Introducing the state-of-the-art D series air coolers from Harbin Dongan Building Sheets Co., Ltd. – the perfect indoor cooling solution, seamlessly integrated with condensing units for all types of cold storage rooms. Our innovative range is meticulously designed to cater to various temperature requirements with three exceptional sub-series: the DL, DD, and DJ models. The DL air cooler offers optimum performance for temperatures around 0ºC, making it ideal for fresh-keeping cold storage environments. For more robust cooling needs, the DD model efficiently maintains temperatures around -18ºC, perfectly suited for standard cold storage. For the most demanding conditions, the DJ air cooler excels in maintaining temperatures below -25ºC to -30ºC, ideal for blast freezer rooms. Enhance your cold storage solution with our cutting-edge D series air coolers, ensuring premium preservation and efficiency tailored to your specific cooling needs.