Broan has provided a solution for the commercial style chefs among us. The downdrafts provide a unique option for a low profile chimney that rises only when activated. Optional remote control give complete accessibility to maximize your cooking experience. Imagine standing at your commercial style cooktop, savoring your latest culinary creation, as the Heat Sentry™ detects any excessive heat it adjusts the blower speed automatically. The 21st century has seamlessly melded with classic culinary genius.