Introducing the D series of air coolers, masterfully engineered as the perfect indoor cooling solution compatible with condensing units, designed to cater to a multitude of cold room environments. Tailored to meet diverse temperature requirements, this series boasts three distinguished sub-series: DL, DD, and DJ, each crafted for unique temperature ranges. The DL air cooler is optimized for conditions around 0ºC, ideal for preserving the freshness of cold storage. The DD air cooler excels at approximately -18ºC, making it perfect for standard cold storage needs. Meanwhile, the DJ air cooler is meticulously crafted for temperatures between -25ºC and -30ºC, specially designed for blast freezer rooms. Embrace the pinnacle of efficient temperature control with Harbin Dongan Building Sheets Co., Ltd.'s Advanced Cold Room Air Coolers, ensuring precision and reliability in maintaining your desired environment.