Manufacturing Capabilities
In-house precision HVLS blade extrusion, direct-drive PMSM motor assembly, and automated testing bays.
About RTFANS · Kool Air International
Industrial Cooling and Ventilation, Engineered for Scale.
RTFANS is the global brand of Kool Air International Development Ltd., established in 2003. We engineer and manufacture large-space ventilation and evaporative cooling systems for industrial facilities, distribution hubs, commercial arenas, and agricultural complexes worldwide.
2003Company established (23 years of experience)
81Countries and regions in 2025 export record
4Continents served globally
100%Pre-shipment full-load factory inspection
Company Foundation & Capabilities
Since 2003, our engineering focus has centered on solving severe thermal discomfort and air stagnation in expansive, high-ceiling facilities. Through direct-drive PMSM innovations, aerodynamic extruded fan blades, and integrated evaporative fresh-air systems, RTFANS delivers measurable thermal relief designed strictly around physical facility parameters.
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Quality Control Systems
100% full-load inspection, dynamic rotor balancing, electrical safety verification, and safety cable tensile testing.
Global Export Reach
Official export record covering 81 countries and regions across Asia (32), Europe (12), Africa (14), and the Americas (23).
Engineering Team
Dedicated application specialists and HVAC technical sales engineers providing custom layout calculations.