Abstract: A decorative gas burner system is provided with decorative gas logs which have openings or passageways to permit gas flames to be emitted therefrom which simulate the size and color of flames from wood burning logs. Gas burner means are mounted below the openings in said decorative gas log means and are provided with large hole arrays for producing long yellow or orange flames. Inverted U-shaped shield means are mounted over said gas burner means and provided with horizontal openings in the U-shape shield means and are further provided with deflector means opposite said openings in said shield means for producing long yellow gas flames with carbon monoxide emissions.