Air conditioned respectively ventilated seat/couch device for vehicle or furniture

The device consists of a lower or seat part and an upper or backrest and/or head part, possibly armrests and an air delivery and/or ventilation system. The central regions of the lower part and upper part consist of mesh-cushion elements (9) with hollow spaces or pairs of mesh elements (21) and cushion elements (19) that can be removed and inserted and interchanged.