News

centrifugal fan maintenance
By longwell / July 17, 2026 / News

Centrifugal Fan Maintenance: Annual Inspection Checklist & Tips

Centrifugal fans serve as the heart of ventilation systems, providing ...

Read More »
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...

Read More »
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...

Read More »
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...

Read More »
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...

Read More »
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...

Read More »
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...

Read More »
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 ...

Read More »
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...

Read More »
LONGWELL
By longwell / June 30, 2026 / News

Industrial Centrifugal Blower: High-Static-Pressure Applications Guide

In industrial environments where reliable air movement and high static...

Read More »