A modular heat exchange tower (100, 200) extending vertically along a longitudinal axis, comprising: a first module (110, 210), wherein the first module (110, 210) comprises a first heat exchange portion (130, 230); a second module (114, 214), wherein the second module (114, 214) comprises a second heat exchange portion (132, 232); a plenum module (112, 212); a basin; and a fan module (122, 222), wherein said fan module (122, 222) comprises an air current generator (106, 206) having at least one fan blade that extends over said first module (110, 210), wherein the modular heat exchange tower further comprises: a third module (120, 220), wherein the third module (120, 220) is positioned vertically adjacent to the first module (110, 210) along the longitudinal axis; a fourth module (124, 224), wherein the fourth module (124, 224) is positioned vertically adjacent to the second module (114, 214) along the longitudinal axis; a fifth module (122, 222); wherein the first heat exchange portion (130, 230) is further disposed in the third module (120, 220); the second heat exchange portion (132, 232) is further disposed in the fourth module (124, 224); wherein the fifth module is the fan module (122, 222) and the first module (110, 210) is a first collection basin module (110, 210), the second module (114, 214) is a second collection basin module (114, 214), the third module (120, 220) is a first heat exchange module (120, 220) and the fourth module (124,224) is a second heat exchange module (124, 224), characterised in that the fifth module (122, 222) is disposed between the third module (120, 220) and the fourth module (124, 224) along an axis perpendicular to the longitudinal axis, the plenum module and the fan module being slightly raised in the longitudinal direction as compared to the collection basin modules (210, 214) and the heat exchange modules (220, 224). a first module (110, 210), wherein the first module (110, 210) comprises a first heat exchange portion (130, 230); a second module (114, 214), wherein the second module (114, 214) comprises a second heat exchange portion (132, 232); a plenum module (112, 212); a basin; and a fan module (122, 222), wherein said fan module (122, 222) comprises an air current generator (106, 206) having at least one fan blade that extends over said first module (110, 210), wherein the modular heat exchange tower further comprises: a third module (120, 220), wherein the third module (120, 220) is positioned vertically adjacent to the first module (110, 210) along the longitudinal axis; a fourth module (124, 224), wherein the fourth module (124, 224) is positioned vertically adjacent to the second module (114, 214) along the longitudinal axis; a fifth module (122, 222); wherein the first heat exchange portion (130, 230) is further disposed in the third module (120, 220); the second heat exchange portion (132, 232) is further disposed in the fourth module (124, 224); wherein the fifth module is the fan module (122, 222) and the first module (110, 210) is a first collection basin module (110, 210), the second module (114, 214) is a second collection basin module (114, 214), the third module (120, 220) is a first heat exchange module (120, 220) and the fourth module (124,224) is a second heat exchange module (124, 224), characterised in that the fifth module (122, 222) is disposed between the third module (120, 220) and the fourth module (124, 224) along an axis perpendicular to the longitudinal axis, the plenum module and the fan module being slightly raised in the longitudinal direction as compared to the collection basin modules (210, 214) and the heat exchange modules (220, 224). a third module (120, 220), wherein the third module (120, 220) is positioned vertically adjacent to the first module (110, 210) along the longitudinal axis; a fourth module (124, 224), wherein the fourth module (124, 224) is positioned vertically adjacent to the second module (114, 214) along the longitudinal axis; a fifth module (122, 222); wherein the first heat exchange portion (130, 230) is further disposed in the third module (120, 220); the second heat exchange portion (132, 232) is further disposed in the fourth module (124, 224); wherein the fifth module is the fan module (122, 222) and the first module (110, 210) is a first collection basin module (110, 210), the second module (114, 214) is a second collection basin module (114, 214), the third module (120, 220) is a first heat exchange module (120, 220) and the fourth module (124,224) is a second heat exchange module (124, 224), characterised in that the fifth module (122, 222) is disposed between the third module (120, 220) and the fourth module (124, 224) along an axis perpendicular to the longitudinal axis, the plenum module and the fan module being slightly raised in the longitudinal direction as compared to the collection basin modules (210, 214) and the heat exchange modules (220, 224).