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Extra large commercial ceiling fans | RTFANS.

Best hvls commercial ceiling fans

Industrial ceiling fans information
  1. Extra large commercial ceiling fans unit of measurement designed to be used in sq. measures that need totally fully completely different specifications from those fixtures that unit of measurement commonly used for many homes or offices. this might be as well true for warehouses, factories, and classy technical and mechanical buildings, despite the actual fact that people would possibly associate these with the house. business vogue overhead fans unit of measurement those fixtures designed specifically for large-scale cooling and circulation for company buildings.
  2. Temperature and air quality will quickly shift once space fills with individuals. it's powerful to flow into hot or cold air equally throughout a building. Uneven air will end up hot and cold spots. RTFANS commercial ceiling fans unit of measurement an honest climate management resolution for public areas and industrial warehouses as a result of they homogenize the air and abate on cooling price.
  3. No matter what style of house you wish to maneuver air, RTFANS has the best resolution for creating the occupants softer. With the good solutions for all of your business fan wants — in offices, restaurants, churches and many of. Sector ceiling fans keep even the foremost important, most packed venues comfy and funky whereas saving energy. Their quiet operation makes these fans a perfect resolution for these sorts of areas.

HVLS Fans Wind Chill Effect

The gentle breeze brings by RTFANS HVLS fans to our body can accelerate sweat evaporation and make people feeling cool, usually, this sensible temperature created by wind chill effect can be 5-8℃, in addition, the gentle wind from all sides will make people more comfortable compared with a traditional powerful fan.

hvls fans wind chill effect

How to make people feel cooling down 5-8℃ by use high-volume low-speed fans?

The running of a big diameter industrial fan blade accelerates the airflow and increases the evaporative efficiency of the sweat on a human being’s body, and this evaporation process takes away heat in the body, that’s called wind chill effect.

As for the specific influence created by different wind speeds, please see the above graph, which can show you different temperatures with different wind speeds to make the difference that people feeling.

HVLS Fans Application Area

And all other TALL AND LARGE spaces which is higher than 4.5 meters.

hvls fans application area


hvls fans application area


hvls fans application area

Waiting Room

hvls fans application area

Coffee Room

hvls fans application area


hvls fans application area

Logistic Center

hvls fans application area


hvls fans application area


HVLS Fans Space Ventilation

space ventilation

Usually the ventilation is restricted in a tall and large space, and the exhaust fan can barely work for the floor or corner of building where people and equipment located, while HVLS industrial fan can solve these problems completely by sending a well-aligned wind in full space, coordinated with the evaporative air cooler, to improve the air quality and achieve a healthy and comfortable working environment.

HVLS Fans Dehumidification

RTFANS HVLS commerical ceiling fan facilitates the flow of air and dispenses the damp, to improve the comfort level for people in the house.

HVLS fan can accelerate the air mixing of whole space which helps to distribute and absorb the odors, smoke, and humidity very well, thus to improve the quality of air and provide a fresh, arid and safe environment.

hvls fans dehumidification
Inside Air
30% 40% 50% 60% 70% 80%
Inside Air
27% 35% 43% 50% 58% 65%
Dehumidification 3% 5% 7% 10% 12% 15%
Reduction Rate 10.00% 12.50% 14.00% 16.67% 17.14% 18.75%

HVLS Fans Product Advantages

Commercial Ceiling Fans
Commercial Ceiling Fans
  1.  Large area coverage more than 1000 m².
  2.  Tridimensional wind from all directions.
  3.  Natural, comfortable, gentle breeze.
  4.  Space-saving and elegant looking.
  5.  Maintenance-free, long life span.

HVLS Fans Specification

hvls fans applicable


Applicable for Commercial Area

hvls fans applicable
Model Fan Dia.
Motor Power
RPM Air Flow
Applicable Area
RTF-SF-4E 4.2 800 24/48 0~70 8000 800 42
RTF-SF-3E 3.6 680 24/48 0~80 6000 720 40
RTF-SF-2E 2.4 680 24/48 0~80 4500 660 40

variable frequency driver

  1. Denmark “DANFOSS” frequency converter & German “Schneider” electrical sets.
  2. Step-less speed regulation with malfunction protection.
  3. IP55 protection level and NEMA1 standard controlling box.
  4. Operation temperature range -10 ~ 55 ℃.

NORD drive system

  1. German “Nord” customized coaxial bevel reduction gears with a diameter of axle 40mm.
  2. German “Simrit” double oil seal design, durable and reliable.
  3. “Shell” top class “Omala” S4 lubrication oil, zero maintenance for over 20000 hours.

PMSM technology

  1. PMSM(Permanent Magnet Synchronous Motor) technology with high efficiency and long service time.
  2. Compact and light design, no space limitation and easy to install.
  3. Direct drive, without gear, no need lubrication oil replacement, essentially silent and maintenance-free.

HVLS fans hub

  1. Innovative double chassis design, more durable and steady.
  2. Imported NASA-inspired super alloy (AA7075).
  3. Precision high-pressure forging japan technology (Σ B 600Mpa).
  4. T6 heat processing.

big industrial fans blade

  1. High strength aircraft aluminum alloy:AA6063T6511 with PVFD surface coating.
  2. Patented airfoil design, special designed reinforcing rib support system to increase both strength and flexibility.
  3. Inner equipped steel cable to prevent fan blade cracking(Optional).
  4. Customized fan blade color.
HVLS fans steel cable4 steel cable from a different direction to pull the motor to prevent waggling and keep balance, each cable can sustain 1000kg stress.
HVLS fans cardan jointUnique Cardan joint design, working as a human beings’ joint, to decrease the vibration and keep fan best balanced during operation.

Compared with Powerful Fan

Compared with Powerful Fan

  • Cover 1800m² per unit with 13200m³/min, full space covered with its 7.3m diameter fan blade.
  • Installation by mounted to the ceiling, simple and elegant.
  • Tridimensional and natural breeze from all direction, with most comfortable wind speed 1-3m/s, with less noise.
  • Almost zero maintenance
    after proper installation.
  • 8-10 years.
Compared with Powerful Fan

  • Wind can only reach the area in front of the fan, can not work well if people frequently move.
  • Mounted on the wall or standing on the floor, need space to put or store.
  • Long-time exposure to high-speed wind will cause dizziness,
    noisy during operation.
  • High failure rate, and need maintenance and cleaning frequently.
  • 3-5 years.

Compared with Powerful Fan

Compared with Powerful Fan
HVLS Fan Powerful Fan
Fan Diameter (m) 7.3 0.75
Power (kW) 1.5 0.36
Air Flow (m³/min) 13,500(810,000) 300(18,000)
Effective Area (m²) 1,500 30
Factory Area 9000m² 9000m²
Total Units installed 6 300
Total Kw Installed 9 108
@10hrs/day @26 days/mth
28,080 336,960

Cordinate with AC

Cordinate with AC

During Spring or Autumn when temperature keep in a range from 20-34 ℃, for those space with AC system, it’s awkward to decide if need to run the AC system, while with HVLS fan, you can forget the electricity bill caused by AC system!

It cost a huge when AC system fully running, while the HVLS fan can spread the cold air into every corner of the space during AC running, make it more well proportioned.

In addition, testing shows that we can save power consumption 20% by setting AC temperature 1℃ higher, HVLS fan can shorten the running time of AC or decrease the running quantity of AC, but achieve a same cooling effect!

Buy industrial ceiling fan from china.

If you have any requirements about HVLS fans, please feel free to leave a message to us.