World Clean BizGlobal Cleaning Industry Intelligence

Independent Technical Reference

Air Purifier

Air purifier airflow, filters, CADR, room fit and buyer checks

This profile separates inlet, sensing, particle filtration, sorbent stages, fan delivery, CADR method, acoustics and replacement filters so buyers can compare exact portable room air cleaners without treating room-size labels as universal performance.

Included
  • Portable household room air cleaners using fan-driven filtration
  • Models with documented particle and optional gas or odor filter stages
Excluded
  • Whole-building HVAC filtration and outdoor air-cleaning claims
  • Industrial dust collectors and local exhaust systems
  • Unverified health, sterilization, room-size or replacement-filter compatibility claims

First published 2026-08-09 · Last verified 2026-08-09

This independent category reference is not medical, infection-control, ventilation, fire, chemical-exposure or indoor-air-quality advice. Source control and outdoor-air ventilation remain separate decisions. Confirm the exact regional model, contaminant, CADR method, room, filter number, replacement interval, electrical supply and safety instructions.

Official equipment reference
Samsung AX5500 portable air purifier shown as a freestanding white tower
Official Samsung product image showing the portable room-air-cleaner format; room area, CADR, filter and acoustic ratings remain exact-model and method checks. Official image source
Air Purifier key facts
FactTechnical referenceScope boundary
Category boundaryPortable household fan-filter room air cleanerPortable household devices; HVAC and industrial collectors excluded.
Buyer verificationMatch contaminant, CADR method, room, sound, filter number and replacement planExact model, market and use conditions.

WCB explanatory visual

Air Purifier working system

An original system map synthesized from reviewed operator manuals. It explains functional flow, not a universal machine architecture.

  1. 01

    Air intake and sensing

    Cabinet inlet, prefilter, particulate or gas sensors and controller

    Admits room air and controls fan response where automatic sensing is provided.

    EvidenceOfficial product pages identify model-specific inlets, prefilters and sensor systems.

    ScopeExact sensor set and operating mode.

    Verified2026-08-09

    Sourcesphilips-ac3220, samsung-ax46, lg-as560, sharp-fxj80

  2. 02

    Particle and gas treatment

    Fine-particle filter and optional activated-carbon or other sorbent stage

    Captures source-declared particles and, where documented, selected gases or odors.

    EvidenceManufacturers publish different combined and separate filter arrangements.

    ScopeNamed filter and source-stated challenge; no universal removal claim.

    Verified2026-08-09

    Sourcesphilips-ac3220, samsung-ax46, dyson-bigquiet, shark-hp302

  3. 03

    Fan and discharge

    Motor, fan, duct, outlet and speed control

    Moves treated air back into the room at a model-specific flow and sound level.

    EvidenceOfficial pages publish model-specific CADR, airflow, power or sound values.

    ScopeNamed mode and measurement method.

    Verified2026-08-09

    Sourcesphilips-ac3220, samsung-ax46, lg-as560, sharp-fxj80

Equipment taxonomy

Main air purifier formats

These formats describe operator relationship and task scale. None is a universal winner.

Front view of a Samsung AX5500 portable air purifier
Official field reference

Official Samsung product image illustrating a freestanding fan-filter appliance; cabinet similarity does not establish airflow, filter or room fit.

Buyer focusUse the format as a starting point, then compare the operating envelope, utilities, duty cycle, operator workflow, accessory system and the exact configured machine.

Official image source

Particle-focused room air cleaner

Task scale
Supplemental treatment of one occupied room
Operator
User positions the unit and selects manual or automatic fan operation
Space
Inlet and outlet clearance, outlet location, noise and floor area
Limit
Filter grade alone does not establish delivered room cleaning.

EvidenceAHAM, EPA and manufacturer pages emphasize clean-air delivery and placement.

ScopeExact model and room.

Verified2026-08-09

Sourcesaham-cadr, epa-air-cleaners, philips-ac3220, lg-as560

Particle-plus-sorbent air cleaner

Task scale
Supplemental particle and source-declared odor or gas reduction
Operator
User maintains multiple or combined filter stages
Space
Filter depth, airflow resistance and replacement storage
Limit
Activated carbon presence does not establish capacity for every gas.

