Bosch Air 4000 running cost
$22.70/year
The Bosch Air 4000 is rated at 124 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $22.70 a year, or $1.89 a month.
How it compares
Among 88 certified medium-room (200-400 sq ft) air purifiers (same size band), it ranks #10 for lowest running cost (class median $27.19/year). Recommended room size (sq ft): 242.
Cheaper-to-run air purifiers in the same size band
- MegaLight AP-HCE99-WT — 89 kWh/yr, $16.30/yr
- Rainbow Luggable Ultra — 93 kWh/yr, $17.03/yr
- AROEVE DH-JH021US-A00 — 101 kWh/yr, $18.49/yr
- Blueair 3132111100 — 103 kWh/yr, $18.91/yr
- Blueair 3232111101 — 108 kWh/yr, $19.77/yr
Specifications
| Smoke CADR (cfm) | 156.0 |
|---|---|
| Dust CADR (cfm) | 171.0 |
| Pollen CADR (cfm) | 182.0 |
| PM2.5 CADR (cfm) | 163.0 |
| Ozone emissions (ppb) | 0.00 |
| Filter type | HEPA-Type |
| Smart / connected | No |
| On market since | 2024-03-21 |
| Annual energy use | 124 kWh |
Source: ENERGY STAR certified air purifiers dataset, record 4471345. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $15.77 |
| Nevada | 12.8¢ | $15.83 |
| Utah | 13.1¢ | $16.27 |
| North Dakota | 13.4¢ | $16.63 |
| Tennessee | 13.7¢ | $17.00 |
| Idaho | 13.7¢ | $17.03 |
| Nebraska | 13.8¢ | $17.09 |
| Kentucky | 13.8¢ | $17.12 |
| Arkansas | 14.3¢ | $17.77 |
| Oklahoma | 14.3¢ | $17.79 |
| Wyoming | 14.4¢ | $17.81 |
| Mississippi | 14.5¢ | $18.03 |
| Washington | 14.7¢ | $18.24 |
| Montana | 15.0¢ | $18.59 |
| Florida | 15.0¢ | $18.64 |
| North Carolina | 15.2¢ | $18.80 |
| Kansas | 15.3¢ | $18.93 |
| South Dakota | 15.4¢ | $19.06 |
| Arizona | 15.4¢ | $19.07 |
| South Carolina | 15.5¢ | $19.18 |
| West Virginia | 15.8¢ | $19.57 |
| Texas | 15.9¢ | $19.69 |
| Oregon | 16.0¢ | $19.80 |
| Iowa | 16.0¢ | $19.83 |
| Missouri | 16.1¢ | $19.95 |
| New Mexico | 16.1¢ | $19.95 |
| Georgia | 16.3¢ | $20.17 |
| Alabama | 16.4¢ | $20.34 |
| Indiana | 16.7¢ | $20.75 |
| Colorado | 17.0¢ | $21.08 |
| Minnesota | 17.4¢ | $21.64 |
| Virginia | 17.6¢ | $21.76 |
| Delaware | 18.5¢ | $22.92 |
| Wisconsin | 19.1¢ | $23.63 |
| Illinois | 19.2¢ | $23.83 |
| Ohio | 19.4¢ | $24.12 |
| Maryland | 21.4¢ | $26.55 |
| Pennsylvania | 21.7¢ | $26.93 |
| Michigan | 23.1¢ | $28.58 |
| Vermont | 23.8¢ | $29.45 |
| Connecticut | 24.2¢ | $29.96 |
| New Jersey | 25.2¢ | $31.24 |
| District of Columbia | 25.2¢ | $31.26 |
| New Hampshire | 26.6¢ | $32.98 |
| Rhode Island | 28.3¢ | $35.08 |
| Alaska | 28.8¢ | $35.75 |
| New York | 29.9¢ | $37.08 |
| Massachusetts | 30.5¢ | $37.81 |
| Maine | 32.4¢ | $40.19 |
| California | 33.6¢ | $41.68 |
| Hawaii | 48.0¢ | $59.52 |