Fan Engineering Guides

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

Production planning board showing fan MOQ and lead time schedules
By longwell / September 7, 2026 / Fan Engineering Guides

MOQ, Lead Time & Sampling Explained

Minimum order quantities are not arbitrary, and lead times are rarely ...

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Engineer reading a fan datasheet and performance curve before buying
By longwell / September 7, 2026 / Fan Engineering Guides

Reading a Fan Datasheet Before You Buy

A datasheet is a sales document with engineering inside it. Knowing wh...

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Incoterms decision for importing fans shown at a container port
By longwell / September 7, 2026 / Fan Engineering Guides

Incoterms for Importing Fans (FOB/CIF/DDP)

Incoterms decide who pays for what and, more importantly, where risk t...

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Fan certifications by market shown on product labels for several regions
By longwell / September 7, 2026 / Fan Engineering Guides

Fan Certifications You Need by Market (CE/UL/CCC)

Each market has its own gatekeeper, and a mark that clears one border ...

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Cost breakdown analysis behind fan pricing on an engineer desk
By longwell / September 7, 2026 / Fan Engineering Guides

How Fan Pricing Really Works

A fan price is mostly motor, electronics and material, with tooling am...

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Custom impeller tooling mould being prepared for a fan wheel
By longwell / September 7, 2026 / Fan Engineering Guides

Custom Impeller Tooling: Cost & Timeline

Tooling is the single largest fixed cost in a custom fan project, and ...

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Sea vs air freight comparison for shipping industrial fans
By longwell / September 7, 2026 / Fan Engineering Guides

Sea vs Air Freight for Fans

Fans are bulky and light, which is exactly the shape that punishes air...

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How to Choose an Industrial Fan Supplier: A Practical OEM Checklist
By longwell / September 7, 2026 / Fan Engineering Guides

How to Choose an Industrial Fan Supplier: A Practical OEM Checklist

Use this practical OEM checklist to compare industrial fan suppliers o...

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Fan Efficiency Regulations Are Changing: An OEM Readiness Checklist
By longwell / September 7, 2026 / Fan Engineering Guides

Fan Efficiency Regulations Are Changing: An OEM Readiness Checklist

Prepare for changing fan-efficiency requirements by locking the market...

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Are Quiet Fans Really Quieter? How to Compare Noise Claims
By longwell / September 7, 2026 / Fan Engineering Guides

Are Quiet Fans Really Quieter? How to Compare Noise Claims

A quiet-fan label is not enough. Compare the same acoustic quantity, a...

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