EvidenceSamsung, Dyson, Shark and Sharp document model-specific filter systems.

ScopeNamed filter and claimed challenge only.

Verified2026-08-09

Sourcessamsung-ax46, dyson-bigquiet, shark-hp302, sharp-fxj80

Specification dictionary

What the performance metrics do—and do not—mean

Air Purifier performance metric dictionary
MetricPurchasing meaningReporting boundaryComparison caution
Clean Air Delivery RateSource-declared rate of cleaned air for a named particle challenge under a defined testParticle type, standard, fan setting and units must matchDo not compare CADR values from unlike methods or use one value for gases.
Room-size recommendationA calculation based on CADR, assumed ceiling, air changes and use caseArea claims can use different air-change or regional methodsMaximum area is not a universal performance rating.
Sound and powerOperating impact at a named speed or modeMinimum, maximum and test position differA sleep-mode number does not represent maximum clean-air delivery.
Clean Air Delivery Rate evidence

EvidenceAHAM defines CADR while manufacturers identify model values and methods.

ScopeNamed standard, particle and mode.

Verified2026-08-09

Sourcesaham-cadr, philips-ac3220, samsung-ax46

Room-size recommendation evidence

EvidenceEPA explains room sizing and Philips qualifies its published area method.

ScopeActual room volume and target air-change rate.

Verified2026-08-09

Sourcesepa-air-cleaners, philips-ac3220, samsung-ax46

Sound and power evidence

EvidenceOfficial pages publish model-specific sound and wattage values.

ScopeSource-stated mode and method.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, lg-as560, sharp-fxj80

Evidence + WCB interpretation

Application-fit matrix

Official application evidence does not establish automatic suitability. Each row shows what still needs to be tested.

Rear filter compartment of a Samsung AX5500 air purifier shown open with the filter assembly visible
Official field reference

Official Samsung image showing access to the model-specific filter assembly; appearance does not establish cross-model replacement-filter fit.

Buyer focusTreat the photographed setting as context only. Validate utilities, surface compatibility, operating space, operator controls, environmental conditions and the planned work process on site.

Official image source

Supplemental particle reduction in one room

EvidenceEPA and AHAM explain sizing and CADR while product pages provide model values.

ScopeActual room and target contaminant.

Verified2026-08-09

Sourcesepa-air-cleaners, aham-cadr, philips-ac3220, samsung-ax46

WCB assessment

Size from verified CADR, room volume and target air changes, then check noise at the required speed.

Basis
Room leakage, mixing, source intensity, placement and fan speed affect delivery.
Limitations
No portable unit substitutes automatically for source control or required ventilation.
Buyer action
Measure the room and run particle and sound observations at the intended setting.

Odor or gas-related use

EvidenceEPA distinguishes particle and gas-removal considerations; manufacturers identify optional carbon stages.

ScopeSource-declared gases or odors only.

Verified2026-08-09

Sourcesepa-air-cleaners, samsung-ax46, dyson-bigquiet, shark-hp302

WCB assessment

Obtain the sorbent medium, mass, target compound and replacement basis in writing.

Basis
Gas removal depends on compound, concentration, sorbent capacity, contact time and environment.
Limitations
Particle CADR and HEPA wording do not establish gas removal.
Buyer action
Prioritize source control and conduct a qualified task-specific assessment.

System component map

Component families and compatibility boundaries

Component families are labels only. No component link or cross-model compatibility is claimed.

WCB air purifier component verification map
WCB technical diagram

WCB diagram connecting inlet, sensors, prefilter, particle and sorbent filters, fan, outlet and replacement-filter checks; it does not establish part compatibility.

Buyer focusBefore substitution or service work, match the current manual, model and serial range, part number, physical interface, approved material or chemistry, and electrical configuration.

Evidence sourcesaham-cadr, epa-air-cleaners, iec-60335-2-65, philips-ac3220, samsung-ax46, lg-as560, dyson-bigquiet

Inlet, prefilter and sensors

Admit room air, intercept coarse debris and inform control logic where fitted.

