanger to a second cooling medium on an outer side of the second fluid line of the second heat exchanger, wherein the second heat exchanger is provided with cooling ribs which enlarge a surface of the outer side of the second fluid line, and the gas dehumidification apparatus furthermore comprises: a line which carries a fluid, wherein the fluid has a higher temperature than the first and/or second cooling medium, a valve which can assume two positions, wherein, in a first of the two positions, the fluid carried by the line is conducted into the first fluid line of the first heat exchanger and, in a second of the two positions, the fluid is conducted into the first fluid line of the second heat exchanger; and a controller which is configured to selectively move the valve into the first or second position. a line which carries a fluid, wherein the fluid has a higher temperature than the first and/or second cooling medium, a valve which can assume two positions, wherein, in a first of the two positions, the fluid carried by the line is conducted into the first fluid line of the first heat exchanger and, in a second of the two positions, the fluid is conducted into the first fluid line of the second heat exchanger; and a controller which is configured to selectively move the valve into the first or second position.