Fan Engineering Guides

Video-led explanations of fan operation, selection, testing and system behavior for HVAC and equipment engineers.

RV roof vent fan installed in a camper roof aperture
By longwell / September 6, 2026 / Fan Engineering Guides

RV / Camper Roof Vent Fan Upgrade

Upgrading a basic roof vent to a powered fan transforms comfort in a c...

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Grow tent inline fan and carbon filter mounted inside a tent
By longwell / September 6, 2026 / Fan Engineering Guides

Grow Tent Inline Fan Setup (Airflow & Odor)

A grow tent fan has to handle heat, humidity and odour at once, and a ...

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Why Are Industrial Fans So Expensive?
By longwell / September 6, 2026 / Fan Engineering Guides

Why Are Industrial Fans So Expensive?

Industrial fan pricing makes sense only after airflow, pressure, const...

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3 Signs Your Fan Is Wasting Energy
By longwell / September 6, 2026 / Fan Engineering Guides

3 Signs Your Fan Is Wasting Energy

Three screening signals that may reveal fan-system energy waste—and th...

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Are Fans in AI Data Centers Different?
By longwell / September 6, 2026 / Fan Engineering Guides

Are Fans in AI Data Centers Different?

AI data center fans are defined by cooling architecture, system resist...

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The Future of HVAC Fans: EC + IoT
By longwell / September 6, 2026 / Fan Engineering Guides

The Future of HVAC Fans: EC + IoT

EC and IoT can make HVAC fan systems more controllable and visible, bu...

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How Much Does It Cost to Run a Fan 24/7?
By longwell / September 5, 2026 / Fan Engineering Guides

How Much Does It Cost to Run a Fan 24/7?

Estimate a fan's 24/7 electricity cost from measured input power, oper...

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BESS Cooling Fans: Define the Duty Before the Product
By longwell / September 5, 2026 / Fan Engineering Guides

BESS Cooling Fans: Define the Duty Before the Product

Select a BESS cooling fan from the installed duty, not a product label...

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Do Bigger Fans Always Move More Air? (No)
By longwell / September 5, 2026 / Fan Engineering Guides

Do Bigger Fans Always Move More Air? (No)

A bigger fan does not automatically deliver more installed airflow. Co...

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Dust collector blower connected to a cyclone separator and filter
By longwell / September 5, 2026 / Fan Engineering Guides

Dust Collector Blower & Cyclone Basics

Dust collection is a velocity problem before it is a filtration proble...

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