Introducing the exceptional D Series Air Coolers by Harbin Dongan Building Sheets Co., Ltd. - the ultimate indoor climate solution designed to seamlessly integrate with condensing units across diverse cold room settings. This versatile series is meticulously crafted to cater to specific temperature requirements, boasting three specialized sub-series: DL, DD, and DJ. The DL Air Cooler is expertly engineered for environments around 0ºC, making it the ideal choice for fresh-keeping cold storage applications. For conditions hovering around -18ºC, the DD Air Cooler stands as the perfect option for standard cold storage needs. Meanwhile, the DJ Air Cooler is purposefully tailored for extreme temperatures ranging from -25ºC to -30ºC, making it the unparalleled solution for blast freezer rooms. Experience the unrivaled performance and reliability of our High Performance Commercial Air Coolers, setting the standard for cold room environments.