AirDoctor AD4000 running cost
$72.54/year
The AirDoctor AD4000 is rated at 396 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $72.54 a year, or $6.05 a month.
How it compares
Among 77 certified large-room (400+ sq ft) air purifiers (same size band), it ranks #69 for lowest running cost (class median $55.66/year). Recommended room size (sq ft): 574.
Cheaper-to-run air purifiers in the same size band
- Rainbow Luggable XXL — 75 kWh/yr, $13.73/yr
- Rainbow Luggable XL Ultra — 81 kWh/yr, $14.83/yr
- Rainbow Brisk Box Ultra — 94 kWh/yr, $17.21/yr
- Blueair 4412311000 — 181 kWh/yr, $33.14/yr
- Blueair 3332111100 — 193 kWh/yr, $35.34/yr
Specifications
| Smoke CADR (cfm) | 370.0 |
|---|---|
| Dust CADR (cfm) | 393.0 |
| Pollen CADR (cfm) | 450.0 |
| PM2.5 CADR (cfm) | 381.0 |
| Ozone emissions (ppb) | 1.00 |
| Filter type | HEPA-Type |
| Smart / connected | No |
| On market since | 2025-12-01 |
| Annual energy use | 396 kWh |
Source: ENERGY STAR certified air purifiers dataset, record 4518215. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $50.40 |
| Nevada | 12.8¢ | $50.59 |
| Utah | 13.1¢ | $51.98 |
| North Dakota | 13.4¢ | $53.13 |
| Tennessee | 13.7¢ | $54.32 |
| Idaho | 13.7¢ | $54.40 |
| Nebraska | 13.8¢ | $54.60 |
| Kentucky | 13.8¢ | $54.72 |
| Arkansas | 14.3¢ | $56.78 |
| Oklahoma | 14.3¢ | $56.85 |
| Wyoming | 14.4¢ | $56.89 |
| Mississippi | 14.5¢ | $57.61 |
| Washington | 14.7¢ | $58.28 |
| Montana | 15.0¢ | $59.39 |
| Florida | 15.0¢ | $59.55 |
| North Carolina | 15.2¢ | $60.06 |
| Kansas | 15.3¢ | $60.50 |
| South Dakota | 15.4¢ | $60.90 |
| Arizona | 15.4¢ | $60.94 |
| South Carolina | 15.5¢ | $61.29 |
| West Virginia | 15.8¢ | $62.52 |
| Texas | 15.9¢ | $62.92 |
| Oregon | 16.0¢ | $63.27 |
| Iowa | 16.0¢ | $63.35 |
| Missouri | 16.1¢ | $63.75 |
| New Mexico | 16.1¢ | $63.75 |
| Georgia | 16.3¢ | $64.46 |
| Alabama | 16.4¢ | $64.98 |
| Indiana | 16.7¢ | $66.28 |
| Colorado | 17.0¢ | $67.35 |
| Minnesota | 17.4¢ | $69.14 |
| Virginia | 17.6¢ | $69.53 |
| Delaware | 18.5¢ | $73.22 |
| Wisconsin | 19.1¢ | $75.52 |
| Illinois | 19.2¢ | $76.15 |
| Ohio | 19.4¢ | $77.06 |
| Maryland | 21.4¢ | $84.83 |
| Pennsylvania | 21.7¢ | $86.05 |
| Michigan | 23.1¢ | $91.32 |
| Vermont | 23.8¢ | $94.10 |
| Connecticut | 24.2¢ | $95.72 |
| New Jersey | 25.2¢ | $99.80 |
| District of Columbia | 25.2¢ | $99.88 |
| New Hampshire | 26.6¢ | $105.39 |
| Rhode Island | 28.3¢ | $112.08 |
| Alaska | 28.8¢ | $114.22 |
| New York | 29.9¢ | $118.46 |
| Massachusetts | 30.5¢ | $120.80 |
| Maine | 32.4¢ | $128.41 |
| California | 33.6¢ | $133.16 |
| Hawaii | 48.0¢ | $190.18 |