Improve Walk-In Cooler Efficiencies & Reduce Food Waste with Berner Air Curtains. Use the Berner K-Zone and Walk-in Cooler Kit to save significant energy, reduce compressor run-time and refrigeration equipment wear-and-tear, and prevent food spoilage. The K-Zone air curtain works to maintain the internal temperature of the walk-in cooler during high-traffic moments or when the door is kept open for an extended period of time. The Walk-In Cooler Kit makes installation a breeze.
Click http://www.berner.com/CoolerEfficiencyKit.php5 for more information.