{"pageUrl":"https://comparethespecs.com/zh/home-living/air-purifiers-climate/what-are-the-best-professional-grade-whole-house-humidifiers","lastUpdated":"2026-09-04","totalProducts":1,"niche":"What are the best professional-grade whole house humidifiers?","description":"What are the best professional-grade whole house humidifiers?","products":[{"brand":"AprilAire","model":"700 Fan-Powered Evaporative Humidifier","price_gbp":363.36,"origin_country":null,"specs":{"coverage_area":"5300","humidifier_capacity":"18","humidistat_included":true},"confidence_score":null,"sources":[{"label":"The Home Depot","url":"https://www.homedepot.com/p/AprilAire-Fan-Powered-Evaporative-Whole-House-Humidifier-with-Manual-Control-and-Installation-Kit-18-Gal-Up-to-5-300-sq-ft-700MKH/336796969","currency":"USD","source_country":"US","price":489.99,"price_gbp":363.36,"scraped_at":"2026-09-04T02:01:14.258112"}],"summary":"This fan-powered, duct-mounted evaporative humidifier delivers up to 18 gallons of moisture per day and is designed for tightly constructed homes up to 5,300 square feet. It includes an automatic digital humidistat, onboard humidity sensor, outdoor temperature sensor, and water panel, making it suited to whole-house HVAC systems.","ideal_for":"This is a professional-grade whole-house humidifier because it provides 18 gallons per day of capacity, coverage up to 5,300 square feet, automatic digital humidity control, and fan-powered operation for ducted HVAC systems."}]}