{"niche":"What is the most energy-efficient portable humidifier available?","description":"What is the most energy-efficient portable humidifier available?","products":[{"brand":"PureGuardian","model":"H940AR","price_gbp":14.69,"origin_country":null,"specs":{"output":"6436","capacity":"1893","humidistat":false,"auto_shutoff":true,"coverage_area":"350"},"confidence_score":null,"sources":[{"label":"Guardian Technologies","url":"https://guardiantechnologies.com/products/h940-0-5-gallon-30-hour-ultrasonic-cool-mist-humidifier-by-pureguardianr-reg","currency":"USD","source_country":"US","price":19.99,"price_gbp":14.69,"scraped_at":"2026-08-28T05:01:19.348379"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Pure-Guardian-0-5-gal-Ultrasonic-Cool-Mist-Humidifier-for-Rooms-up-to-350-sq-ft-in-Blue-White-30-Hour-Runtime-on-Low-Aromatherapy-H940AR/300353650","currency":"USD","source_country":"US","price":34.99,"price_gbp":25.72,"scraped_at":"2026-08-28T05:01:19.348379"},{"label":"Kohl's","url":"https://www.kohls.com/product/prd-3556230/pureguardian-30-hour-ultrasonic-cool-mist-humidifier.jsp","currency":"USD","source_country":"US","price":34.99,"price_gbp":25.72,"scraped_at":"2026-08-28T05:01:19.348379"}],"summary":"The PureGuardian H940AR is an ultrasonic cool-mist humidifier with a 0.5-gallon tank, aromatherapy tray, night light, Silver Clean protection, and up to 30 hours of operation on low speed. It suits small rooms, bedrooms, and users who want quiet operation and basic automatic shutoff without advanced humidity control.","ideal_for":"It suits energy-conscious users because its ultrasonic cool-mist technology provides 30 hours of operation on low speed from a 0.5-gallon tank and has no heating element, though it is not Energy Star certified."},{"brand":"Vicks","model":"VUL525","price_gbp":12.42,"origin_country":null,"specs":{"humidistat":false,"noise_level":"39","auto_shutoff":true,"coverage_area":"250"},"confidence_score":null,"sources":[{"label":"Best Buy","url":"https://www.bestbuy.com/product/mini-filter-free-cool-mist-humidifier-small-room-variable-mist-control-works-with-vicks-vapopads-white/JC24TRQPPZ","currency":"USD","source_country":"US","price":39.99,"price_gbp":29.4,"scraped_at":"2026-08-28T05:01:19.348379"},{"label":"McGrocer","url":"https://mcgrocer.com/products/vicks-vul525-mini-cool-mist-ultrasonic-humidifier-1-8-litre-2026425667","currency":"USD","source_country":"US","price":88.55,"price_gbp":65.09,"scraped_at":"2026-08-28T05:01:19.348379"},{"label":"Pharmazone","url":"https://pharmazone.com/en-ae/products/vicks-humidifier-mini-cool-mist-1-8l-525e1","currency":"USD","source_country":"US","price":16.9,"price_gbp":12.42,"scraped_at":"2026-08-28T05:01:19.348379"}],"summary":"The Vicks VUL525 is a compact ultrasonic cool-mist humidifier with a 1.8-litre tank, adjustable mist direction, quiet 39 dB operation, and VapoPad compatibility. It suits small bedrooms, nurseries, and personal spaces up to 250 square feet, with automatic shutoff for safety.","ideal_for":"It is a relatively energy-efficient choice because its ultrasonic design uses 21 watts while providing adjustable mist output for spaces up to 250 square feet."}]}