Air conditioning with fan in an agricultural or construction machine

The invention relates to an air conditioning unit (2) with fan, in particular a load or machinery, comprising at least two Geblade (5, 7), at least one fresh-air intake air passage, at least one circulating air intake air passage, an evaporator (3) and optionally a heater (4), said evaporator (3) and heater (4) air outflow side of the blower (5, 7) are arranged, the fan (5, 7), viewed in a height in the vehicle longitudinal direction are disposed, the first fan (5) of fresh air at least one fresh air opening (6) sucks in the rear region of the vehicle and the second fan (7) at least recirculated air from the passenger compartment by at least two arranged on opposite sides of the vehicle air circulation openings (8) sucks and at least one convection air intake passage (8 ') , above and / or below the first fan (5) extending from the circulating air opening (8) on one side of the vehicle interior to the second blower (7) delivers.