Air purifiersENERGY STAR certified
AirDoctor AD4000
370 cfm air purifier.
Smoke CADR
370 cfm
Room size
574 sq ft
Annual energy use
396 kWh/yr
Filter
HEPA-Type
- Maker
- AirDoctor
- Model
- AD4000
- Room size
- 574 sq ft
- Smoke CADR
- 370 cfm
- PM2.5 CADR
- 381 cfm
- Dust CADR
- 393 cfm
- Efficiency
- 5.6 CADR/W
- Annual energy use
- 396 kWh/yr
- Filter
- HEPA-Type
- Ozone emissions
- 1 ppb
- On the market since
- Dec 2025
- ENERGY STAR certified
- 12 Dec 2025
Certified under the same record
The maker lists these as the same machine or a variant of it: AD4000G, AD4000H.
Source: ENERGY STAR certified air purifiers dataset, US EPA, record 4518215, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
AirDoctor
More AirDoctor air purifiers
| Model | Type | Smoke CADR | Room size | Annual energy use |
|---|---|---|---|---|
| AD1500 | Fan and Filter,Ion Generator | 170 cfm | 264 sq ft | 166 kWh/yr |