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. Pump Dehumidifiers For Basement, Dehumidifier Under House Cost , Whole House Crawl Space Dehumidifier , Dehumidifier For Crawl Space Cost ,Commercial Dehumidifier For Sale Near Me . An industrial dehumidifier is applicable to a large area. A single dehumidification area of the dehumidifier is from 200 to 1200 square meters. Patented technology, strong dehumidification, high efficiency and energy saving are significant advantages of Preair industrial dehumidifiers. The product will supply to all over the world, such as Europe, America, Australia,Romania, Ghana,Cambodia, Portland.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.