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Compressor-free dehumidifier for cold basements, garages, boats and unheated rooms – with a dehumidification capacity of up to 9.5 litres per day.
The WDH-DS3 desiccant dehumidifier is specially designed for rooms where conventional compressor dehumidifiers reach their limits due to low temperatures. Thanks to modern desiccant technology, the device operates without a compressor or refrigerant and is suitable for a temperature range of approximately 1 °C to 20 °C. Even at a cool 8 °C, the DS3 achieves a dehumidification capacity of 9 litres per day according to the technical specifications.
Whether in an unheated basement, garage, boat winter storage or cool laundry room: the WDH-DS3 reduces excess moisture even where classic condensation dehumidifiers operate less efficiently. The air output can be adjusted to the respective requirements using three operating levels.
The WDH-DS3 uses the principle of adsorption to dehumidify the room air. Unlike a conventional compressor unit, this technology does not require a refrigerant circuit. This makes the DS3 particularly suitable for unheated rooms and low-temperature environments.
Another advantage is its compact and relatively lightweight design. Weighing only 7.5 kg, the device can be used flexibly in various locations.
The DS3 offers three operating modes that allow the air circulation and noise level to be adjusted:
The desired target humidity can be set between 40 and 70% using the integrated hygrostat. The device can thus be operated according to the humidity requirements. For extended use without manually emptying the water tank, the DS3 features a hose connection for continuous condensate drainage.
The memory function ensures that the device automatically resumes operation with the previously selected settings after a power interruption.
In unheated laundry rooms or cool basements, drying laundry can take particularly long. The WDH-DS3 removes moisture from the room air, thereby supporting the drying process. At the same time, it prevents the moisture generated during drying from spreading unnecessarily throughout the room.
The WDH-DS3 can optionally be equipped with a HEPA filter. This helps filter particles such as fine dust and pollen from the air flowing through the room. This allows the dehumidification function to be supplemented with additional air filtration when needed.
The HEPA filter is not included in the standard delivery scope and must be purchased separately. The air purification function is therefore an optional addition and not part of the standard basic equipment.
Consistently high humidity can promote condensation, musty odours and mould formation in cold rooms. The WDH-DS3 helps remove excess moisture from the room air and improve the indoor climate. Regular humidity monitoring can be particularly useful in basements, garages and winter storage areas.
The WDH-DS3 is particularly versatile and is suitable for small to medium-sized rooms with low temperatures or high humidity levels. Typical areas of use include:
| Model | WDH-DS3 |
|---|---|
| Device Type | Desiccant Dehumidifier |
| Dehumidification Capacity | 9.5 litres per day (30 °C / 80% r.H.) |
| Dehumidification Capacity at Low Temperatures | 9.0 litres per day (8 °C / 80% r.H.) |
| Operating Range | Approx. 1 °C to 20 °C |
| Recommended Room Size | Up to approx. 25 m² |
| Air Circulation Sleep | 140 m³/h |
| Air Circulation Normal | 170 m³/h |
| Air Circulation Turbo | 185 m³/h |
| Noise Level Sleep | 38 dB(A) |
| Noise Level Normal | 42 dB(A) |
| Noise Level Turbo | 49 dB(A) |
| Condensate Tank | Approx. 5 litres |
| Power Consumption | Approx. 715 W during average continuous operation / maximum 730 W |
| Operating Voltage | 220–240 V / 50 Hz |
| Humidity Setting | 40–70% relative humidity |
| Operation | LED control panel with display |
| Dimensions (H/W/D) | 515 × 360 × 240 mm |
| Weight | 7.5 kg |
| Cable Length | Approx. 1.7 m |
| HEPA Filter | Optional, not included in delivery scope |
| Delivery Scope | WDH-DS3 desiccant dehumidifier, power cable, user manual and adapter for Switzerland |
For continuous operation, the device features a drain spout on the back directly above the condensate tank. A suitable hose with a 10 mm inner diameter can be attached directly. The hose must be laid with a continuous downward slope so that the condensate can drain reliably and not back up into the device.
Yes. The WDH-DS3 was specially developed for cold and unheated rooms. Its stated operating range is approximately 1 °C to 20 °C. This makes it particularly suitable for basements, garages and other cool utility rooms.
The stated dehumidification capacity is 9.5 litres per day at 30 °C and 80% relative humidity. At a cool 8 °C and also 80% relative humidity, around 9 litres per day is stated.
Yes. The DS3 is particularly suitable for laundry rooms and unheated rooms where laundry is dried. It reduces the moisture released into the room air during drying, thereby supporting the drying process.
The noise level depends on the selected operating level. In Sleep Mode, it is 38 dB(A), in Normal Mode 42 dB(A) and in Turbo Mode 49 dB(A).
Yes. The condensate can be drained continuously via the integrated hose connection. This means the water tank does not need to be emptied manually regularly. The hose must be laid with a downward slope.
No. The HEPA filter is available optionally and must be ordered separately. With the additional filter, the dehumidification function can be supplemented with air filtration.
Yes. On the back directly above the condensate tank, there is a drain spout. A hose with a 10 mm inner diameter can be attached directly without an additional coupling. Make sure to lay the hose with a continuous downward slope.
The condensate tank holds around 5 litres. When the tank is full, the device is stopped by the automatic shut-off function.
According to the available product specifications, the DS3 is suitable for rooms up to a maximum of 25 m². The actually required capacity depends on the room temperature, humidity level and room characteristics.
The WDH-DS3 is a specialized solution for environments where conventional compressor dehumidifiers lose efficiency. The desiccant technology, three operating levels, the adjustable hygrostat and the option for continuous condensate drainage make it a versatile device for basements, garages, boats and winter storage.
Fast shipping from our own warehouse or from the warehouses of our shipping partners. All warehouses are located in Switzerland, so no additional import or customs clearance costs will be incurred.
All products come with a 2-year warranty. In the unlikely event of a problem, please contact us so that we can resolve the issue quickly and easily.
