Ducting is the network of sealed versatile cylindrical tubes, connecting the air conditioning unit to every space vent. The ducting community also recirculates air on the device by way of a return air panel, getting rid of dust, Filth and airborne pollens. All Units Mechanical concentrates on the set up https://docs.google.com/spreadsheets/d/12u7rJLrjSWIMoTyNzJz1omJPJnoZX4A_U0YLwoyEYUk