A method for manufacturing an outdoor unit for an air conditioning apparatus, the outdoor unit having: a heat exchanger including heat transmission fins and heat transmission pipes, the heat transmission fins being spaced from one another with a distance, fitted to and fixed to the heat transmission pipes, so that heat is exchanged between refrigerant passing through the heat transmission pipes and air passing between the heat transmission fins; an electric component including a part of an electric system that controls equipment; and a cooling member disposed in a channel of air passing through the heat exchanger, the cooling member configured to dissipate heat from the electric component to the air, the method comprising: fixing the heat transmission pipes arranged with a predetermined distances in between, in a dedicated device; inserting, after fixing the heat transmission pipes, the heat transmission fins to the fixed heat transmission pipes, the distance between the heat transmission fins being configured to be larger, in a position corresponding to a position where the cooling member is located and that serves as a passage of the air passing through the cooling member, than in other positions in the heat exchanger; and joining the heat transmission pipes and the heat transmission fins by brazing; wherein the heat transmission fins have insertion cutouts having a shape conforming to a shape of the heat transmission pipes, and the heat transmission fins are fitted to the heat transmission pipes through the insertion cutouts. a heat exchanger including heat transmission fins and heat transmission pipes, the heat transmission fins being spaced from one another with a distance, fitted to and fixed to the heat transmission pipes, so that heat is exchanged between refrigerant passing through the heat transmission pipes and air passing between the heat transmission fins; an electric component including a part of an electric system that controls equipment; and a cooling member disposed in a channel of air passing through the heat exchanger, the cooling member configured to dissipate heat from the electric component to the air, the method comprising: fixing the heat transmission pipes arranged with a predetermined distances in between, in a dedicated device; inserting, after fixing the heat transmission pipes, the heat transmission fins to the fixed heat transmission pipes, the distance between the heat transmission fins being configured to be larger, in a position corresponding to a position where the cooling member is located and that serves as a passage of the air passing through the cooling member, than in other positions in the heat exchanger; and joining the heat transmission pipes and the heat transmission fins by brazing; wherein the heat transmission fins have insertion cutouts having a shape conforming to a shape of the heat transmission pipes, and the heat transmission fins are fitted to the heat transmission pipes through the insertion cutouts. fixing the heat transmission pipes arranged with a predetermined distances in between, in a dedicated device; inserting, after fixing the heat transmission pipes, the heat transmission fins to the fixed heat transmission pipes, the distance between the heat transmission fins being configured to be larger, in a position corresponding to a position where the cooling member is located and that serves as a passage of the air passing through the cooling member, than in other positions in the heat exchanger; and joining the heat transmission pipes and the heat transmission fins by brazing; the heat transmission fins have insertion cutouts having a shape conforming to a shape of the heat transmission pipes, and the heat transmission fins are fitted to the heat transmission pipes through the insertion cutouts.