Author: longwell

LONGWELL centrifugal fan
By longwell / July 15, 2026 / News

Types of Centrifugal Fan Impellers Explained

In HVAC and industrial ventilation systems, centrifugal fans are widel...

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

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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erp 2026 fan compliance
By longwell / July 14, 2026 / News

ErP 2026 Fan Compliance Guide for EU HVAC Buyers: New Efficiency Requirements & Compliance

The European Union is implementing a more tightening regulation for in...

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metal duct fan vs plastic
By longwell / July 10, 2026 / News

Metal vs Plastic Duct Fan: Which is Better for Industrial Use?

In industrial ventilation systems, ducts are usually quite long, and s...

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LONGWELL DUCT FAN
By longwell / July 9, 2026 / News

How to Increase Airflow in Ductwork?

When talking about HVAC, air conditioning is mostly considered. Howeve...

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LONGWELL greenhouse ventilation fan
By longwell / July 8, 2026 / News

How to Choose Greenhouse Ventilation Fan?

In modern facility agriculture, the stability of the greenhouse enviro...

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LONGWELL Biomimetic EC Fan Technology
By longwell / July 7, 2026 / 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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LWCD-45350MN-06-14
By longwell / July 6, 2026 / Engineering Cases

LWCD-45350MN-06 Cross-Flow Fan for Electronics Cooling

An OEM required a 24V DC cross-flow fan for electronics cabinet coolin...

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LONGWELL double inlet centrifugal fan
By longwell / July 2, 2026 / News

Single Inlet vs Double Inlet Centrifugal Fan: When to Use Each?

In industrial ventilation and HVAC systems, centrifugal fans serve as ...

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

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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