WDH-Casa C12 Wall-Mounted Dehumidifier
The WDH-Casa C12 wall-mounted dehumidifier is a compact and space-saving dehumidifier for bathrooms, basements, utility rooms, and other permanently damp interior spaces. Due to its horizontal design, the unit is particularly suitable for wall mounting above doors, in narrow areas, and in utility niches.
Ideal for permanent humidity control: The Casa C12 operates automatically based on humidity levels and can run continuously. Thanks to the direct condensate drain, there is no need to regularly empty a water tank.
Advantages of the WDH-Casa C12
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Wall mounting: Space-saving installation on the wall, ideal for small to medium-sized rooms.
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Automatic humidity control: The unit regulates dehumidification operation based on the current humidity level.
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Direct condensate drain: Water is drained via a hose – there is no water tank to empty.
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Suitable for continuous operation: The rotary compressor is designed for constant operation.
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Low energy consumption: Power consumption is approximately 150–205 W depending on the operating state.
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Quiet operation: With a sound pressure level of approx. 44 dB(A), the C12 is also suitable for living spaces and utility rooms.
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Automatic restart: The unit can automatically resume operation after a power failure.
Ideal for bathrooms, basements, and utility rooms
The WDH-Casa C12 wall-mounted dehumidifier is suitable wherever increased humidity needs to be controlled permanently. Thanks to its fixed installation, it is particularly practical for rooms where regular dehumidification is required.
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Bathrooms: Suitable for bathrooms without windows or with insufficient ventilation options.
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Basements: For the permanent reduction of humidity and condensation in basements up to approx. 30 m².
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Utility rooms: Useful for continuous humidity control in technical utility rooms.
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Storage rooms & archives: Supports controlled room humidity and can prevent moisture damage.
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Holiday homes: Practical for rooms that are not constantly occupied but still require regular dehumidification.
Wall mounting and direct water drainage
The Casa C12 is mounted using a stable wall bracket. Due to its horizontal design, the dehumidifier can be installed in a space-saving manner, for example above a door or in a suitable niche.
The condensation generated during the dehumidification process is drained directly via a hose connection. As a result, no water container is required, and the unit can be operated unattended for longer periods.
Important regarding the condensate drain: The appropriate hose requires an inner diameter of 12 mm. The hose is attached directly to the existing connection and must be installed with a sufficient slope. This prevents condensate from backing up into the unit.
Dehumidification performance
The actual dehumidification performance depends on temperature and relative humidity. The following values are specified for the WDH-Casa C12:
| Temperature / Humidity |
Dehumidification Performance |
| 30 °C / 80 % RH |
12 liters / day |
| 25 °C / 80 % RH |
8 liters / day |
| 20 °C / 80 % RH |
5.6 liters / day |
| 10 °C / 80 % RH |
4 liters / day |
Technical data
| Feature |
Specification |
| Model |
WDH-Casa C12 |
| Application area |
Up to approx. 30 m² |
| Power consumption |
150–205 W |
| Sound pressure level |
44 dB(A) |
| Dimensions (H × W × D) |
32 × 70 × 23 cm |
| Weight |
24.3 kg |
| Power connection |
Switzerland T12 |
| Condensate drain |
Direct hose connection, 12 mm inner diameter |
Usage tips
- Mount the unit in such a way that air can be freely drawn in and blown out.
- The condensate hose should be as short as possible and laid with a continuous slope.
- In bathrooms, the dehumidifier should be mounted outside the direct splash zone.
- For efficient dehumidification, windows and doors should remain closed during operation if possible.
- Check the condensate drain regularly to ensure a clear flow.
Frequently asked questions about the WDH-Casa C12
Is the Casa C12 suitable for bathrooms?
Yes. The WDH-Casa C12 is suitable for damp interior spaces such as bathrooms. However, when mounting, the unit must be installed outside the direct splash zone of showers, bathtubs, or sinks.
Does the Casa C12 require a water tank?
No. The Casa C12 has a direct condensate drain. The water can be led into a suitable drain via an attached hose.
How loud is the WDH-Casa C12?
The specified sound pressure level is approx. 44 dB(A). This makes the wall-mounted dehumidifier suitable for living areas and utility rooms as well.
Can the Casa C12 be operated continuously?
Yes. The WDH-Casa C12 is designed for continuous operation and is therefore particularly suitable for permanent humidity control in basements, bathrooms, and utility rooms.
What type of hose does the Casa C12 require?
For the condensate drain, a hose with an inner diameter of 12 mm is required. This can be attached directly to the existing connection.
How should the condensate hose be installed?
The hose must be laid with a continuous downward slope so that the condensate can drain reliably. Backflow towards the unit should be avoided.
What room size is the Casa C12 suitable for?
The WDH-Casa C12 is designed for rooms up to approx. 30 m². The actual achievable humidity and dehumidification performance depend on factors such as room temperature, humidity, and room conditions.
Space-saving solution for permanently damp rooms: The WDH-Casa C12 combines wall mounting, automatic humidity control, and a direct condensate drain in a compact dehumidifier. Especially suitable for bathrooms, basements, utility rooms, and storage areas.
➔ User Manual WDH-Casa C12 (PDF)