Water curtain fan is also called water curtain air conditioner for short. It's all this generic term. The cooling effect is 6-8 degrees. The cooling effect of the workshop is better. The disadvantage is that the humidity is high. The name and environmental protection air conditioner are evaporative water air conditioners. Environmental protection air conditioner is an independent refrigeration air conditioner, and the temperature at the refrigeration outlet can be reduced to about 4 degrees by air. The humidity is relatively low. It's just that different parts of the industry are suitable for different purposes. Dongguan wind source manufacturer provides technical parameters.