Introducing the remarkable D Series Air Cooler from Harbin Dongan Building Sheets Co., Ltd.—an exceptional indoor cooling solution designed to seamlessly integrate with a wide array of condensing units, perfect for any type of cold room! This innovative series is crafted to cater to different temperature requirements, offering three specialized sub-series: DL, DD, and DJ. The DL Air Cooler is engineered to maintain temperatures around 0ºC, making it the ideal choice for preserving the freshness of cold storage environments. Meanwhile, the DD model is adept at facilitating temperatures around -18ºC, expertly designed for standard cold storage applications. For those needing extreme conditions, the DJ variant is specifically tailored for blast freezer rooms, efficiently operating at temperatures ranging from below -25ºC to -30ºC. Choose the D Series Air Cooler for unmatched performance and reliability in maintaining the perfect climate conditions for your cold storage needs!