Zhejiang Preair Electrical Appliance Industry Co., Ltd. is an innovative enterprise committed to improving global humidity problems, taking scientific and technological innovation as its mission, aiming to build a world-class commercial and industrial dehumidifier leading brand and providing customers with professional system solutions in the field of humidity control. Encapsulated Crawl Space Dehumidifier, Greenhouse Dryer , Low Profile Dehumidifier For Crawl Space , Mobile Dehumidifier ,Crawl Space Dehumidifier 1200 Sq Ft . Patented technology represents a company's R&D level and machine performance. Apart from the patents, Preair has got the qualification of Hangzhou High-tech R&D Center and other brilliant achievements. In order to overcome the problem of the research and development of energy-efficient products, 10 senior engineers have spent countless days and nights discussing and researching. Finally, they launched the series of energy-saving robot (energy efficiency ratio is up to 3.0), which far exceeds the industry energy-saving standard. The high efficiency dehumidifiers are recommend by our customers. To meet the demand of customers is the driving force of our company. Due to the persistence of all of our staffs, the solution was finally implemented. The product design and development of smart dehumidifiers were completed beyond customers’ expectation. The product will supply to all over the world, such as Europe, America, Australia,Finland, Slovakia,Luxemburg, Ethiopia.Humidity, i.e., the amount of water vapor in the air, is generally expressed in terms of relative humidity (RH). Humidity, temperature, air flow rate and fresh air volume are important physical parameters of indoor air quality standards.