Author: longwell

Inline Fan Wiring: Switch, Timer and Humidistat Checks
By longwell / September 3, 2026 / Fan Engineering Guides

Inline Fan Wiring: Switch, Timer and Humidistat Checks

Before wiring an inline fan, separate power from control signals, chec...

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How to Balance Airflow Across a Fan Wall
By longwell / September 3, 2026 / Fan Engineering Guides

How to Balance Airflow Across a Fan Wall

Balance a fan wall with defined airflow targets, repeatable measuremen...

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longwell ec fan wall for data center cooling
By longwell / September 3, 2026 / Company & Product News

LONGWELL EC FanWall for AI Data Center Cooling

Training large language models (LLMs) requires large GPUs operati...

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Backdraft Damper: When You Need One and How to Choose It
By longwell / September 3, 2026 / Fan Engineering Guides

Backdraft Damper: When You Need One and How to Choose It

Check when a backdraft damper is useful, how opening pressure differs ...

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Warehouse-Ventilation-Fans--Complete-Gu
By longwell / September 3, 2026 / Technical Articles

Warehouse Ventilation Fans: Complete Guide

In large industrial and logistics facilities, maintaing air quality an...

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Ducting a Centrifugal Blower Correctly
By longwell / September 2, 2026 / Fan Engineering Guides

Ducting a Centrifugal Blower Correctly

Correct centrifugal blower ducting protects inlet flow, discharge reco...

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Mounting a Fan to Kill Vibration (Isolators)
By longwell / September 2, 2026 / Fan Engineering Guides

Mounting a Fan to Kill Vibration (Isolators)

Fan vibration isolator installation starts with diagnosis. Learn how s...

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Plug-Fan-vs-AHU-Fan--What-is-the-Differ
By longwell / September 2, 2026 / Technical Articles

Plug Fan vs AHU Fan: What is the Difference?

Buyers may ask the question if the plug fan and AHU fan are competing ...

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Centrifugal Fan Needs Replacement
By longwell / September 1, 2026 / Technical Articles

Top 5 Signs Your Centrifugal Fan Needs Replacement

Centrifugal fans are widely used in HVAC, industrial ventilation, dust...

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Fan Inlet/Outlet Clearances Done Right
By longwell / August 29, 2026 / Fan Engineering Guides

Fan Inlet/Outlet Clearances Done Right

Fan installation clearance is more than a distance. Learn how inlet fl...

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