In order to provide a painting installation for painting workpieces, which is compact in configuration and allows a reliable separation of paint overspray from a raw gas flow, the painting installation includes the following: a painting booth, in which the workpieces are paintable with paint; a conveying device, by means of which the workpieces to be painted are conveyable in a conveying direction through the painting booth; a separation and/or filter system for cleaning a raw gas flow, which is leaving the painting booth and has absorbed paint overspray in the painting booth, wherein the separation and/or filter system includes at least one filter device for separating the paint overspray from the raw gas flow; and at least one clean gas line for a clean gas flow, which is obtainable by cleaning the raw gas flow by means of the at least one filter device.