Introducing the magnificent D Series Air Cooler by Harbin Dongan Building Sheets Co., Ltd. — an epitome of indoor cooling excellence tailored to seamlessly integrate with condensing units across a plethora of cold room environments. This exceptional product line is ingeniously divided into three sub-series, each engineered to cater to distinct temperature requirements: DL Series: Perfectly crafted for environments around 0ºC, the DL air cooler is your go-to solution for preserving freshness in cold storage facilities. DD Series: For temperatures hovering around -18ºC, the DD air cooler is meticulously designed for efficient cold storage applications. DJ Series: When dealing with the extreme cold, below -25ºC to -30ºC, the DJ air cooler excels, making it the ideal choice for blast freezer rooms. Elevate your cold room experience with our Premium Low Temperature Air Cooler and experience unmatched performance tailored for your specific cooling needs.