Month: August 2026

Cleaning a mini-split blower wheel cross-flow drum inside the indoor unit
By longwell / August 21, 2026 / Fan Engineering Guides

Cleaning a Mini-Split Blower Wheel

The cross-flow drum inside a mini-split collects a film of dust and bi...

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RV roof fan motor being replaced inside a camper roof vent
By longwell / August 21, 2026 / Fan Engineering Guides

RV Roof Fan Motor Replacement

A roof vent fan that stops usually has a short list of causes, and the...

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Range hood blower motor being removed from a cooker hood canopy
By longwell / August 21, 2026 / Fan Engineering Guides

Range Hood Blower Motor Replacement

A range hood that stops pulling air is not always a dead motor. Grease...

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Meeting fan efficiency regulations editorial routing
By longwell / August 21, 2026 / Fan Engineering Guides

Meeting Fan Efficiency Regulations (ErP/DOE/FEI)

Route each fan model through current market scope, test, representatio...

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Why EC Motors Run Cooler & Last Longer
By longwell / August 21, 2026 / Fan Engineering Guides

Why EC Motors Run Cooler & Last Longer

Compare EC and induction-motor thermal behavior at equal shaft duty, t...

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Variable Speed Fans: Save Energy at Part Load
By longwell / August 21, 2026 / Fan Engineering Guides

Variable Speed Fans: Save Energy at Part Load

Variable speed does not mean running a fan as slowly as possible. This...

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0-10V vs PWM vs Modbus: Controlling EC Fans
By longwell / August 21, 2026 / Fan Engineering Guides

0-10V vs PWM vs Modbus: Controlling EC Fans

Compare 0–10V, PWM and Modbus EC fan control by command path, electric...

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Retrofitting Old AC Fans to EC — Step by Step
By longwell / August 21, 2026 / Fan Engineering Guides

Retrofitting Old AC Fans to EC — Step by Step

Use a reversible, evidence-led workflow to move from a shortlisted EC ...

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Inflatable / Air Mattress & Blower Applications
By longwell / August 21, 2026 / Fan Engineering Guides

Inflatable / Air Mattress & Blower Applications

Why can two inflatable products fill equally fast but finish at differ...

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Paint Booth & Spray Ventilation Fans
By longwell / August 21, 2026 / Fan Engineering Guides

Paint Booth & Spray Ventilation Fans

Define paint-booth ventilation from coating hazards, the complete airf...

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