KESNOS CTH30B running cost
$21.42/year
The KESNOS CTH30B is rated at 117 kWh per year (ENERGY STAR test conditions). At the US average residential price of 18.3¢/kWh (July 2026), that is about $21.42 a year, or $1.79 a month.
How it compares
Among 250 certified small (up to 25 pints/day) portable dehumidifiers (same size band), it ranks #17 for lowest running cost (class median $50.54/year). Water removal (pints/day, DOE test): 9.2.
Cheaper-to-run dehumidifiers in the same size band
- Ukoke UDH0125 — 105 kWh/yr, $19.23/yr
- Sweetcrispy AS-CSJ72XK-2WT-OL — 105 kWh/yr, $19.23/yr
- OLIXIS AS-CSJ72XK-2WT-OL — 105 kWh/yr, $19.23/yr
- DUMOS AS-CSJ72XK-2WT-OL — 105 kWh/yr, $19.23/yr
- SMUG AS-CSJ72XK-2WT-OL — 105 kWh/yr, $19.23/yr
Specifications
| Type | Portable Dehumidifier |
|---|---|
| Efficiency (L/kWh) | 1.70 |
| Refrigerant | — |
| Smart / connected | No |
| On market since | 2025-05-15 |
| ENERGY STAR Most Efficient | No |
| Annual energy use | 117 kWh |
Source: ENERGY STAR certified dehumidifiers dataset, record 4429398. Real-world use depends on hours of operation, settings and climate.
Cost to run in every state
| State | Price | Per year |
|---|---|---|
| Louisiana | 12.7¢ | $14.88 |
| Nevada | 12.8¢ | $14.94 |
| Utah | 13.1¢ | $15.35 |
| North Dakota | 13.4¢ | $15.69 |
| Tennessee | 13.7¢ | $16.04 |
| Idaho | 13.7¢ | $16.06 |
| Nebraska | 13.8¢ | $16.12 |
| Kentucky | 13.8¢ | $16.16 |
| Arkansas | 14.3¢ | $16.77 |
| Oklahoma | 14.3¢ | $16.79 |
| Wyoming | 14.4¢ | $16.80 |
| Mississippi | 14.5¢ | $17.01 |
| Washington | 14.7¢ | $17.21 |
| Montana | 15.0¢ | $17.54 |
| Florida | 15.0¢ | $17.59 |
| North Carolina | 15.2¢ | $17.74 |
| Kansas | 15.3¢ | $17.87 |
| South Dakota | 15.4¢ | $17.98 |
| Arizona | 15.4¢ | $17.99 |
| South Carolina | 15.5¢ | $18.10 |
| West Virginia | 15.8¢ | $18.46 |
| Texas | 15.9¢ | $18.58 |
| Oregon | 16.0¢ | $18.68 |
| Iowa | 16.0¢ | $18.71 |
| Missouri | 16.1¢ | $18.83 |
| New Mexico | 16.1¢ | $18.83 |
| Georgia | 16.3¢ | $19.04 |
| Alabama | 16.4¢ | $19.19 |
| Indiana | 16.7¢ | $19.57 |
| Colorado | 17.0¢ | $19.89 |
| Minnesota | 17.4¢ | $20.42 |
| Virginia | 17.6¢ | $20.53 |
| Delaware | 18.5¢ | $21.62 |
| Wisconsin | 19.1¢ | $22.30 |
| Illinois | 19.2¢ | $22.49 |
| Ohio | 19.4¢ | $22.76 |
| Maryland | 21.4¢ | $25.05 |
| Pennsylvania | 21.7¢ | $25.41 |
| Michigan | 23.1¢ | $26.97 |
| Vermont | 23.8¢ | $27.79 |
| Connecticut | 24.2¢ | $28.27 |
| New Jersey | 25.2¢ | $29.47 |
| District of Columbia | 25.2¢ | $29.50 |
| New Hampshire | 26.6¢ | $31.12 |
| Rhode Island | 28.3¢ | $33.10 |
| Alaska | 28.8¢ | $33.73 |
| New York | 29.9¢ | $34.98 |
| Massachusetts | 30.5¢ | $35.67 |
| Maine | 32.4¢ | $37.92 |
| California | 33.6¢ | $39.32 |
| Hawaii | 48.0¢ | $56.16 |