Aroma Diffusers | Bedrooms, living rooms | 500ml tank capacity (ISO 9001 certified), USB-powered (5V ▲), universal plugs ▲ (Supports US/UK/EU/USB/AU standards) Essential oil diffusion (ASTM E2111 compliant) | Multi-functional (humidification + aromatherapy), energy-efficient (▲ 50% lower power vs wired models) Portable design | Lower mist output (300ml/h ▼) Requires distilled water for optimal performance |
Ultrasonic Humidifiers | Home offices, nurseries | Silent operation (30 dBA ▲, quieter than a whisper) Large capacity (up to 6L ▲) Mineral-free mist (ASTM D3588 compliant) | High output (up to 600ml/h ▲) No visible mist ▲ Easy to clean | Requires demineralization for hard water Higher cost ▲ vs evaporative models |
Evaporative Humidifiers | Large rooms, allergy-friendly | Fan-driven evaporation (40% humidity control) No white dust (ASHRAE 55 standard) | Energy-efficient (▲ 30% lower power than ultrasonic) Quiet fan operation | Slower output (100–300ml/h ▼) Noisier than ultrasonic models (50 dBA) |
Warm Mist Humidifiers | Cold climates, medicinal use | Heated vapor (45°C ▲) No mineral residue (ASTM E2111 compliant) | Kills bacteria (▲ 99.9% germ reduction) Softer air for respiratory relief | Hot surfaces pose burn risk Higher energy consumption ▲ Slower startup time |
Cool Mist Humidifiers | Summer use, children’s rooms | Cool vapor (25°C ▲) No heat risk (UL 60335 safety certified) | Safe for kids ▲ No white dust ▲ Quiet operation (35 dBA) | Requires frequent water changes Less effective in very dry climates ▼ |
Portable Humidifiers | Travel, dorm rooms, small spaces | Compact design (12x8x6in ▲) Battery option (▲ 6h runtime on USB) Lightweight (1.2kg ▲) | Highly mobile ▲ Quick setup ▲ Low noise (25 dBA) | Smaller capacity (300ml ▼) Shorter runtime ▼ Limited customization options |