Pre-OrderRAM 20L Dehumidifier
£179.96£199.95Save £19.99
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Description
The RAM 20L Dehumidifier is designed to efficiently control humidity in indoor environments, removing up to 20 liters of moisture per day. This makes it particularly useful in grow rooms, where maintaining optimal humidity is essential to prevent mold, mildew, and other moisture-related problems that can affect plant health and yield.
Features and Benefits for Grow Rooms:
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High Dehumidification Capacity: The unit can remove up to 20 liters of moisture daily, making it ideal for large grow rooms that require efficient humidity control to support healthy plant growth.
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Constant or Targeted Humidity Control: You can set the dehumidifier to run continuously to dry out a space or maintain a specific Relative Humidity (RH) level by adjusting the settings. This is especially useful during various growth phases when different humidity levels are needed.
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24-Hour Timer: The unit can be programmed to turn on or off after a set period of up to 24 hours, giving you the flexibility to control humidity in line with your grow room’s schedule and energy-saving needs.
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Quiet Mode for Discreet Operation: Quiet Mode reduces fan noise and dims the display, allowing the dehumidifier to work discreetly, such as during nighttime periods when noise sensitivity is higher.
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Child-Lock Feature: To prevent tampering, the Child-Lock function secures the settings, ensuring the unit continues to operate as programmed, which is crucial in shared or accessible spaces.
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Flexible Condensate Management: The dehumidifier includes a large 4.3-liter tank for water collection, and it can also be set up for continuous drainage into an external drain, minimizing the need for manual emptying. The unit will automatically shut down and alert you when the tank is full.
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Easy-to-Use Electronic Display: The user-friendly electronic controls allow for quick adjustments, ensuring the dehumidifier operates effectively to maintain ideal conditions in your grow room.
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Environmentally Friendly Refrigerant: Using R290 refrigerant, the unit is more eco-friendly compared to traditional options, supporting sustainable growing practices.
Technical Specifications:
- Dehumidification Capacity:
- 10 L/day at 27°C, 60% RH
- 20 L/day at 30°C, 80% RH
- Power Consumption:
- 280 W / 1.7 A (27°C, 60% RH)
- 330 W / 2.3 A (30°C, 80% RH)
- Noise Emission: ≤ 41 dB (A), making it suitable for quiet operation in sensitive environments.
- Tank Capacity: 4.3 liters with an optional continuous drainage feature.
- Dimensions: 305 mm (W) x 235 mm (D) x 495 mm (H).
- Weight: 13.5 kg.
- Operating Temperature Range: 5°C (41°F) - 35°C (95°F).
- Minimum Room Size: Suitable for spaces over 4 m².
FAQs:
Q: Where can I use the RAM 20L Dehumidifier?
A: This dehumidifier is suitable for any indoor space with a floor area of more than 4 m². For optimal performance, keep windows and doors closed and position the unit at least 30 cm from any wall to ensure proper air circulation.
Q: How dry will the RAM 20L Dehumidifier make my room?
A: You can set your preferred Relative Humidity level, and the unit will dehumidify the room until it reaches and maintains that level. For rapid drying, such as after flooding or for drying laundry, set the unit to Drying mode, and it will dehumidify the space until the RH reaches as low as 20%.
This dehumidifier is an excellent addition to any grow room setup, offering powerful humidity control, flexibility, and user-friendly operation to ensure your plants thrive in the best possible environment.
Key facts
| Type | Dehumidifier |
|---|---|
| Brand | RAM |
| Removes | 10 litres a day at 27°C and 60% RH; 20 litres a day at 30°C and 80% RH |
| Power | 280 W (27°C, 60% RH); 330 W (30°C, 80% RH) |
| Noise | 41 dB(A) or less |
| Water | 4.3 litre tank, or continuous drain |
| Size | 305 mm wide, 235 mm deep, 495 mm high; 13.5 kg |
| Works between | 5°C and 35°C |
| Room | Over 4 m² floor area |
| Also | 24-hour timer, quiet mode, child lock, R290 refrigerant |
| Maker's part number | 09-435-480 |
| Product code | 10955 |
| Category | Humidity Control |
How to use
Stand the unit at least 30 cm from any wall and keep doors and windows closed. Set a target humidity and it will dry the room to that level and hold it. Drying mode runs it until the humidity is as low as 20%. The VPD chart shows what to aim for at each stage.
Run a hose to a drain for continuous drainage, or empty the 4.3 litre tank: the unit stops and alerts you when it is full. For a smaller space see the RAM 12L dehumidifier.
Questions
How much water does it really remove?
It depends on the room: 10 litres a day at 27°C and 60% humidity, and 20 litres a day at 30°C and 80% humidity.
How big a room does it need?
Any indoor space over 4 m² floor area. Keep it at least 30 cm from the walls.
How dry can it get the room?
To the humidity you set. In drying mode it keeps going until the humidity is as low as 20%.
Growers’ guides
- VPD Chart: What Vapour Pressure Deficit Means for Your PlantsVPD explained in plain terms, with a chart by temperature and humidity, the ranges to aim for at each stage, and how to measure and control it.
- The Importance of Airflow, Temperature & Humidity in a Grow RoomCreating the perfect environment inside your grow room isn’t just a matter of comfort for your plants - it’s the foundation of healthy growth, efficient…




