Interactive Comparison Tool
Compare Air Purifiers Side by Side
Filter models by room size category, model tier, intended household scenario, and hardware features. Select up to three purifiers below to inspect specifications side by side without unsupported rankings.
Filter Purifiers by Your Space & Priorities
Matching Models (3 of 3)
Selected for side-by-side comparison: 3 / 3
AirDoctor 3500
Mid-sized standalone console air purifier designed around multi-stage particle and activated carbon filtration for primary living spaces and large bedrooms.
AirDoctor 5500
High-capacity dual-intake residential air purifier on caster wheels, built for open-concept layouts, high ceilings, and demanding smoke or dander loads.
AirDoctor 2000
Compact multi-stage air purifier tailored for individual bedrooms, nurseries, home offices, and smaller apartments where floor space is limited.
Side-by-Side Comparison (3 Models)
Manufacturer-published specifications checked November 9, 2026. Coverage uses 4 air changes per hour; dimensions are H × W × D. No independent lab testing is claimed.
| Specification |  Representative illustration (temporary image) AirDoctor 3500 |  Representative illustration (temporary image) AirDoctor 5500 |  Representative illustration (temporary image) AirDoctor 2000 |
|---|---|---|---|
| Intended Room Category | Medium-to-Large Living Spaces & Primary Bedrooms | Extra-Large Rooms, Basements & Open-Concept Spaces | Small-to-Medium Rooms (Bedrooms, Nurseries & Home Offices) |
| Model Tier | Mid-Range Console Tier (Check retailer for live pricing) | High-Capacity Flagship Tier (Check retailer for live pricing) | Entry Premium Tier (Check retailer for live pricing) |
| Manufacturer Coverage at 4 ACH | 630 sq. ft. at 4 air changes/hour | 1,043 sq. ft. at 4 air changes/hour | 305 sq. ft. at 4 air changes/hour |
| Manufacturer Smoke CADR | 340 CFM | 556 CFM | 162 CFM |
| Filtration Architecture | 3-stage filtration: pre-filter, carbon/gas-trap filter, and manufacturer-stated UltraHEPA filter | Dual-sided multi-stage filtration with pre-filters, carbon/gas-trap filters, and manufacturer-stated UltraHEPA media | Compact 3-stage filtration: pre-filter, carbon/gas-trap filter, and manufacturer-stated UltraHEPA filter |
| Dimensions | 23″ H × 15.75″ W × 8.75″ D | 28.75″ H × 16″ W × 16″ D | 18.72″ H × 13.85″ W × 6.6″ D |
| Noise Level | Not publicly specified | Not publicly specified | Not publicly specified |
| Warranty | Standard warranty: Not publicly specified. AirDoctor lists a 5-year extended warranty included with an active filter subscription. | Standard warranty: Not publicly specified. AirDoctor lists a 5-year extended warranty included with an active filter subscription. | Standard warranty: Not publicly specified. AirDoctor lists a 5-year extended warranty included with an active filter subscription. |
| Filter Replacement | Carbon/VOC filter every 6 months; UltraHEPA® filter every 12 months (manufacturer guidance) | Carbon/VOC filter every 6 months; UltraHEPA® filter every 12 months (manufacturer guidance) | Carbon/VOC filter every 6 months; UltraHEPA® filter every 12 months (manufacturer guidance) |
| Filter Price | Check current price | Check current price | Check current price |
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