Introducing the D Series Air Cooler by Harbin Dongan Building Sheets Co., Ltd.! This exceptional line of indoor cooling equipment is expertly designed to work harmoniously with condensing units, providing unparalleled cooling for all types of cold rooms. Our meticulously engineered range features three distinct sub-series—DL, DD, and DJ—each crafted to cater to specific temperature requirements, ensuring optimal performance and efficiency. The DL air cooler is perfect for maintaining temperatures around 0ºC, making it ideal for fresh-keeping cold storage facilities. The DD series excels in environments that require temperatures around -18ºC, providing superb cooling solutions for cold storage needs. Finally, the DJ series is meticulously designed for blast freezer rooms, effectively handling extreme temperatures below -25ºC to -30ºC. Experience fast cooling and low energy consumption with our premium D Series Air Cooler—your ultimate choice for reliable and efficient temperature management in cold rooms.