Ultrasonic Aroma Diffusers & Essential Oil Humidifiers — 62 Models
Our ultrasonic aroma diffusers combine the benefits of cool mist humidifying with aromatherapy scent diffusion in one elegant device. Add water and a few drops of your favorite fragrance or essential oil, and enjoy hours of continuous scent and moisture.
Our Most Popular Styles
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Flame Effect Diffusers — Realistic flickering flame visuals that double as ambient lighting. Our Fireplace Aurora Flame ($54.99) and Warm Flame ($29.99) are best sellers.
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Himalayan Salt Diffusers — Natural Himalayan salt tops that glow with warm pink light. Combines salt therapy benefits with aromatherapy. From $39.99.
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LED Color-Changing — 7-color ambient lighting that cycles or locks to your preferred mood color. Great for nurseries and meditation spaces. From $34.99.
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Bluetooth Speaker Diffusers — 5-in-1 devices that combine scent, humidifying, flame effect, LED lighting, and Bluetooth audio. From $59.99.
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Classic & Sleek — Minimalist designs in ceramic, wood grain, and matte finishes. From $29.99.
What Oils to Use
These diffusers work with our full fragrance oil collection (129+ scents), pure essential oils, or any water-soluble fragrance oil. Browse by collection: hotel, nature, perfume, zodiac, or spiritual.
Key Features Across All Models
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Ultrasonic technology — Silent operation, no heat, preserves oil integrity
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Auto shut-off — Safely turns off when water runs out
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Multiple timer settings — 1hr, 3hr, 6hr, or continuous modes
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Easy to clean — Wide openings for simple rinsing
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Coverage — Models range from 200 sq ft (bedroom) to 500+ sq ft (open plan)
Note: These are ultrasonic humidifying diffusers that use water. If you prefer a waterless cold-air diffuser (no water, no humidity), see our waterless diffuser collection.
