An air-conditioning apparatus, comprising: a heat exchanger including a plurality of heat transfer tubes each having a flattened shape and being arranged in parallel to each other, the heat exchanger being used at least as a condenser of a refrigeration cycle; and a fan for generating flows of air passing through the heat exchanger in a predetermined air velocity distribution, the heat exchanger being configured to exchange heat between the air and refrigerant flowing through the plurality of heat transfer tubes, the heat exchanger including a plurality of refrigerant paths each having at least one of the plurality of heat transfer tubes, the plurality of refrigerant paths including a plurality of first refrigerant paths for allowing gas refrigerant to flow into the plurality of first refrigerant paths and allowing the gas refrigerant to flow out as two-phase refrigerant, and a plurality of second refrigerant paths for allowing the two-phase refrigerant flowing out of the plurality of first refrigerant paths to flow into the plurality of second refrigerant paths, and to flow out as subcooled liquid refrigerant, the plurality of second refrigerant paths being arranged in a region of lower velocity of the air than a region where the plurality of first refrigerant paths are arranged, the plurality of first refrigerant paths being respectively arranged in regions different from each other with respect to the velocity of the air, the plurality of second refrigerant paths being respectively arranged in regions different from each other with respect to the velocity of the air, the plurality of first refrigerant paths and the plurality of second refrigerant paths being coupled to each other in a descending order of the velocity of the air in the regions where the plurality of first refrigerant paths are respectively arranged and the regions where the plurality of second refrigerant paths are respectively arranged, and outlet sides of the plurality of first refrigerant paths being coupled respectively to inlet sides of the plurality of second refrigerant paths correlated to the plurality of first refrigerant paths. a heat exchanger including a plurality of heat transfer tubes each having a flattened shape and being arranged in parallel to each other, the heat exchanger being used at least as a condenser of a refrigeration cycle; and a fan for generating flows of air passing through the heat exchanger in a predetermined air velocity distribution, the heat exchanger being configured to exchange heat between the air and refrigerant flowing through the plurality of heat transfer tubes, the heat exchanger including a plurality of refrigerant paths each having at least one of the plurality of heat transfer tubes, the plurality of refrigerant paths including a plurality of first refrigerant paths for allowing gas refrigerant to flow into the plurality of first refrigerant paths and allowing the gas refrigerant to flow out as two-phase refrigerant, and a plurality of second refrigerant paths for allowing the two-phase refrigerant flowing out of the plurality of first refrigerant paths to flow into the plurality of second refrigerant paths, and to flow out as subcooled liquid refrigerant, the plurality of second refrigerant paths being arranged in a region of lower velocity of the air than a region where the plurality of first refrigerant paths are arranged, the plurality of first refrigerant paths being respectively arranged in regions different from each other with respect to the velocity of the air, the plurality of second refrigerant paths being respectively arranged in regions different from each other with respect to the velocity of the air, the plurality of first refrigerant paths and the plurality of second refrigerant paths being coupled to each other in a descending order of the velocity of the air in the regions where the plurality of first refrigerant paths are respectively arranged and the regions where the plurality of second refrigerant paths are respectively arranged, and outlet sides of the plurality of first refrigerant paths being coupled respectively to inlet sides of the plurality of second refrigerant paths correlated to the plurality of first refrigerant paths.