Author: longwell

Cooling-of-Electronic-Equipment--Method
By longwell / September 7, 2026 / Technical Articles

Cooling of Electronic Equipment: Methods, Challenges, and Best Practices

As industry transitions towards electrification, automation, and digit...

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ebm-papst-Alternative-Guide--How-to-Sel
By longwell / September 7, 2026 / Technical Articles

ebm-papst Alternative Guide: How to Select the Right EC Fan Replacement?

The recent Madison Air acquisition of ebm-papst has brought attention ...

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How Much CFM Per Person? A Ventilation Design Guide
By longwell / September 6, 2026 / Fan Engineering Guides

How Much CFM Per Person? A Ventilation Design Guide

There is no universal CFM-per-person answer: ventilation design must c...

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Top 5 Fan Failures & How to Prevent Them
By longwell / September 6, 2026 / Fan Engineering Guides

Top 5 Fan Failures & How to Prevent Them

Five common fan-failure categories become easier to prevent when sympt...

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Auditor reviewing records while learning how to audit a fan factory
By longwell / September 6, 2026 / Fan Engineering Guides

How to Audit a Fan Factory (Remote & On-site)

A useful audit looks at records rather than at tidy floors. Balancing ...

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Engineer measuring an obsolete fan to specify a replacement
By longwell / September 6, 2026 / Fan Engineering Guides

Replacing a Discontinued / Obsolete Fan

When the original is gone and the datasheet went with it, you have to ...

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Private label fans with custom branding on packaging and product labels
By longwell / September 6, 2026 / Fan Engineering Guides

Private Label Fans: Put Your Brand on It

Private label is the fastest route to a branded product, and it comes ...

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Whole house fan installed in a ceiling compared with an attic fan
By longwell / September 6, 2026 / Fan Engineering Guides

Whole House Fan vs Attic Fan: Which Cools Better

They sound similar and do completely different jobs. One replaces the ...

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Attic ventilation fan installed on a roof with soffit intake vents
By longwell / September 6, 2026 / Fan Engineering Guides

Attic Ventilation Fan Sizing & Install

An attic fan without enough intake venting pulls air out of the house ...

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Duct booster fan installed in a branch duct to improve airflow
By longwell / September 6, 2026 / Fan Engineering Guides

Duct Booster Fan: Does It Actually Work?

Booster fans work when the problem is a long branch and fail when the ...

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