Evaporative Air Cooler Manufacturer.
Evaporative air coolers often used to cool Open Spaces in production workshops or warehouses.
Evaporative Air Cooler Manufacturer.
What is evaporative air cooler?
An industrial evaporative air cooler (also called a swamp cooler, desert cooler) is a device that cools air through water evaporation, often used to cool Open Spaces in production workshops or warehouses. Evaporative cooling uses the fact that water absorbs heat in order to evaporate (that is, it has a large enthalpy of vaporization). The temperature of dry air can be dropped significantly through the phase transition of liquid water to water vapor (evaporation). This can cool air using much less energy than refrigeration. In extremely dry climates, evaporative cooling of air has the added benefit of humidifying and adding more moisture to space.
The cooling potential for evaporative cooling is dependent on the wet-bulb depression, the difference between dry-bulb temperature and wet-bulb temperature (see relative humidity). In arid climates, evaporative cooling can reduce energy consumption and total equipment for conditioning as an alternative to compressor-based cooling.
What is the basic working principle of air cooler?
Filtered and cooled by an evaporative air cooler, the fresh outdoor air is sent into the indoor space through the air duct and air supply outlets continuously. With the continuous supply of fresh air, the indoor space is in a positive pressure condition. Thus the original hot air containing odour and dust will be emitted out of the room, resulting in a fresh, ventilated, clean and comfortable environment. Suitable exhaust area and active exhaust are essential for satisfactory performance of any evaporative air cooling system.
Air Cooler Relative Humidity
This zone is not applicable as in reality when the temperature is relatively high, RH is predominantly lower than the supply air temperature.With the wind-chill effect, the effective temperature for thermal human comfort is 1~2℃ lower than the Supply Air Temperature.
| Amb. Temp |
Relative Humidity | |||||||
|---|---|---|---|---|---|---|---|---|
| 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | |
| 20 | 12 | 13 | 14.5 | 15.5 | 16.5 | 17.5 | 18.5 | 19.2 |
| 25 | 16 | 17 | 18.5 | 20 | 21 | 22 | 23 | 24 |
| 30 | 19.5 | 21 | 22.5 | 24 | 25 | 25 | 28 | 28.9 |
| 35 | 23 | 25 | 26.5 | 28.5 | 30 | 30 | 32.5 | 33.7 |
| 40 | 25.6 | 28.1 | 30.4 | 32.3 | 33.9 | |||
| 45 | 29.2 | 32 | 34.4 | |||||
| 50 | 32.7 | 35.8 | ||||||
Air Cooler Model List
| Model | Voltage Frequency | Max Airflow | Working Current | Power Consumption | Physical Size (mm) | AirOutlet (mm) | Net Weight | Water Tank | Water Consumption | Applicable Area |
|---|---|---|---|---|---|---|---|---|---|---|
| RTF-20A | 380V/50Hz | 20000m³/h | 3.5A | 1.1kW | 1120*1120*1030 | 670*670 | 60KG | 25L | 60L/Day | 100~150m² |
| RTF-20B | 380V/50Hz | 20000m³/h | 3.5A | 1.1kW | 1120*1120*1030 | 670*670 | 57KG | 35L | 60L/Day | 100~150m² |
| RTF-20C | 380V/50Hz | 20000m³/h | 3.5A | 1.1kW | 1120*1120*1030 | 670*670 | 60KG | 25L | 60L/Day | 100~150m² |
| Model | Voltage Frequency | Max Airflow | Working Current | Power Consumption | Physical Size (mm) | AirOutlet (mm) | Net Weight | Water Tank | Water Consumption | Applicable Area |
|---|---|---|---|---|---|---|---|---|---|---|
| RTF-25A | 380V/50Hz | 25000m³/h | 4.5A | 1.5kW | 1120*1120*1300 | 670*670 | 79KG | 25L | 105L/Day | 150~200m² |
| RTF-25B | 380V/50Hz | 25000m³/h | 4.5A | 1.5kW | 1120*1120*1300 | 730*730 | 87KG | 35L | 105L/Day | 150~200m² |
| RTF-25BL | 380V/50Hz | 25000m³/h | 11.6A | 5.5kW | 1470*1470*1400 | 620*570 | 360KG | 65L | 110L/Day | 200~250m² |
| Model | Voltage Frequency | Max Airflow | Working Current | Power Consumption | Physical Size (mm) | AirOutlet (mm) | Net Weight | Water Tank | Water Consumption | Applicable Area |
|---|---|---|---|---|---|---|---|---|---|---|
| RTF-30A | 380V/50Hz | 30000m³/h | 5.6A | 2.2kW | 1470*1470*1350 | 800*800 | 175KG | 65L | 112L/Day | 200~250m² |
| RTF-30B | 380V/50Hz | 30000m³/h | 5.6A | 2.2kW | 1470*1470*1350 | 800*800 | 185KG | 65L | 112L/Day | 200~250m² |
| RTF-30C | 380V/50Hz | 30000m³/h | 5.6A | 2.2kW | 1470*1470*1380 | 800*800 | 188KG | 65L | 112L/Day | 200~250m² |
| Model | Voltage Frequency | Max Airflow | Working Current | Power Consumption | Physical Size (mm) | AirOutlet (mm) | Net Weight | Water Tank | Water Consumption | Applicable Area |
|---|---|---|---|---|---|---|---|---|---|---|
| RTF-35B | 380V/50Hz | 35000m³/h | 15.4A | 7.5kW | 1770*1770*1350 | 780*702 | 360KG | 80L | 110L/Day | 200~250m² |
| RTF-36A | 380V/50Hz | 36000m³/h | 6.5A | 3.0kW | 1470*1470*1350 | 800*800 | 175KG | 65L | 120L/Day | 200~250m² |
