EC Fans

EC fans integrate a brushless DC motor and drive electronics into the fan itself, enabling stepless 0-10V/PWM/Modbus speed control and major part-load energy savings. Read how EC technology works, how it compares with AC induction drives, payback calculation methods and EC retrofit engineering from LONGWELL projects.

TOP 10 EC Fan Manufacturers 2026
By longwell / August 20, 2026 / Technical Articles

TOP 10 EC Fan Manufacturers 2026

Introduction: Selecting the right EC fan manufacturers has become an i...

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longwell heat pump ventilation fan
By longwell / August 15, 2026 / Technical Articles

Heat Pump Ventilation Fan: How to Choose EC Fans for Heat Pump Systems?

A heat pump is used to heat pipes. Heat pump systems have nowadays bec...

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LWFE3G200-102SS-02-00
By longwell / July 27, 2026 / Engineering Case Studies

LWFE3G200-102SS-02-00 EC Centrifugal Fan for HVAC

An OEM required a 200mm EC centrifugal fan delivering 700 m³/h at 1000...

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server rack cooling
By longwell / July 23, 2026 / Technical Articles

Server Rack Cooling Guide: 9 Best Practices for Reliable Data Center Performance

As AI computing, cloud services, and edge computing continue to push h...

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LWBE3G450-188NT-21-00
By longwell / July 15, 2026 / Engineering Case Studies

LWBE3G450-188NT-21-00 EC Centrifugal Fan for AHUs

An OEM required a high-pressure EC centrifugal fan for a new AHU desig...

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LONGWELL Biomimetic EC Fan Technology
By longwell / July 7, 2026 / Company & Product News

LONGWELL Biomimetic EC Fan Technology: 82% Efficiency and Up to 6 dB(A) Lower Noise

NINGBO, China — July 6, 2026 — Ningbo Longwell Electric Technolog...

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10 common ec fan specification mistakes
By longwell / July 1, 2026 / Technical Articles

EC Fan Specifications: 10 Common Mistakes to Avoid

Selecting the wrong EC fan can cost your countdown and excess noise. E...

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top 10 centrifugal fan manufacturers
By longwell / June 25, 2026 / Technical Articles

Top 10 Centrifugal Fan Manufacturers in 2026

The definitive global ranking of centrifugal fan manufacturers across ...

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LWCD-60870MN-06
By longwell / June 24, 2026 / Engineering Case Studies

LWCD-60870MN-06 24V DC Cross Flow Fan for Air Curtains

Case study on modifying a 24V DC cross-flow fan to deliver 693 m³/h fo...

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ec fan selection guide
By longwell / June 18, 2026 / Technical Articles

The Complete EC Fan Selection Guide: 7 Engineering Steps

EC fans have become the preferred choice for modern HVAC, industrial v...

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