The D series of air coolers represents a cutting-edge solution for indoor cooling, seamlessly complementing a variety of condensing units tailored for diverse cold room applications. This exceptional series is divided into three sub-series—DL, DD, and DJ—each meticulously engineered to cater to specific temperature requirements. 1. **DL Series** - Ideal for maintaining temperatures around 0ºC, the DL air cooler is perfect for fresh-keeping cold storage, ensuring your goods remain in pristine condition. 2. **DD Series** - Catering to temperatures around -18ºC, the DD air cooler is the go-to choice for standard cold storage needs, providing reliable cooling performance. 3. **DJ Series** - Specifically designed for temperatures plunging below -25ºC to -30ºC, the DJ air cooler is the definitive choice for blast freezer rooms, where rapid and intense cooling is paramount.