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The 20 Watt 2 speed indoor fan with electric oscillation can only be used in indoor grow rooms, as it is designed to be directly attached to the bars using its hook .
Its diameter is 21 cm.

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The Monkey indoor fan is an oscillating electric booster fan .
There is a 2 speed switch on the back of this 20 watt Monkey fan at 1500 and 2300 rpm .
The speed rated by the manufacturer Secret Jardin is 2.0 m/s . Its main body is made of PVC and under its metal protective grille is a 3-blade PVC propeller with a diameter of 17 cm (6.5 inches).
| Weight | 1.0kg |
| Dimensions | 21cm X 20cm X 21cm |
| Diameter | Fan: 21cm Screw: 16.8cm |
| Speed | Number 2 Maximum rpm: 2300 |
| Wind speed | Distance: 70cm Speed: 2.0m/s |
| Main power supply | Power: 20W Cable length: 240cm MFO20UE: Voltage: 220V Frequency: 50Hz Plug type: Type C (EU) |
For a 60x60 cm micro box, the Oscillating Monkey fan 20W from Secret Jardin is generally suitable to ensure good air circulation and limit stagnation. With its oscillation and two speeds, it effectively distributes air within this limited space.
However, this fan remains rather modest in power. If your space heats up a lot or if you need strong air renewal, it might be necessary to opt for a more powerful model. In a standard growing setup, it offers a good compromise between efficiency and size.
The Oscillating Monkey Fan 20W is specially designed for indoor growing environments, where humidity is often high. Its robustness is ensured by ball bearings that increase its resistance to humidity and improve its durability in these specific conditions.
Regarding continuous operation, this fan is perfectly suitable for prolonged use. The ball bearings limit friction and motor heating, which significantly reduces the risk of overheating. However, as with any electrical device, regular monitoring is recommended to ensure optimal operation.
In summary, this fan offers excellent reliability in a humid climate and can run continuously without major issues.
The Secret Jardin Monkey oscillating fan consumes exactly 20W continuously. Over a full day of 24 hours at full power, this represents a consumption of approximately 0.48 kWh, or about 14.4 kWh per month.
Regarding the programming of oscillation time slots via an external application, this model does not have this native functionality. It is possible to manage the on and off with a classic electric timer, but oscillation and speed cannot be controlled independently or via an app.
The Oscillating Monkey fan 20W is designed for indoor growing with low consumption and ball bearings ensuring smooth operation, suggesting a moderate noise level. However, no precise data on noise in decibels is available.
To preserve the microclimate and not disrupt the nighttime growth of plants, it is generally recommended that the fan noise remains below 50 dB. Without official measurement, it can be presumed that this fan, designed for horticultural use, is suitable, but this claim remains to be confirmed by a sound test.
If silence is a crucial criterion, you may also consider models specifically indicated for their quiet operation.
The Monkey oscillating 20W fan from Secret Jardin is perfectly suited for a growing space of 60x60x120 cm. Its power and airflow are well-suited for this size, ensuring optimal circulation without excess. Its oscillation system guarantees an even distribution of air, avoiding hot or stagnant spots.
Additionally, thanks to its ball bearings, this fan remains silent and robust, ideal for a confined environment. Easy to attach to the poles of your tent, it takes up no floor space and adjusts to the desired height. It is an effective choice for maintaining a healthy climate in your small LED grow.
To optimize air circulation with the Monkey fan in a confined space, it is ideal to mount it on the vertical bars of the tent at a height where the airflow passes above or around the plants without touching them directly. With its adjustable tilt of ±15°, you can direct the fan towards the growing canopy or lower during flowering to avoid stagnant moisture.
Activate the oscillation to evenly distribute the air and avoid dead zones. Good ventilation, renewing the air at least twice an hour, prevents humidity-related issues while promoting healthy and vigorous growth.
The Secret Jardin Monkey 20W oscillating fan operates at a maximum speed of 2300 RPM and is equipped with ball bearings for significant durability. Although the exact noise level is not specifically indicated, it can be estimated to be around 40 to 50 decibels at full power. This moderate noise is comparable to that of a standard desk fan, thus offering a balance between performance and discretion in an indoor growing environment.
