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.

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...

Read More »
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...

Read More »
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 ...

Read More »
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...

Read More »
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 ...

Read More »
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...

Read More »
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...

Read More »
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...

Read More »
longwell centrifugal blower
By longwell / August 11, 2026 / Engineering Cases

LWDD7-5-C-EC-002 Centrifugal Blower for Air Filtration Systems

A 220V variable-speed EC centrifugal blower pushing 1980 m³/h at 317 P...

Read More »
LONGWELL
By longwell / June 30, 2026 / News

Industrial Centrifugal Blower: High-Static-Pressure Applications Guide

In industrial environments where reliable air movement and high static...

Read More »