Advantages of Installing Big HVLS Fan


The big HVLS Fan diameter up to 7.3 meters and blade in streamline type to allow users to enjoy 1-3m/s 3D air supply to form a natural breeze system.


Easy to use

The new frequency conversion with a step-less speed control system is easy to use and user-friendly operation interface allows you to enjoy the beauty of life.

Beautiful and Durable

After complicated surface treatment, the product can avoid the pain of cleaning. The big HVLS Fan has high-cost performance and the lifespan of each fan can reach more than 10 years.


Energy Saving

Perfect streamlined design and strict measurement selection test, one big HVLS Fan can effectively cover an area of more than 1,500 square meters and consume only 1.5KW of power consumption.

RTFANS cooperates with the pioneering technical team of big HVLS Fan and well-known scientific research institutions to integrate market resources, research repeatedly on technical problems, barriers, customer feedback, safety and instability factors of similar products at domestic and abroad, and then innovate to launch the new fans of safe, environmentally friendly and efficient “Generation 7 in the industry”.

Kool Air International Co., Ltd is a Chinese professional supplier for RTFANS HVLS Fan, Evaporative Cooling Products and Solutions with more than 18 years’ experience. Our quality products can be used widely in fields of household, commercial, industrial, livestock as well as agricultural. Kool Air aims to be your perfect solution provider on-air processing.

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