A:Answer Air openings are located at the rear of the cooktop, at the top and bottom of the oven door, and at the bottom of the LG 6.3 cu. ft. Slide-In Smart Dual-Fuel Electric Range with ProBake Convection Oven and Wi-Fi in Stainless Steel, Model # LSD4913ST through which it vents. Most residential building codes do not require a range hood above a stove or cook top, but you’d be wise to ensure your locale is not the exception. Range hoods are designed to collect airborne grease, moisture and cooking odors. If you are in need of any assistance, have additional questions, or would just like to see our helpful tips, check us out on Twitter @LGUSSupport Facebook https://www.facebook.com/LGUSA/ ^CP