Introducing the exceptional D Series Air Coolers by Harbin Dongan Building Sheets Co., Ltd., an innovative range of indoor cooling solutions meticulously designed to seamlessly integrate with condensing units across diverse cold room environments. The versatile D Series is thoughtfully categorized into three distinct sub-series, each tailored to meet specific temperature requirements: - The DL Air Cooler, expertly engineered for environments around 0ºC, is the ideal choice for fresh-keeping cold storage applications, ensuring your perishables remain in pristine condition. - The DD Air Cooler, crafted for temperatures around -18ºC, excels in standard cold storage settings, maintaining optimal conditions for a wide range of products. - Finally, the DJ Air Cooler, designed for extreme low temperatures below -25ºC to -30ºC, is the perfect solution for blast freezer rooms, delivering unparalleled performance for rapid freezing operations. Choose the D Series Air Coolers for reliability and efficiency in all your commercial cold room needs.