Data through June 2026
Running cost · Dehumidifiers · ENERGY STAR certified
Waykar CTH30D
Under the DOE test basis, the Waykar CTH30D draws 117 kWh — about $21 at the U.S. average rate, concentrated in the months you actually run it. Only a handful of certified dehumidifiers do better: it ranks 21 of 519 and undercuts the median by 65%. The same unit costs $15 a year in Nevada but $62 in Hawaii — electricity rates, not the appliance, make the difference.
Estimated annual running cost · U.S. average rate 18.3¢/kWh
$21/yr
- Per month
- $1.79
- 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 | 16.4¢ | $19 | |
| Alaska | 28.2¢ | $33 | |
| Arizona | 15.2¢ | $18 | |
| Arkansas | 14.1¢ | $17 | |
| California | 34.7¢ | $41 | |
| Colorado | 17.1¢ | $20 | |
| Connecticut | 24.3¢ | $28 | |
| Delaware | 19.3¢ | $23 | |
| District of Columbia | 24.4¢ | $29 | |
| Florida | 15.1¢ | $18 | |
| Georgia | 16.4¢ | $19 | |
| Hawaiipriciest | 52.7¢ | $62 | |
| Idaho | 14.4¢ | $17 | |
| Illinois | 19.9¢ | $23 | |
| Indiana | 17.5¢ | $20 | |
| Iowa | 15.9¢ | $19 | |
| Kansas | 15.7¢ | $18 | |
| Kentucky | 14.3¢ | $17 | |
| Louisiana | 13.5¢ | $16 | |
| Maine | 29.6¢ | $35 | |
| Maryland | 21.8¢ | $26 | |
| Massachusetts | 29.6¢ | $35 | |
| Michigan | 23.0¢ | $27 | |
| Minnesota | 17.5¢ | $20 | |
| Mississippi | 14.9¢ | $17 | |
| Missouri | 16.2¢ | $19 | |
| Montana | 15.1¢ | $18 | |
| Nebraska | 13.3¢ | $16 | |
| Nevadacheapest | 13.1¢ | $15 | |
| New Hampshire | 27.0¢ | $32 | |
| New Jersey | 24.9¢ | $29 | |
| New Mexico | 15.1¢ | $18 | |
| New York | 29.5¢ | $35 | |
| North Carolina | 14.7¢ | $17 | |
| North Dakota | 14.1¢ | $17 | |
| Ohio | 19.2¢ | $22 | |
| Oklahoma | 14.3¢ | $17 | |
| Oregon | 16.3¢ | $19 | |
| Pennsylvania | 21.7¢ | $25 | |
| Rhode Island | 29.2¢ | $34 | |
| South Carolina | 15.6¢ | $18 | |
| South Dakota | 15.4¢ | $18 | |
| Tennessee | 14.1¢ | $16 | |
| Texas | 15.9¢ | $19 | |
| Utah | 13.4¢ | $16 | |
| Vermont | 24.4¢ | $29 | |
| Virginia | 17.2¢ | $20 | |
| Washington | 14.9¢ | $17 | |
| West Virginia | 15.4¢ | $18 | |
| Wisconsin | 19.6¢ | $23 | |
| Wyoming | 15.2¢ | $18 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| BLACK+DECKER BDT08TW | 117 | $21 |
| KESNOS CTH30B | 117 | $21 |
| KESNOS CTH30E | 117 | $21 |
| Waykar CTH30A | 117 | $21 |
| Waykar PD160B | 122 | $22 |
| Waykar PD160B-A | 122 | $22 |
Run your own numbers
Your rate, your numbers
- Per day
- 6¢
- Per month
- $1.79
- Per year
- $21
117 kWh/yr × 18.3¢/kWh = $21/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 Waykar CTH30D use?
- ENERGY STAR certifies the Waykar CTH30D 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 Waykar CTH30D cost to run per month?
- About $1.79 a month at the U.S. average residential rate (18.3¢/kWh) — 6¢ a day, or $21 a year. Your state's rate moves this up or down; see the table above.
- Is the Waykar CTH30D energy efficient?
- It uses 65% less electricity than the median certified dehumidifier, placing it in the top 10% of certified models.
- What does the Waykar CTH30D cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $15 a year in Nevada (13.1¢/kWh) and $62 in Hawaii (52.7¢/kWh).