Global Humidifier Market Assessment, By Product Type [Ultrasonic Humidifiers, Impeller Humidifiers, Evaporative Humidifiers, Others], By Temperature [Cool Mist, Warm Mist], By Coverage [Less than 500 sq. ft., 500-1000 sq. ft., More than 1000 sq. ft], By Application [Household, Commercial], By Installation Type [Fixed Humidifiers, Portable Humidifiers], By Price Range [Value Segment, Premium Segment], By End-user [Individual Consumers, Retailers], By Distribution Channel [Multi-brand Stores, Exclusive Stores, Online Retail, Others], By Region, Opportunities and Forecast, 2017-2031F