Blowers

Blowers deliver concentrated airflow at higher pressure rise than fans — feeding gas burners, conveying material, drying floors and pressurising processes. Articles here explain the fan-vs-blower boundary, electric vs gas cost comparisons, combustion air sizing and the LONGWELL blower line-up.

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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Aeration blowers supplying air to submerged pond diffusers
By longwell / September 5, 2026 / Fan Engineering Guides

Pond & Lake Aeration Blowers

Aeration blowers work against water pressure rather than duct resistan...

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Food truck exhaust hood blower mounted on a mobile kitchen roof
By longwell / September 5, 2026 / Fan Engineering Guides

Food Truck Exhaust Hood Blower

A food truck hood does everything a restaurant hood does, in a fractio...

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Regenerative blower with side channel housing beside a centrifugal blower
By longwell / August 22, 2026 / Fan Engineering Guides

Centrifugal vs Regenerative (Side Channel) Blower

A regenerative blower recirculates air through the impeller many times...

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Multimeter used to measure a fan capacitor on the capacitance range
By longwell / August 21, 2026 / Fan Engineering Guides

How to Test a Fan Capacitor with a Multimeter

Testing a capacitor takes a minute once the safety steps are done prop...

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Removing a Stuck Blower Wheel (Puller Trick)
By longwell / August 21, 2026 / Fan Engineering Guides

Removing a Stuck Blower Wheel (Puller Trick)

A hub that has spent years on a shaft in a damp cabinet does not come ...

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Bad ECM Module vs Bad Motor: How to Tell
By longwell / August 21, 2026 / Fan Engineering Guides

Bad ECM Module vs Bad Motor: How to Tell

ECM faults split three ways: the module, the motor or the system aroun...

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Furnace blower running continuously with control board access panel open
By longwell / August 21, 2026 / Fan Engineering Guides

Furnace Blower Won’t Turn Off — Fix

A blower that runs continuously is usually being told to, either by a ...

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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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