Large-volume air coolers are ideal for maintaining a pleasant temperature in large spaces such as workshops, hangars, warehouses, stores and sports halls. Designed to efficiently cool these vast surfaces, these units use the principle of water evaporation, a natural method that’s both environmentally-friendly and energy-efficient. The choice of model depends primarily on the size of the room to be cooled, but several other criteria must also be taken into account. Selecting the right cooler is essential to guaranteeing comfortable working conditions while keeping energy costs under control. This articlewill help youchoose the rightair cooler for a large volume.
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How air coolers work
Water evaporation cooling
The air cooler works on the principle of water evaporation, a thermodynamic process that naturally and effectively lowers room air temperature. The cooler draws warm air from the room using a powerful fan, then passes it through a water-soaked media.
On contact with the warm air, the water evaporates, absorbing the heat and cooling the air before it enters the room. The air cooler is adiabatic and offers several speeds to adjust air flow, ensuring optimal cooling in a short time.
Advantages of an evaporative cooler over an air conditioner
Air coolers are distinguished by their enhanced efficiency when outside temperatures are high and the air is dry. Unlike traditional air conditioners, their performance increases with heat and dryness, guaranteeing optimum cooling in industrial environments.
They’re also more environmentally friendly, as they emit no refrigerant gases and consume little energy. They are more economical than air conditioners, with a lower purchase price and no installation costs. What’s more, they’re easy and inexpensive to maintain, requiring neither specialized tools nor special technical skills, which reduces the response time in the event of maintenance.
An evaporative cooler provides a significant temperature reduction, from 4 to 12°C, without causing thermal stress or an excessively cold sensation, drawbacks frequently associated with air conditioning. What’s more, the air remains pleasantly humidified, preventing dehydration and the discomforts associated with overly dry air, another disadvantage often associated with air conditioning. The integrated filters and UV lamp also ensure improved air hygiene.
Finally, thanks to their mobile configuration, evaporative coolers are ideal for cooling areas close to workstations, machines or servers, preventing the risk of equipment overheating while improving operator comfort. However, their effectiveness depends on the right sizing of the unit and the time required to reach the desired temperature.
In what types of building can the adiabatic air cooler be used?
Industrial air fresheners are particularly suitable for well-ventilated rooms or those open to the outside. They are ideally suited to large spaces and are not recommended for small, enclosed rooms. This makes them ideal for a variety of sectors, including the automotive, metalworking, chemical and printing industries, where efficient, cost-effective cooling is essential. They are also widely used in commercial, retail and sports facilities, providing a high-performance cooling solution in these environments.
Selection criteria for large-volume air coolers
Here are the main criteria to consider when buying an industrial air cooler:
- Air flow capacity
A cooler must offer an air flow rate adapted to the surface area of the space to be cooled. A powerful unit ensures even, efficient distribution of cool air, optimizing user comfort. For a workshop or warehouse of 100 to 200 m², a cooler with an airflow of 10,000 to 20,000 m³/h is recommended. For larger areas of over 500 m², a model with an airflow of 30,000 m³/h or more will be more efficient.
- Water tank size
The capacity of the water tank has a direct impact on the machine’s autonomy. The greater the capacity, the longer the machine can be used without the need for frequent refilling. A 50 to 100-liter tank provides 4 to 8 hours of continuous use. Industrial models designed for very large spaces can hold up to 300 liters, reducing the frequency of refills.
- Noise level
Industrial air coolers are often appreciated for their quiet operation. Unlike air conditioners with noisy compressors, these units rely on a silent ventilation system, generally between 50 and 65 dB, depending on the power selected. A 15,000 m³/h model will produce an average of 55 dB, the equivalent of a normal conversation.
- Mobility and ease of use
A mobile model offers greater flexibility of use. Thanks to sturdy castors and a weight ranging from 30 to 80 kg, depending on capacity, coolers can be moved easily from one point to another. Some products include a remote control and adjustable fan speeds for added comfort. Installation and start-up are generally quick, reducing the time to use.
- Energy consumption
An industrial air cooler is much more economical than an air conditioner. Power output generally ranges from 200 to 2,000 W, depending on the size of the unit. Its low energy consumption makes it an ideal solution for cooling large spaces efficiently, without increasing electricity bills. By comparison, an equivalent industrial air conditioner will require 5 to 10 times more energy.
Our Obera products: a complete range of industrial air coolers
Obera offers a wide range of silent air coolers designed to cool large spaces with intensive cooling requirements.
| Mobile cooler | |||
| Product | IC12 | IC22 | IC30 |
| Cooling surface | 80 to 150 m² of floor space | 150 to 250 m² of floor space | 200 to 400 sq.m. |
| Air flow | 12,000m3/h | 22,000m3/h | 30,000m3/h |
| Fan speeds | 3 | 3 | 3 |
| Low noise level | 54 to 63 decibels | 58 to 68 decibels | 66 to 70 decibels |
| Water tank | 70 L | 130 L | 280 L |
| Tare weight | 43 kg | 50 kg | 110 kg |
| Power | 440 W | 640 W | 850 W |
Choosing the right air cooler for your large spaces
To choose the right air cooler, you need to consider a number of criteria: a good air flow, a large water tank, and a quiet, energy-efficient unit. The power of the system plays a key role in cooling efficiency. A high-performance fan ensures good air circulation and optimizes flow, thus avoiding poorly cooled areas.
Some products feature multiple fan speeds, enabling power to be adjusted as required. For added convenience, a remote control makes it easy to set parameters from a distance. Finally, whether you’re Whether you choose a mobile cooler for greater flexibility or a fixed model for long-lasting installation, it’s important to select equipment that precisely meets the requirements of your space. And don’t forget to check customer reviews and delivery times before you buy.
