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Air scrubber vs air purifier
An air scrubber is a portable, job-site filtration machine, usually with pre-filters and a HEPA filter, that restoration crews run during demolition, mold or fire work to capture particles the work stirs up.
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Written by HyreRestore Research Desk Primary-source research and fact checking
The short answer
An air scrubber is a portable, job-site filtration machine, usually with pre-filters and a HEPA filter, that restoration crews run during demolition, mold or fire work to capture particles the work stirs up.
An air purifier is a household air cleaner for everyday use in an occupied room. Both filter air; neither fixes a leak or removes mold, and EPA calls air cleaners a supplement to source control and ventilation.
What separates them?
A scrubber handles a temporary, dirty job; a purifier handles everyday air in a lived-in room.
A scrubber can also be ducted out of a sealed area as a negative air machine; a purifier just recirculates.
EPA says portable air cleaners do not address the cause of mold and musty odors.
Air scrubbers and air purifiers, side by side
| Air scrubber | Air purifier | |
|---|---|---|
| Where it is used | Restoration and remediation job sites | Bedrooms and living spaces |
| Filters | Pre-filters, optional carbon, then HEPA | Varies by model; some HEPA, some not |
| HEPA meaning | At least 99.97% of 0.3-micron particles, per EPA | The same definition applies only if the unit uses a true HEPA filter |
| Containment use | Can be ducted to pull air out of a sealed work area | Not designed for it |
| How you get one | Billed by the day on a restoration invoice, or rented | Bought for the home |
HyreRestore publishes no rental or purchase price. On a restoration invoice, scrubbers are billed per unit per day; see the cost guide.
When you need an air scrubber
Cutting out wet or moldy drywall raises dust and spores.
See negative air machine.
Fine particles need capturing as surfaces are disturbed.
When an air purifier is the better fit
Everyday dust, pollen or pet dander in a lived-in room.
Household units are built for that.
A purifier does not replace drying or cleaning.
What to ask if scrubbers are on your invoice
They are billed per unit per day.
Tied to the work, not the calendar.
See HEPA filtration.
Your inquiry
Tell us about the damage
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Questions
Can I use an air purifier instead of an air scrubber during mold removal?
Does an air scrubber remove mold?
Do air scrubbers remove smoke odor?
Written and audited by
HyreRestore Research Desk
Primary-source research and fact checking
We are a research desk, not a restoration company and not an insurance adjuster.
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Information on this page is general and may vary by location, building code, zoning, the condition of your house and your own circumstances. It is not legal, insurance, medical or engineering advice.
HyreRestore is not a restoration contractor and not an insurance adjuster: we dry nothing, remediate nothing and rebuild nothing, and we do not supervise or warrant anyone's work.
This page explains the work so you can read a scope, judge the company that wrote it and follow your own claim.