PMSM HVLS Fan for School


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RTFANS is a professional corporation that has specialized in the development, manufacture and marketing of high-quality fans for schools,warehouses, open spaces or other large areas for over 20 years.

Products Description

RTFANS is a professional corporation that has specialized in the development, manufacture and marketing of high-quality fans for schools,warehouses, open spaces or other large areas for over 18years. We have perfected and innovated everything from fan design to the right fan for your school or the large area and how to choose the right ceiling fan.

As a manufacturer of industrial fans, we design, build and supply high quality, high performance, low cost and high-quality fans, including supportive installations. We also carry a wide variety of fans in various sizes and shapes, all of which can be used in both commercial and industrial applications. For more information about our product range and a complete list of our products, please keeping reading this passage and visiting our website.

Large PMSM HVLS Fan are very beneficial, and they are essential for large and small spaces. They provide healthy and fresh air in the area. Many factories, shopping malls, farms, libraries are using large commercial fans; therefore, they are in demand. You can also get an HVLS fan for small space, there are different sizes available for different places. Manufacturers are trying new and more advanced technologies. PMSM fan is also a new technology that is still in improvement stages. It has its advantages and disadvantages. So, we will discuss all the disadvantages of this new technology. But before getting into the disadvantages, we would like to discuss PMSM HVLS Fan.

As the direct drive of permanent magnet synchronous motor, the PMSM HVLS Fan, driven by the motor, saves the reducer link, has no gear and high-speed running bearings, so it is free to replace the oil, the reduction of the gear and bearing replacement maintenance and so on. It has really done the maintenance free and greatly improved the service life of the industrial large fan. It brings a more reliable experience for the user.

The PMSM HVLS Fan keeps the temperature evenly from floor to ceiling and slowly distributes large amounts of air throughout the year. This fan produces cool, refreshing air that helps industrial blowers, which are different from axial fans because of the way they move air. The large volume of this fan drives the fan and reflects the extension of its blades.

If you are in a commercial space like the school or the building, PMSM HVLS Fan is best suited for this. PMSM HVLS Fan can be used in any environment that requires a larger fan. Because HVLS fan brings omni-directional circulation wind, it is ideal for schools and other large spaces such as classrooms and hall. HVLS fans are more efficient and cost-effective, more effective than a small base fan and can save you up to 30% of your energy costs and keep you productive. PMSM HVLS Fans offer great savings, they can cause a lot of problems for the school.

Other HVLS fans brands like Big Ass fan, Kale fan and Micro Air, their ceiling fan has a main function, namely to rotate at very high speeds and to be available for sale. HVLS fans and large ceiling fans ensure massive air movements in industrial and commercial areas and are durable and cost-effective.

If You want a PMSM HVLS Fan to cool a commercial or industrial area to improve ventilation in a large interior, RTFANS PMSM HVLS fan is designed for your frequent use.

Fan Dia.7.3m/24ft6.1m/20ft5.5m/18ft
Air Flow(m³/min)12,60011,2009,800
Application Area1,600m²1,200m²850m²

Product Advantages

18ft HVLS Big Industrial Ceiling Fans
  • German “Nord” Customizedcoaxialbevelreductiongears With Diameter Ofaxle 40mm 
  • German “Simrit”Double Oil Sealdesign,Durableandreliable  “Shell”
  • opclass “Omala” S4 Lubrication Oil, Zeromaintenancefor Over 20000 Hours 
  • IE3 High Efficiencymotor With Imported“SKF-VL”Bearing, Save Energyby 10-15% Than IE1motor. 
18ft HVLS Big Industrial Ceiling Fans
  • Innovativedouble Chassisdesign,Moredurableandsteady 

  • Importedaeronauticaluminumalloy (Aa7075) 

  • Forgedby 1000Tmachine With 570Mpaextension Strength 

  • T6 Heatprocessing

18ft HVLS Big Industrial Ceiling Fans
  • High Strength Aircraft Aluminum Alloy:AA6063T6511, PVFD Surface Coating. 

  • Patented Airfoil Design, And Special Reinforcing Rib Supporting System, Increase The Strength And Flexibility. 

  • Inner Equipped Steel Cable Design To Prevent Fan Blade Falling

18ft HVLS Big Industrial Ceiling Fans

Unique Cardan Joint Design, Working As A Human Beings’ Joint, This Allows The Fan To Find Its Own Vertical Position No Matter What The Slope Of The Building, And Helps To Decrease The Shocking Of Fan During Running. 

18ft HVLS Big Industrial Ceiling Fans
  •  Denmark “DANFOSS"VFD Inverter, With Stepless Speed Regulation.

  •  IP55motorprotectiongradeand NEMA1 Standardcontrolbox.

  •  "Schneider"Brandelectrical Sets, With Safetyprotection Module Inside. 

18ft HVLS Big Industrial Ceiling Fans

"Mortise And Tenon Joint Structure" Welded By Robot, Traditional Technique With Double Guarantee On Q345B High-Strength Structural Steel

18ft HVLS Big Industrial Ceiling Fans
  •  Anti-skip design, more safety and reliable. 

  • H beam, Rigid frame and Concrete installation structure are options, and customized for special building structure. 

18ft HVLS Big Industrial Ceiling Fans

6 Pcs Airfoils Are Connected Into A Whole With 6 Pcs Safety Retainer. 


  • large area coverage with minimal power use

  • In essence, Silent is more muffled than a human discussion.

  • tridimensional wind coming from every anglecompact a

  • nd stylish-looking

  • Comfortable, gentle breeze that is natural

  • No upkeep required, long lifespan


Installation Conditions



PMSM is short for permanent magnet synchronous motor, which is the motor technology used in the HVLS fan. HVLS stands for high volume low speed, meaning it moves a lot of air at a low RPM.

PMSM HVLS fans are energy efficient, quiet, and provide adequate air circulation in large spaces like school gymnasiums, auditoriums, and classrooms, enhancing the learning and working environment.

The size of the fan depends on the size of the room it is intended for. You can consult with the manufacturer or use a sizing guide to determine the appropriate size of the PMSM HVLS fan.

You can follow the installation guide provided by the manufacturer or hire a professional electrician to install the fan.

No, PMSM HVLS fans operate very quietly because they use permanent magnet synchronous motors.

Yes, most PMSM HVLS fans can be controlled remotely through a wall-mounted control panel or through a smartphone app.

Yes, PMSM HVLS fans are highly energy-efficient because their permanent magnet synchronous motors can operate at higher efficiencies, reducing energy consumption.

PMSM HVLS fans are designed to be safe for their intended use. However, it is recommended to follow safety guidelines provided by the manufacturer during installation and use of the fan to avoid any potential hazards.


If you have any enquiry about quotation or cooperation, please feel free to email us at or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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