20L Home Dehumidifier AirOrig dehumidifiers can efficiently remove ups to 20 litre (under 30 Degree Celcius, 80 percent RH condition) of moisture per day to improve the indoor overall air quality and adjust humidity from 30 to 80 percent Our low-energy dehumidifier is good to keep your home free from mould and mildew in winter, dry damp patches on the walls and stop condensation on the windows for the room that covers the area of 20m -30m. Ideal for home, bedroom, bathroom, kitchen, garage, basement, cellar, storage.