Common variants
  • Washable or cleanable prefilter
  • Particle sensor
  • Particle and gas sensor combination
Critical checks
  • Inlet clearance
  • Sensor cleaning procedure
  • Prefilter part and maintenance interval

EvidenceOfficial pages document different sensing and prefilter configurations.

ScopeExact model; no sensor-equivalence inference.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, lg-as560, sharp-fxj80

Particle and sorbent filters

Capture source-declared particles and optional odors or gases.

Common variants
  • Separate particle filter
  • Combined particle-carbon cartridge
  • Model-specific multi-stage assembly
Critical checks
  • Exact replacement-filter code
  • Seal and installation direction
  • Declared challenge and replacement basis

EvidenceManufacturers identify exact model filter assemblies.

ScopeNo cross-model fit or universal removal claim.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, dyson-bigquiet, shark-hp302

Fan, outlet and controller

Deliver treated air and regulate speed, display and connectivity.

Common variants
  • Manual speed control
  • Sensor-driven auto mode
  • Directional or multi-surface outlet
Critical checks
  • CADR at required setting
  • Maximum sound and power
  • Controller and firmware support

EvidenceOfficial pages publish model-specific delivery and controls.

ScopeExact market model and mode.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, lg-as560, sharp-fxj80

Verified relationships

Related brands and representative models

Representative, not exhaustive. A link means the official source connects the named brand and model; it does not establish a factory, OEM or component-supplier relationship.

6 verified models
Representative air purifier models
BrandModelSubtypeOfficial specification referenceMarket scopeVerifiedSource
Philips Home AppliancesPureProtect 3200 Series AC3220/10Portable particle and carbon room air cleaner
  • 520 m³/h source-stated CADR under GB/T method
  • FY3200 replacement filter
  • 15–47.5 dB(A) source-stated sound range
Philips UK2026-08-09philips-ac3220
Samsung Home AppliancesAX5500 AX46BG5000GSPortable multi-stage room air cleaner
  • 467 m³/h source-stated CADR
  • 60 m² source-stated room area
  • Model-specific filter assembly
Samsung Australia2026-08-09samsung-ax46
LG Home AppliancesPuriCare 360 AS560DWR0Cylindrical portable air purifier
  • 360-degree inlet format
  • Model-specific filtration
  • Smart control configuration
LG US Business2026-08-09lg-as560
DysonPurifier Big+Quiet Formaldehyde BP04Large-format portable purifier
  • Model-specific particle and gas filtration
  • Directional air projection
  • Sensor and display system
Dyson US2026-08-09dyson-bigquiet
SharkNeverChange Air Purifier MAX HP302Portable room air purifier
  • Model-specific HEPA filter system
  • Odor Neutralizer Technology cartridge
  • Automatic air-quality control
Shark US2026-08-09shark-hp302
Sharp AppliancesFX-J80UPortable room air purifier
  • True HEPA and deodorizing filters
  • Model-specific Plasmacluster configuration
  • Sensor-driven operation
Sharp US2026-08-09sharp-fxj80

WCB decision support

Procurement decision matrix

No composite score or brand ranking. Each row identifies a comparison trap and the next verification action.

WCB assessment

Reduce a named particle load in one room

Verify
Matched-method CADR, room volume, speed and sound
Comparison trap
Ranking by maximum room area or filter grade alone
Assessment
Calculate the target delivery and trial the required fan setting in the actual room.
Basis
Clean-air delivery, room mixing, source and occupancy interact.
Limitations
No room-size label guarantees an exposure or health outcome.
Buyer action
Document room volume, target air changes, CADR basis, sound and measured trend.

EvidenceEPA and AHAM provide sizing context; manufacturers publish model data.

ScopeNamed contaminant and actual room.

Verified2026-08-09

Sourcesepa-air-cleaners, aham-cadr, philips-ac3220, samsung-ax46

WCB assessment

Control lifecycle filter cost and availability

Verify
Exact filter code, stages, interval, price and seal
Comparison trap
Assuming family labels, appearance or dimensions prove fit
Assessment
Price the verified replacement schedule for the exact model.
Basis
Cartridge construction, seals and controller reset differ.
Limitations
Source-stated intervals depend on use and do not guarantee future supply.
Buyer action
Obtain filter codes, five-year availability and replacement instructions in writing.

