Data through April 2026
Running cost · Dehumidifiers · ENERGY STAR certified
KNKA PRO PD30MA-20
Under the DOE test basis, the KNKA PRO PD30MA-20 draws 230 kWh — about $43 at the U.S. average rate, concentrated in the months you actually run it. That's 33% less than the median certified dehumidifier, placing it comfortably in the efficient third of the field (72 of 481). The same unit costs $28 a year in North Dakota but $107 in Hawaii — electricity rates, not the appliance, make the difference.
Estimated annual running cost · U.S. average rate 18.8¢/kWh
$43/yr
- Per month
- $3.61
- Per day
- 12¢
- Certified use
- 230 kWh/yr
- Type
- Portable Dehumidifier
- Capacity
- 18.5 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¢ | $40 | |
| Alaska | 27.4¢ | $63 | |
| Arizona | 15.5¢ | $36 | |
| Arkansas | 14.2¢ | $33 | |
| California | 35.3¢ | $81 | |
| Colorado | 16.5¢ | $38 | |
| Connecticut | 32.2¢ | $74 | |
| Delaware | 18.8¢ | $43 | |
| District of Columbia | 25.4¢ | $58 | |
| Florida | 15.4¢ | $35 | |
| Georgia | 15.4¢ | $35 | |
| Hawaiipriciest | 46.6¢ | $107 | |
| Idaho | 12.7¢ | $29 | |
| Illinois | 20.5¢ | $47 | |
| Indiana | 17.9¢ | $41 | |
| Iowa | 13.9¢ | $32 | |
| Kansas | 15.8¢ | $36 | |
| Kentucky | 15.0¢ | $35 | |
| Louisiana | 14.4¢ | $33 | |
| Maine | 28.4¢ | $65 | |
| Maryland | 22.1¢ | $51 | |
| Massachusetts | 29.4¢ | $68 | |
| Michigan | 21.4¢ | $49 | |
| Minnesota | 16.4¢ | $38 | |
| Mississippi | 16.8¢ | $39 | |
| Missouri | 14.0¢ | $32 | |
| Montana | 13.9¢ | $32 | |
| Nebraska | 13.3¢ | $31 | |
| Nevada | 14.3¢ | $33 | |
| New Hampshire | 27.2¢ | $63 | |
| New Jersey | 23.5¢ | $54 | |
| New Mexico | 15.2¢ | $35 | |
| New York | 29.4¢ | $68 | |
| North Carolina | 16.3¢ | $37 | |
| North Dakotacheapest | 12.3¢ | $28 | |
| Ohio | 19.5¢ | $45 | |
| Oklahoma | 13.3¢ | $31 | |
| Oregon | 15.8¢ | $36 | |
| Pennsylvania | 21.5¢ | $49 | |
| Rhode Island | 28.3¢ | $65 | |
| South Carolina | 17.1¢ | $39 | |
| South Dakota | 14.5¢ | $33 | |
| Tennessee | 14.9¢ | $34 | |
| Texas | 17.0¢ | $39 | |
| Utah | 13.3¢ | $31 | |
| Vermont | 24.6¢ | $56 | |
| Virginia | 17.4¢ | $40 | |
| Washington | 14.4¢ | $33 | |
| West Virginia | 16.1¢ | $37 | |
| Wisconsin | 19.2¢ | $44 | |
| Wyoming | 14.7¢ | $34 |
Certified models closest in efficiency
| Model | kWh/yr | $/yr (US avg) |
|---|---|---|
| KNKA PD30MA-20 | 230 | $43 |
| ALORAIR Sentinel Pro35Xmost efficient | 242 | $46 |
| ARGENDON Sandidry Pro35Cmost efficient | 242 | $46 |
| Midea MAD20S1QWT | 249 | $47 |
| Midea MC20MSWBA3RCM | 249 | $47 |
| Midea MDUDMA-20AEN8-BA7 | 249 | $47 |
Run your own numbers
Your rate, your numbers
- Per day
- 12¢
- Per month
- $3.61
- Per year
- $43
230 kWh/yr × 18.8¢/kWh = $43/yr
Prefilled with this model's certified 230 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 KNKA PRO PD30MA-20 use?
- ENERGY STAR certifies the KNKA PRO PD30MA-20 at 230 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 KNKA PRO PD30MA-20 cost to run per month?
- About $3.61 a month at the U.S. average residential rate (18.8¢/kWh) — 12¢ a day, or $43 a year. Your state's rate moves this up or down; see the table above.
- Is the KNKA PRO PD30MA-20 energy efficient?
- It uses 33% less electricity than the median certified dehumidifier, placing it in the efficient third of certified models.
- What does the KNKA PRO PD30MA-20 cost to run in the cheapest vs. priciest state?
- At current residential rates it costs about $28 a year in North Dakota (12.3¢/kWh) and $107 in Hawaii (46.6¢/kWh).