Venta Air Washer AH 555 – Black Ultrasonic Humidifier for Large Rooms
The Venta AH 555 is an ultrasonic evaporative humidifier designed to maintain comfortable indoor humidity levels in rooms up to 45 m². Its 10-litre tank provides extended operation between refills, making it suitable for continuous use in bedrooms, living rooms, and offices.
10-litre water tank enables up to 45 hours of continuous operation at the lowest setting
Three adjustable fan speeds allow precise humidity control for different room sizes
Whisper-quiet operation at 45 dB(A) — unobtrusive in bedrooms and workspaces
Low energy consumption of 8 W keeps running costs minimal
What Sets the Venta AH 555 Apart
Unlike conventional humidifiers that rely on steam or filters, the AH 555 uses cold evaporation — a hygienic method that naturally humidifies the air without over-saturating it. The absence of a hygrostat and fragrance dispenser keeps the design straightforward and maintenance-free.
Ideal for...
Home offices and workspaces where dry heating air in winter causes static electricity and irritated mucous membranes. Also suited for bedrooms where quiet operation is essential for uninterrupted sleep.
Application of the Venta AH 555
Fill the 10-litre tank with water to the max fill line
Place the unit on a flat, stable surface at least 30 cm from walls
Select one of three fan speeds depending on room size and desired humidity
Refill when the low-water indicator signals — unit can be refilled during operation
Venta Luftwäscher is a Swiss brand specialising in air washers and humidifiers that use cold evaporation technology. The brand focuses on low-maintenance, filter-free devices designed for continuous operation in residential and office environments. Venta products are engineered for quiet, energy-efficient performance with large water tanks for extended runtime.
The Venta AH 555 is an ultrasonic evaporative humidifier that increases indoor humidity in rooms up to 45 m². It is used to counteract dry air caused by heating systems, reducing static electricity, irritated airways, and dry skin.
The AH 555 is rated for rooms up to 45 m² (approximately 60 m² according to the manufacturer's free-text specification). The three fan speeds allow adjustment to match the room size.
The unit operates at 45 dB(A) on all settings, which is comparable to a quiet conversation. It is suitable for bedrooms and offices where low noise levels are important.
The AH 555 has no replaceable filters or hygrostat, keeping maintenance minimal. Regularly rinse the water tank and wipe the exterior. Descale periodically if hard water is used.
The Venta AH 555 black humidifier, 10-litre water tank, power cable, and operating instructions. No additional filters or accessories are required for basic operation.
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