Quick Humidification For Large Room Faster Humidification, Wider Coverage Smart Humidifiers for large room adopt advanced mixing mist technology, equipped with 360° Rotating Spray, which can disperse warm and cold mist up to 700ml/H. It's 4 times faster than other cool mist humidifiers. The warm mist can effectively moisturize 753 ft², and the mist can up to 40-60 inches higher, ensuring the fog stays in the air and without wetting your floor.