| RTF-36B | 380V/50Hz | 36000m³/h | 6.5A | 2.2kW | 1470*1490*1350 | 800*800 | 185KG | 65L | 120L/Day | 200~250m² |
| RTF-36C | 380V/50Hz | 36000m³/h | 6.5A | 3.0kW | 1470*1470*1380 | 800*800 | 185KG | 65L | 120L/Day | 200~250m² |
| RTF-45B | 380V/50Hz | 45000m³/h | 24.5A | 11kW | 2090*1970*1630 | 858*764 | 585KG | 100L | 260L/Day | 200~300m² |
| Model | RTF-20A |
|---|---|
| Voltage Frequency | 380V/50Hz |
| Max Airflow | 20000m³/h |
| Working Current | 3.5A |
| Power Consumption | 1.1KW |
| Physical Size | 1120*1120*1030mm |
| Air Outlet | 670*670mm |
| Net Weight | 60KG |
| Water Tank | 25L |
| Water Consumption | 60L/Day |
| Applicable Area | 100~150m² |
| Model | RTF-25B |
|---|---|
| Voltage Frequency | 380V/50Hz |
| Max Airflow | 25000m³/h |
| Working Current | 4.5A |
| Power Consumption | 1.5KW |
| Physical Size | 1120*1120*1300mm |
| Air Outlet | 730*730mm |
| Net Weight | 87KG |
| Water Tank | 35L |
| Water Consumption | 105L/Day |
| Applicable Area | 150~200m² |
| Model | RTF-30C |
|---|---|
| Voltage Frequency | 380V/50Hz |
| Max Airflow | 30000m³/h |
| Working Current | 5.6A |
| Power Consumption | 2.2KW |
| Physical Size | 1470*1470*1380mm |
| Air Outlet | 800*800mm |
| Net Weight | 188KG |
| Water Tank | 65L |
| Water Consumption | 112L/Day |
| Applicable Area | 200~250m² |
| Model | RTF-36A |
|---|---|
| Voltage Frequency | 380V/50Hz |
| Max Airflow | 36000m³/h |
| Working Current | 6.5A |
| Power Consumption | 3.0KW |
| Physical Size | 1470*1470*1350mm |
| Air Outlet | 800*800mm |
| Net Weight | 175KG |
| Water Tank | 65L |
| Water Consumption | 120L/Day |
| Applicable Area | 200~250m² |
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RTFANS Air Cooler Application Solutions
Air Cooler For Warehouse
Air Cooler For Factory
Air Cooler For Industrial
RTFANS Innovation Standard
Bigger Airflow
Greater Wind Pressure
Lower Wind Resistance
Clean Automatically
International Appearance
- High efficiency cooling pad
- Innovative frequency conversion control design
- Water spray resistance grille in streamline design
- Multiple anti-blocking filter net
- Motor with low failure and high temperature resistance
- Simulation fluid dynamics design
- Open soft pipe water distribution system
- High quality and durable water pump
- Automatic water replenishment design
RTFANS Air Cooler Advantage
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Low investment and high efficiency. |
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Low power consumption, only 1 kWh per hour. |
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Increase the oxygen content in the space and improve working efficiency. |
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The cooling effect is strong and rapid. |
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Wind a large amount of air distance and easy maintenance. |
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Stable performance, reliable quality. |
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Freely adjust air humidity. |
Data for air exchange frequency in various places.
- Air exchange frequency(times/h)=total air flow rate(m3/h) ÷ indoor space volume.
- 20~30 times per hour for general environment;
- 30~40 times per hour for crowded public place;
- 40~50 times per hour for workshop with heating equipment;
- 50~60 times per hour for workshop with high temperature and high air pollution;
- Air exchange frequency can be increased in damp areas, and decreased in dry places.
The way to calculate the cooler quantity needed.
- Cooler quantity needed = indoor space volume × air exchange frequency ÷ cooler air flow rate.
- Spot cooling projects shall vary based on the actual situation.
- The ducting system shall be matched with the air cooler model, and air outlet quantity shall be considered when designing.
Air Cooler Product Comparison
| Cooling Equipment | ||||
|---|---|---|---|---|
| Type | Evaporative Air Cooler | Air Conditioning | Ventilation Fan | |
| Capacity | 18000m³/h | 400000 BTU/h | 40000m³/h | |
| kW | 1.1 | 54 | 1.1 | |
| Workspace | Area(㎡) | 1000 | 1000 | 1000 |
| Effective Height(m) | 4 | 4 | 4 | |
| Air Change Per Hour | 30 | Recirculating | 30 | |
| Electrical Energy Consumed @10hrs/days @26day/mth |
Total Units Installed | 10 | 2 | 8 |
| Total KW Installed(kW) | 11 | 108 | 8.8 | |
| Electrical Units Consumed | 34320 KW/Y | 336960 KW/Y | 27456 KW/Y | |
| Cost Comparison With
Reference to AC |
10.1% | 100% | 8% | |
| Effects Of Various Cooling Methods | Pushes out hot, taste air and ventilates with Cool Clean & Fresh Air. |
Circulates air inside only It is ineffective in heat generating space. | Only moves ambient air but offers no relief as temperature rises. | |
