Compressor device that is at least provided with a screw compressor (2) with a compression chamber (3) that is formed by a compression housing (4), with a drive motor (10) that is provided with a motor chamber (12) formed by a motor housing (11) and with an outlet (26) for the discharge of compressed air that is connected to a pressure vessel (32) via an outlet pipe (31), whereby the compression housing (4) and the motor housing (11) are connected directly to one another to form a compressor housing (48), whereby the motor chamber (12) and the compression chamber (3) are not sealed off from one another and whereby the outlet pipe (31) between the pressure vessel (32) and the screw compressor (2) is free of closing means.