The Monkey 20 W oscillating fan is ideal for ensuring good air circulation in a single standard-sized grow box. Using it simultaneously on two boxes in parallel is not recommended as its moderate power will not allow for effective ventilation of both spaces. This may lead to insufficient ventilation, fostering humidity or heat issues.
There is no risk of the fan overheating itself thanks to its ball bearings and manufacturing quality, but to ensure optimal ventilation, it is better to provide a dedicated fan for each box.
The Monkey 20W oscillating fan offers adjustable oscillation and a tilt angle of up to 45°, allowing good air distribution in a 1x1m tent. Its compact size and wind speed of around 2 m/s ensure effective circulation in this volume.
However, if the arrangement of plants or equipment creates areas where air stagnates, it may be useful to add a fixed fan. This latter will specifically target these points to prevent the accumulation of moisture and warm air.
In summary, the Monkey 20W is generally sufficient for a tent of this size, but a complementary fixed fan can perfectly optimize ventilation according to the interior layout.
The oscillating Monkey fan from Secret Jardin at 2300 RPM and 20W does not have an official air flow rate provided. However, based on similar models, an approximate flow rate of 250 m³/h can be estimated.
With this estimation, its energy efficiency would be about 12.5 m³/h per watt (250 m³/h ÷ 20 W). This value reflects the quality of Monkey fans, providing a good balance between power and consumption.
The 20W oscillating Monkey fan is ideally controlled via an automatic controller that manages the on, off, and two possible speeds. By integrating temperature, humidity, or CO2 sensors, it activates only when air quality requires, avoiding constant consumption at full power.
Its oscillation function ensures a uniform air distribution, allowing for intermittent operation while maintaining efficient ventilation in your growing space. The fan easily attaches to tubes ranging from 16 to 30 mm, which facilitates its optimized positioning to maximize air renewal without multiplying consumption sources.
In summary, intelligent automation combining sensors and speed management controller ensures that the 20W limit is never exceeded while guaranteeing a well-ventilated and healthy environment for your plants.
The Monkey 20W fan from Secret Jardin connects directly to a standard 230 V mains socket. For a 120x120 cm closet, the supplied cable is usually sufficient to reach a nearby socket without requiring an extension.
If the socket is too far away, a standard extension can be used without issue, but this is not a requirement related to the fan itself. Just be sure to position the cable properly to avoid any tension or risk of damage, especially if the fan is mounted high or on a tube.
The Monkey oscillating fan with ball bearings of 20W generates an air flow of approximately 250 m³/h, which means a speed of 2 m/s at 70 cm. In a 1x1m SCROG under 350W LED, this air flow is ideal for controlling temperature by effectively dissipating the heat emitted by the lights, thus limiting hot spots and reducing thermal stress on the plants.
Moreover, its oscillation ensures homogeneous air circulation throughout the canopy, mechanically stimulating the stems, which helps to control the height of the plants by preventing stretching. Its adjustable mounting allows for precise positioning to optimize this flow.
Finally, its low consumption (20W) with two speeds facilitates continuous, efficient, and economical ventilation to ensure a stable microclimate favorable for indoor cultivation.
The 20W Oscillating Monkey fan consumes approximately 20 watts during operation. For continuous use of 24 hours, this represents a consumption of about 0.48 kWh per day.
With an average residential EDF rate of €0.22 per kWh, the daily cost is approximately €0.11, resulting in an estimated monthly impact of €3.30.
| Parameter | Value |
|---|---|
| Nominal power | 20 W (0.02 kW) |
| Daily consumption | 0.48 kWh (24 h × 0.02 kW) |
| Average EDF rate | ~€0.22/kWh |
| Estimated daily cost | ~€0.11 |
| Estimated monthly cost | ~€3.30 |
This estimate helps you anticipate the energy and financial impact of continuous fan use in your growing space.
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