An air conditioner comprising: a distributor (1-7, 101-106, 201-205, 301-308) configured to distribute a fluid passing inside of the distributor (1-7, 101-106, 201-205, 301-308); and a heat exchanger including a plurality of refrigerant pipes in which the fluid distributed by the distributor (1-7, 101-106, 201-205, 301-308) flows, the heat exchanger being configured to exchange heat with air, wherein the distributor (1-7, 101-106, 201-205, 301-308) comprises: a main pipe; a partition defining a plurality of distribution paths in the main pipe; a first branched pipe inserted into the main pipe as much as a first length, the first branched pipe being linked to a first distribution path of the plurality of distribution paths, and the first branched pipe being connected to a first portion of the heat exchanger; characterized in that a second branched pipe inserted into the main pipe as much as a second length different from the first length, the second branched pipe being linked to the first distribution path of the plurality of distribution paths, and the second branched pipe being connected to a second portion of the heat exchanger, and that a flow velocity of air exchanging heat at the first portion of the heat exchanger is faster than a flow velocity of air exchanging heat at the second portion of the heat exchanger, and that the first length is shorter than the second length. a distributor (1-7, 101-106, 201-205, 301-308) configured to distribute a fluid passing inside of the distributor (1-7, 101-106, 201-205, 301-308); and a heat exchanger including a plurality of refrigerant pipes in which the fluid distributed by the distributor (1-7, 101-106, 201-205, 301-308) flows, the heat exchanger being configured to exchange heat with air, wherein the distributor (1-7, 101-106, 201-205, 301-308) comprises: a main pipe; a partition defining a plurality of distribution paths in the main pipe; a first branched pipe inserted into the main pipe as much as a first length, the first branched pipe being linked to a first distribution path of the plurality of distribution paths, and the first branched pipe being connected to a first portion of the heat exchanger; characterized in that a second branched pipe inserted into the main pipe as much as a second length different from the first length, the second branched pipe being linked to the first distribution path of the plurality of distribution paths, and the second branched pipe being connected to a second portion of the heat exchanger, and a main pipe; a partition defining a plurality of distribution paths in the main pipe; a first branched pipe inserted into the main pipe as much as a first length, the first branched pipe being linked to a first distribution path of the plurality of distribution paths, and the first branched pipe being connected to a first portion of the heat exchanger; characterized in that a second branched pipe inserted into the main pipe as much as a second length different from the first length, the second branched pipe being linked to the first distribution path of the plurality of distribution paths, and the second branched pipe being connected to a second portion of the heat exchanger, and that a flow velocity of air exchanging heat at the first portion of the heat exchanger is faster than a flow velocity of air exchanging heat at the second portion of the heat exchanger, and that the first length is shorter than the second length.