How to Use an Air Mover and Air Scrubber

Centrifugal air mover fans and air scrubbers are two commonly used devices in ventilation, air treatment, and air purification systems. Here are their usage introductions and differences:

 

1. Centrifugal Air Mover

Usage introduction of the centrifugal fan:

The centrifugal air mover rotates at high speed through the impeller, causing gas to flow in from the axial direction and flow out from the radial direction under the action of centrifugal force, thus completing the transportation and compression of air.

Main application areas of the air mover:

Ventilation system: suitable for places that require air supply and exhaust, such as residential buildings, office buildings, subways, tunnels, etc.

Industrial exhaust system: smoke and dust emissions, high-temperature gas emissions in factories, workshops, and warehouses.

Air conditioning system: supply and return air of the central air conditioning.

Dust removal system: Connect the dust collector to transport dust gas.

Boiler blowing and induced draft: used for industrial boiler air supply and exhaust.

Characteristics of the centrifugal air mover: 

High wind pressure is suitable for long-distance pipeline transportation or high-resistance systems.

Compact structure and high efficiency.

Suitable for conveying air containing dust, oil, and high temperatures.

 

2. Air Scrubber

Usage introduction of the air scrubber:

An air scrubber usually refers to a fan equipment that integrates air supply, air filtration, and purification functions, commonly used in environments that require clean air.

Main application areas of the industrial air scrubber:

Clean room/dust-free workshop: a purification workshop for the electronics, pharmaceutical, and food industries.

Laboratories and hospitals: Keep the air clean and prevent pollution.

Air purification equipment: installed in fresh air systems, purifiers, and other systems.

Spraying workshop: prevent dust and impurities from contaminating the spraying quality.

Public place purification system: such as fresh air purification in airports, shopping malls, and hotels.

Characteristics of the HEPA air scrubber:

Equipped with high-efficiency filters (such as HEPA and junior high school high-efficiency filters);

High cleanliness of air supply;

Integrated design, saving space;

Some have functions such as UV sterilization, negative ion purification, and activated carbon adsorption.

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3. Comparison and summary of the two:

Project	Centrifugal Fan	Air Scrubber
Main functions	Air volume conveying, pressure boosting	Air purification and air supply
Wind pressure	High	Relative low
Air volume	Customized with a wide range	Small and medium air volumes
Usage environment	Strong universality, suitable for industrial use	For clean
Filter or not?	None	Yes (multi-stage filtering)
Noise	High	Mostly with a silent design

If you are the equipment purchaser or maintainer, you need to judge based on the functional requirements of the usage location when choosing:

If the focus is on air delivery efficiency and wind pressure, centrifugal air mover fans should be selected.

If the goal is to improve air cleanliness and filter pollutants, choosing a HEPA air scrubber is more suitable.

If dealing with complex environments (eg., water-damaged houses), using a combination of centrifugal fans and air scrubber fans is the optimal solution.