The R&D team of Preair is the core strategic department of the company. Our R&D team has 50+ engineers to build quality assurance. Up to now, Preair has won 9 invention patents, 31 utility models, and 6 appearance patents. Space Dehumidifier, Commercial Size Dehumidifier , Industrial Dryer , Ducted Dehumidifier For Crawl Space ,Grow Dehumidifier . Preair has mature technique to manufacture industrial dehumidifiers. Preair industrial dehumidifiers adopt the principle of freezing dehumidification and are equipped with the international brand compressor, which is of high energy efficiency, good heat transfer, has reasonable configuration and strong dehumidification function. Industrial dehumidifiers produced by Preair are widely used in warehouses, factories and other large industrial places, can effectively avoid the significant loss of goods due to moisture and mold. The product will supply to all over the world, such as Europe, America, Australia,Kuala Lumpur, America,Namibia, Cape Town.The temperature in summer is high. A high relative humidity will make the heat accumulate on the surface of human body, affecting the normal heat dissipation of the human body and making people feel hot and humid. The temperature in winter is low. A high relative humidity will accelerate the loss of heat of the human body, so that people feel wet and cold, greatly reducing physical comfort.