Respectively, in which the curtain wall frame and improve the heat insulating binding force according to the present invention, the vertical bar and the horizontal bar, is made of aluminum-house frame is to be disposed in the indoor unit; It is made of aluminum outside the frame that is to be disposed on the outdoor side; Production of a synthetic resin and is manufactured is formed with a hollow portion (中空 部), is configured to include a heat insulating consolidated is to be disposed so as to be positioned between the interior frame and the outside frame, the insulation consolidated each nulling method and indoor frame and outside the frame It is joined in one body by the features that are configured.