KitchenAid 30-inch Built-in Gas Cooktop with Downdraft KCGD500GSSThis 30 gas cooktop includes Downdraft, an integrated ventilation system that doesnt require a separate hood. The cooktop features a 17K BTU professional burner to achieve both high heat needed for searing and low simmer settings. The 5K BTU Even Heat Simmer Burner enables precise simmering and melting while the 300 CFM exhaust rating means the venting can handle it all.