A device (3) for climate control of a motor vehicle seat (20) with a cushion core (22) for the support of a passenger, having an upper air distribution device (25) at the front side (27) of the cushion core (22) facing the passenger to distribute air along the front side (27) of the cushion core (22), and having a lower air distribution device (32) at its rear side (30) facing away from the passenger to distribute air along the rear side (27) of the cushion core (22), having a connecting device (35) to transfer air between the first and second air distribution devices (25, 32). Each of the three devices (25, 32, 35) has an elongated hollow space (37), and at least one support element (14) in the form of a spiral spring is provided in the air-conducting cross-section of at least one such hollow space (37).