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.

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By longwell / January 7, 2026 / Technical Articles

What You Need to Know About EC Fan Technology

What You Need to Know About EC Fan Technology You want fresh air in yo...

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Stop-the-30-Week-Wait--The-Smart-EC-Cen
By longwell / December 10, 2025 / Technical Articles

Stop the 30-Week Wait: The Smart EC Centrifugal Fan Replacement Guide for 2026 Compliance

Stop the 30-Week Wait: The Smart EC Centrifugal Fan Replacement Guide ...

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By longwell / December 9, 2025 / Technical Articles

EC centrifugal fan benefits for FFUs explained simply

EC centrifugal fan benefits for FFUs explained simply You get many goo...

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Southeast-Asia-Warehouse--Sauna-Days--T
By longwell / November 21, 2025 / Technical Articles

Southeast Asia Warehouse “Sauna Days” Terminator: Low-Cost Ventilation Strategy in High Humidity and Heat Environments

Southeast Asia Warehouse “Sauna Days” Terminator: Low-Cost Ventilation...

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Navigating-New-EU-Regulations--How-LONG
By longwell / November 19, 2025 / Technical Articles

Navigating New EU Regulations: How LONGWELL EC Fans Are the Optimal Solution for ErP 2024/1834 Compliance

Navigating New EU Regulations: How LONGWELL EC Fans Are the Optimal So...

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By longwell / November 11, 2025 / Technical Articles

[A Pragmatic Choice] LONGWELL EC Duct Fans: High-Efficiency, Low-Energy HVAC Solutions

[A Pragmatic Choice] LONGWELL EC Duct Fans: High-Efficiency, Low-Energ...

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Unleashing Superior Performance The Energy Efficiency Power of EC Cross Flow Fans
By longwell / October 27, 2025 / Technical Articles

Ultimate Guide to The Outstanding Energy-saving Advantage of EC Cross Flow Fans

Introduction: A Silent Revolution in Air Movement Imagine your busines...

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By longwell / October 15, 2025 / Engineering Case Studies

LONGWELL case #3- heating pump ventilation & cooling Project

LONGWELL case#3- heating pump ventilation & cooling Project Projec...

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The Green Future of Aviation- How Longwell HVAC Solutions are Redefining Sustainable Airports in Southeast Asia
By longwell / August 12, 2025 / Engineering Case Studies

The Green Future of Aviation: How Longwell HVAC Solutions are Redefining Sustainable Airports

I. The Crisis: An International Hub Airport’s Energy & Comfort Dil...

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