How to choose the single-voltage dehumidifier and the double-voltage dehumidifier correctly first of all, the difference between the single-voltage model and the double-voltage model is that the voltage, frequency, performance, structure, and dehumidification capacity are consistent. The single-voltage dehumidifier uses 115v voltage and 60hz frequency, the electrical parameters are rated and cannot be changed. Otherwise, it will cause a short circuit or cannot be used. The dual voltage dehumidifier can work under two voltages, 115v, and 230v, and the operating frequency is 50 hz and 60 hz. We have added a transformer inside the equipment to change the working voltage so that the equipment can work in a more grid environment. Note: when choosing between these two models, please make the right choice according to your power grid environment. Applications: flood restoration furniture drying carpet drying laundry drying garage basements &crawl space offices laboratories commercial use: storm dp is designed for commercial use, the stubborn metal handle, wifi control, two big wheels, and the dual-voltage were very suitable for commercial use. Crawl space&basement use: the basement provides some extract space in the house, while crawlspaces are built to raise the level of the house to avoid flooding. This is why today, more than 35% of new houses are built on a crawlspace, and in some states like south carolina and most coastal areas, the number is over 80%. The powerful storm d...