Data through April 2026
Running cost · Dehumidifiers · ENERGY STAR certified
KESNOS CTH30B
The KESNOS CTH30B is certified at 117 kWh per year, roughly $22 at the national average — though seasonal use means your real bill lands in a few months, not twelve. Only a handful of certified dehumidifiers do better: it ranks 18 of 481 and undercuts the median by 66%. Where you live moves the bill from $14 a year in North Dakota to $55 in Hawaii.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$22/yr
- Per month
- $1.84
- Per day
- 6¢
- Certified use
- 117 kWh/yr
- Type
- Portable Dehumidifier
- Capacity
- 9.2 pints/day
- Efficiency (IEF)
- 1.7 L/kWh
What it costs in every state
| State | Rate ¢/kWh | This model $/yr | Relative cost |
|---|---|---|---|
| Alabama | 17.4¢ | $20 | |
| Alaska | 27.4¢ | $32 | |
| Arizona | 15.5¢ | $18 | |
| Arkansas | 14.2¢ | $17 | |
| California | 35.3¢ | $41 | |
| Colorado | 16.5¢ | $19 | |
| Connecticut | 32.2¢ | $38 | |
| Delaware | 18.8¢ | $22 | |
| District of Columbia | 25.4¢ | $30 | |
| Florida | 15.4¢ | $18 | |
| Georgia | 15.4¢ | $18 | |
| Hawaiipriciest | 46.6¢ | $55 | |
| Idaho | 12.7¢ | $15 | |
| Illinois | 20.5¢ | $24 | |
| Indiana | 17.9¢ | $21 | |
| Iowa | 13.9¢ | $16 | |
| Kansas | 15.8¢ | $18 | |
| Kentucky | 15.0¢ | $18 | |
| Louisiana | 14.4¢ | $17 | |
| Maine | 28.4¢ | $33 | |
| Maryland | 22.1¢ | $26 | |
| Massachusetts | 29.4¢ | $34 | |
| Michigan | 21.4¢ | $25 | |
| Minnesota | 16.4¢ | $19 | |
| Mississippi | 16.8¢ | $20 | |
| Missouri | 14.0¢ | $16 | |
| Montana | 13.9¢ | $16 | |
| Nebraska | 13.3¢ | $16 | |
| Nevada | 14.3¢ | $17 | |
| New Hampshire | 27.2¢ | $32 | |
| New Jersey | 23.5¢ | $28 | |
| New Mexico | 15.2¢ | $18 | |
| New York | 29.4¢ | $34 | |
| North Carolina | 16.3¢ | $19 | |
| North Dakotacheapest | 12.3¢ | $14 | |
| Ohio | 19.5¢ | $23 | |
| Oklahoma | 13.3¢ | $16 | |
| Oregon | 15.8¢ | $18 | |
| Pennsylvania | 21.5¢ | $25 | |
| Rhode Island | 28.3¢ | $33 | |
| South Carolina | 17.1¢ | $20 | |
| South Dakota | 14.5¢ | $17 | |
| Tennessee | 14.9¢ | $17 | |
| Texas | 17.0¢ | $20 | |
| Utah | 13.3¢ | $16 | |
| Vermont | 24.6¢ | $29 | |
| Virginia | 17.4¢ | $20 | |
| Washington | 14.4¢ | $17 | |
| West Virginia | 16.1¢ | $19 | |
| Wisconsin | 19.2¢ | $22 | |
| Wyoming | 14.7¢ | $17 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| BLACK+DECKER BDT08TW | 117 | $22 |
| KESNOS CTH30E | 117 | $22 |
| Waykar CTH30A | 117 | $22 |
| Waykar CTH30D | 117 | $22 |
| Waykar PD160B | 122 | $23 |
| Waykar PD160B-A | 122 | $23 |
Run your own numbers
Your rate, your numbers
- Per day
- 6¢
- Per month
- $1.84
- Per year
- $22
117 kWh/yr × 18.8¢/kWh = $22/yr
Prefilled with this model's certified 117 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.
Questions, answered with the data
- How much electricity does the KESNOS CTH30B use?
- ENERGY STAR certifies the KESNOS CTH30B at 117 kWh per year. The certified annual kWh comes from the DOE test basis for standardized annual runtime. Damp basements that run a unit year-round will exceed it; seasonal use will come in under.
- How much does the KESNOS CTH30B cost to run per month?
- About $1.84 a month at the U.S. average residential rate (18.8¢/kWh) — 6¢ a day, or $22 a year. Your state's rate moves this up or down; see the table above.
- Is the KESNOS CTH30B energy efficient?
- It uses 66% less electricity than the median certified dehumidifier, placing it in the top 10% of certified models.
- What does the KESNOS CTH30B cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $14 a year in North Dakota (12.3¢/kWh) and $55 in Hawaii (46.6¢/kWh).