An evaporator (130; 230; 330; 430; 530) comprising a first core (331; 401; 501); and a second core (332; 402; 502), the first core (331; 401; 501) being arranged downstream of and overlapping the second core (332; 402; 502) in an air flow direction through the evaporator, the first core (331; 401; 501) comprising: - a first upper tank at a first end of the evaporator; - a first lower tank at a second end of the evaporator; - multiple conduits (411, 421, 422) arranged in parallel between the first upper and lower tanks (503, 504), the conduits being configured to connect the upper and lower tanks to each other and to allow fluid communication between the first upper and lower tanks; - a refrigerant inlet (410; 510) arranged at the first end of the evaporator and connected to the first upper tank; the second core (332; 402; 502) comprising: - a second upper tank; - a second lower tank; - multiple conduits (431, 432, 441) arranged in parallel between the second upper and lower tanks (505, 506), the conduits being configured to connect the upper and lower tanks to each other and to allow fluid communication between the upper and lower tanks; - the first upper tank being connected to the second upper tank to allow fluid communication between the upper tanks; and - a refrigerant outlet (420; 520) arranged at the first end of the evaporator and connected to the second upper tank; wherein partitions are arranged inside the first and second upper tanks (503, 505); a first set of partitions is configured to divide the first upper tank into a first path in which refrigerant supplied through the refrigerant inlet (410; 510) is directed from the first upper tank to the first lower tank; characterized in that a second path (P2, P2'), downstream from the first path, is directed from the first lower tank to the first upper tank on either side of the first path, that a second set of partitions is configured to divide the second upper tank into a third path (P3, P3') in which refrigerant supplied from the first upper tank is directed from the second upper tank to the second lower tank; that the third path (P3, P3'), that is downstream from the second path (P2, P2'), is directed from the second upper tank to the second lower tank on either side of a fourth path; and that the fourth path is directed from the second lower tank and between the second set of partitions to the refrigerant outlet (420; 520) at the second upper tank. - a first upper tank at a first end of the evaporator; - a first lower tank at a second end of the evaporator; - multiple conduits (411, 421, 422) arranged in parallel between the first upper and lower tanks (503, 504), the conduits being configured to connect the upper and lower tanks to each other and to allow fluid communication between the first upper and lower tanks; - a refrigerant inlet (410; 510) arranged at the first end of the evaporator and connected to the first upper tank; - a second upper tank; - a second lower tank; - multiple conduits (431, 432, 441) arranged in parallel between the second upper and lower tanks (505, 506), the conduits being configured to connect the upper and lower tanks to each other and to allow fluid communication between the upper and lower tanks; - the first upper tank being connected to the second upper tank to allow fluid communication between the upper tanks; and - a refrigerant outlet (420; 520) arranged at the first end of the evaporator and connected to the second upper tank; wherein partitions are arranged inside the first and second upper tanks (503, 505); a first set of partitions is configured to divide the first upper tank into a first path in which refrigerant supplied through the refrigerant inlet (410; 510) is directed from the first upper tank to the first lower tank; characterized in that a second path (P2, P2'), downstream from the first path, is directed from the first lower tank to the first upper tank on either side of the first path, that a second set of partitions is configured to divide the second upper tank into a third path (P3, P3') in which refrigerant supplied from the first upper tank is directed from the second upper tank to the second lower tank; that the third path (P3, P3'), that is downstream from the second path (P2, P2'), is directed from the second upper tank to the second lower tank on either side of a fourth path; and that the fourth path is directed from the second lower tank and between the second set of partitions to the refrigerant outlet (420; 520) at the second upper tank.