Professional manufacturer of High-quality cooling fans

High-Efficiency EC Fans and EC Motors

EC Axial Fans

EC Axial Fans

These series EC axial fans are designed for application in industry or 
commercial duct fans and transformer fans.
EC Centrifugal Fans

EC Centrifugal Fans

The fan motor is electronically driven, and the motor speed is controlled 
by upper logic board according to the working conditions.
EC Motors

EC Motors

Motor is equipped with RS485 communication control function, 
which can control the starting and ending of the motor...
Fan Accessories

Fan Accessories

Animal husbandry is huge investment for the owner. To install various types of 
ventilation systems such as positive pressure fans...
SUZHOU DOWELL

Providing A Wide Range Of Electronically Commutated PMSM Internal Rotor Motors

Suzhou Dowell Ventilation Technology Co., Ltd is located at Suzhou city, China, one hours driving from Shanghai city. On based of our EC motors launching in 2017, we started to develop EC axial fans and EC centrifugal fans from 2022.

Electronically Commutated (EC) means a fan which has a PMSM with onboard electronics to for controlling a fan. Common fans within the air conditioning and ventilation units are AC induction motors with one speed. It is necessary to add belts and pulleys or reducer to change the speed. At the same time, unnecessary air movement is also not required as per actual applications.

Industries We Serve

EC Axial Fan Application

EC Axial Fan Application

In the livestock industry, good ventilation is crucial for the health and growth of animals. EC axial fans, with their high efficiency and low noise, provide ideal ventilation solutions for livestock farming. Meanwhile…
EC Centrifugal Fans Application

EC Centrifugal Fans Application

Importance in Industry Applications:ensuring indoor comfort and air quality. They also exhibit outstanding performance and reliability in centrifugal fan boxes and other applications.
EC Motors

EC Motors

EC motors play a vital role in the livestock industry, industrial ventilation, and air-conditioning systems due to their high efficiency, low energy consumption, and intelligent speed regulation.
Fan Accessories

Fan Accessories

As an important part of ventilation systems, the quality and performance of fan accessories directly affect the overall operation of the system. Suzhou Dowell's fan accessories, with their high quality…

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

Your Vision, Our EC Fan Design

Discover our full range of EC fan solutions tailored for your specific needs. 
Contact our expert team for customized recommendations and technical support.

What Special Services Can We Provide?

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EC Motor and Fan Customization

In addition to providing standard EC motors, EC axial fans, EC centrifugal fans, and fan accessories, we specialize in OEM customization of suitable products for our clients based on their specific…
home-Services2

Performance Optimization

Tailoring the speed, airflow, power consumption, and noise levels of EC motors to meet clients' unique application scenarios ensures optimal performance.
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Smart Control

Our EC motors and fans support 0-10V and RS485 remote control for variable speed regulation and are equipped with a smart control system, enhancing operational efficiency and stability.
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System Integration

For clients integrating EC motors and fans into their existing systems, we provide comprehensive technical support and solutions to ensure seamless operation and high performance.

Latest News


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2026-05-13
How An EC Fan Improves Airflow Control in AHU Systems?

Facility managers and HVAC engineers constantly face compounding challenges with aging Air Handling Units (AHUs). Unpredictable static pressure, filter loading inefficiencies, and the high maintenance overhead of AC motors severely drain operational resources. Traditional fans rely on bulky external

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2026-05-11
EC Axial Fan Vs EC Centrifugal Fan: How To Choose The Right Solution?

Upgrading to an EC fan (Electronically Commutated) resolves the baseline efficiency and speed-control issues of traditional AC motors. Modern engineers rarely debate the motor type anymore. Instead, the remaining challenge involves selecting the correct aerodynamic structure. Choosing the wrong fan

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2026-05-08
Why An EC Fan Is Ideal for Server Room And Data Center Cooling?

Cooling and ventilation typically account for nearly 40% of a data center’s total energy consumption. You face an escalating challenge as IT rack densities rapidly push past 20 to 30 kW. Legacy cooling architectures rely on outdated equipment. They are becoming financially and operationally unsustai

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We are focusing on design, manufacturing and sales of EC motors, EC fans, EC axial fans, EC centrifugal fans, fan impellers, which are electronically commutated PMSM internal rotor motors.

Quick Links

Products

Headquarter

 +86 153 7008 7969
 No.888, Xingrui Road, Wujiang District, Suzhou, Jiangsu
     Province, P.R. of China, 215000

Canada Contact

 Mr. Steven Xu
 +1 514 699 3988
 675,36e Avenue,Lachine,Quebec, Canada    
     H8T 3L1
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