Dongguan Kool Air International Co., Ltd.
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Welcome to RTFANS!

With 17 years’ experience in the market, Kool Air International Co., Ltd, has become an industry leader in evaporative cooling technology and also an expert in big space ventilation and cooling.

We believe our business will certainly be able to achieve and win-win!

Our brand “RTFANS” and “RDF” are the most popular in HVLS fan and evaporative air cooling field. Kool Air aims to be your perfect solution provider on air processing with full range of evaporative cooling and ventilation products including evaporative air coolers, cooling pads, HVLS fans, for household, commercial, industrial as well as agricultural use.


Fan&Cooler Combo

Industrial Air Cooler

Portable Air Cooler




Construction works

Food & Coffee Shops

Used Large Space

Logistic Center


Station Hall

Choose your language

Why choose RTFANS?

Energy saving & Economical solution

18 years focused in big space Ventilation and Cooling

One solution for ALL

Quality Assured, Maintenance-free

Why so many people use HVLS FANS?

Big space coverage ventilation with low power consumption is the core competence of HVLS fan. Together with quiet soft breeze, low noise, ceiling installed to save your space, together with our combined evaporative cooling system, you comfort your employees with a perfect cool summer.