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.

How a Squirrel Cage Blower Works
By longwell / September 20, 2026 / Fan Engineering Guides

How a Squirrel Cage Blower Works

A squirrel-cage blower does not move air straight through the wheel. T...

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Blower vs Fan — What's the Difference?
By longwell / September 20, 2026 / Fan Engineering Guides

Blower vs Fan — What’s the Difference?

Fan, blower, and compressor are not separated by one universal pressur...

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High Pressure vs High Volume Blowers
By longwell / September 19, 2026 / Fan Engineering Guides

High Pressure vs High Volume Blowers

Should you choose a high-pressure blower or a high-volume blower? The ...

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How to Size a Centrifugal Blower (Step by Step)
By longwell / September 18, 2026 / Fan Engineering Guides

How to Size a Centrifugal Blower (Step by Step)

How do you size a centrifugal blower without guessing from maximum air...

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Selecting a Blower for Combustion / Burner Air
By longwell / September 18, 2026 / Fan Engineering Guides

Selecting a Blower for Combustion / Burner Air

A combustion blower cannot be selected from burner kilowatts alone. Th...

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Replacing a Draft Inducer Motor
By longwell / September 16, 2026 / Fan Engineering Guides

Replacing a Draft Inducer Motor

Replacing a draft inducer motor means restoring a model-specific seale...

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Commercial kitchen exhaust blower on a roof above a restaurant canopy
By longwell / September 15, 2026 / Fan Engineering Guides

Kitchen & Commercial Range Hood Blowers

A commercial kitchen exhaust system has to capture grease-laden vapour...

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Technician checking a blower that runs but produces no airflow
By longwell / September 11, 2026 / Fan Engineering Guides

Blower Runs But No Airflow — What’s Wrong?

A motor that spins while nothing comes out of the vents has a short li...

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Blower wheel with uneven dirt build-up causing imbalance
By longwell / September 10, 2026 / Fan Engineering Guides

Blower Wheel Out of Balance: Symptoms & Fix

A 1x vibration clue is not a diagnosis. Inspect deposits, wheel integr...

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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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