EvidenceOfficial pages identify model-specific filters and maintenance.

ScopeMarket and serial family.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, dyson-bigquiet, shark-hp302

Engineering validation

Checks before parts, configuration or service decisions

This checklist narrows verification work; it is not a compatibility guarantee or repair manual.

01

Placement, ventilation and electrical safety

Blocked airflow, heat sources, moisture or unsuitable power can affect safe operation and delivery.

Required actionFollow the exact safety and clearance instructions and preserve required outdoor-air ventilation.

EvidenceIEC safety scope, EPA guidance and manufacturer manuals define boundaries.

ScopeExact appliance, room and local requirements.

Verified2026-08-09

Sourcesiec-60335-2-65, epa-air-cleaners, samsung-ax46

02

Filter sealing and replacement

Incorrect fit, orientation or overdue replacement can bypass or restrict the intended air path.

Required actionVerify the exact filter number, seals, installation direction and reset procedure.

EvidenceManufacturer pages identify model-specific filter assemblies.

ScopeExact model and genuine documented replacement.

Verified2026-08-09

Sourcesphilips-ac3220, samsung-ax46, dyson-bigquiet, shark-hp302

Standards boundary

Safety and performance references

AHAM AC-1 room air cleaner performance method and CADR program

JurisdictionNorth America

ApplicabilityDefines industry measurement and certification context for particle clean-air delivery rates.

EvidenceAHAM explains CADR and its verified room-air-cleaner program.

ScopeOnly products and particle ratings declared under the named program.

Verified2026-08-09

Sourcesaham-cadr

IEC 60335-2-65:2023

JurisdictionInternational

Version2023

ApplicabilityParticular safety requirements for air-cleaning appliances.

EvidenceIEC publishes the standard scope and edition.

ScopeConfirm regional conformity and exact product classification.

Verified2026-08-09

Sourcesiec-60335-2-65

Technical developments

Selected changes in air purifier systems

  1. Samsung expanded its Australian portable air-purifier range with AX46

    Samsung's official Australian newsroom introduced AX46 with source-stated CADR, coverage and multi-stage filtration information.

    EvidenceThe official launch and product materials document the named regional model.

    ScopeAustralian AX46BG5000GS configuration.

    Verified2026-08-09

    Sourcessamsung-ax46, samsung-ax46-news

Evidence record

Sources

First published 2026-08-09 · Last verified 2026-08-09 · Last material modification 2026-08-09

  1. standard

    Air Cleaners and Air Purifiers - Clean Air Delivery Rate

    Association of Home Appliance Manufacturers

    Open official source

    Accessed 2026-08-09

  2. regulator

    Guide to Air Cleaners in the Home

    United States Environmental Protection Agency

    Open official source

    Accessed 2026-08-09

  3. standard

    IEC 60335-2-65:2023 Household and similar electrical appliances - Safety - Air-cleaning appliances

    International Electrotechnical Commission

    Open official source

    Accessed 2026-08-09

  4. manufacturer

    PureProtect 3200 Series AC3220/10

    Philips

    Open official source

    Accessed 2026-08-09

  5. manufacturer

    AX5500 Air Purifier AX46BG5000GS

    Samsung Australia

    Open official source

    Accessed 2026-08-09

  6. manufacturer

    Samsung expands its air purifier range to introduce AX46

    Samsung Newsroom Australia

    Open official source

    Accessed 2026-08-09 · Published 2023-03-30

  7. manufacturer

    PuriCare 360 AS560DWR0 Air Purifier

    LG Electronics USA

    Open official source

    Accessed 2026-08-09

  8. manufacturer

    Dyson Purifier Big+Quiet Formaldehyde BP04

    Dyson

    Open official source

    Accessed 2026-08-09

  9. manufacturer

    Shark NeverChange Air Purifier MAX HP302

    SharkNinja

    Open official source

    Accessed 2026-08-09

  10. manufacturer

    FX-J80U Air Purifier

    Sharp Electronics

    Open official source

    Accessed 2026-08-09