WattCost

Data through June 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 $42 at the U.S. average rate, concentrated in the months you actually run it. That's 32% less than the median certified dehumidifier, placing it comfortably in the efficient third of the field (84 of 519). The same unit costs $30 a year in Nevada but $121 in Hawaii — electricity rates, not the appliance, make the difference.

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$42/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$3.52
Per day
12¢
Certified use
230 kWh/yr
Type
Portable Dehumidifier
Capacity
18.5 pints/day
Efficiency (IEF)
1.7 L/kWh
105 kWh2,808 kWh
Where the KNKA PRO PD30MA-20 (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

KNKA PRO PD30MA-20: 230 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$38
Alaska28.2¢$65
Arizona15.2¢$35
Arkansas14.1¢$32
California34.7¢$80
Colorado17.1¢$39
Connecticut24.3¢$56
Delaware19.3¢$44
District of Columbia24.4¢$56
Florida15.1¢$35
Georgia16.4¢$38
Hawaiipriciest52.7¢$121
Idaho14.4¢$33
Illinois19.9¢$46
Indiana17.5¢$40
Iowa15.9¢$37
Kansas15.7¢$36
Kentucky14.3¢$33
Louisiana13.5¢$31
Maine29.6¢$68
Maryland21.8¢$50
Massachusetts29.6¢$68
Michigan23.0¢$53
Minnesota17.5¢$40
Mississippi14.9¢$34
Missouri16.2¢$37
Montana15.1¢$35
Nebraska13.3¢$30
Nevadacheapest13.1¢$30
New Hampshire27.0¢$62
New Jersey24.9¢$57
New Mexico15.1¢$35
New York29.5¢$68
North Carolina14.7¢$34
North Dakota14.1¢$32
Ohio19.2¢$44
Oklahoma14.3¢$33
Oregon16.3¢$38
Pennsylvania21.7¢$50
Rhode Island29.2¢$67
South Carolina15.6¢$36
South Dakota15.4¢$35
Tennessee14.1¢$32
Texas15.9¢$37
Utah13.4¢$31
Vermont24.4¢$56
Virginia17.2¢$40
Washington14.9¢$34
West Virginia15.4¢$36
Wisconsin19.6¢$45
Wyoming15.2¢$35

Certified models closest in efficiency

dehumidifiers within reach of 230 kWh/yr
ModelkWh/yr$/yr (US avg)
KNKA PD30MA-20230$42
Glowells PD12A225$41
ALORAIR Sentinel Pro35Xmost efficient242$44
ARGENDON Sandidry Pro35Cmost efficient242$44
Midea MAD20S1QWT249$46
Midea MC20MSWBA3RCM249$46

Run your own numbers

Your rate, your numbers

Per day
12¢
Per month
$3.52
Per year
$42

230 kWh/yr × 18.3¢/kWh = $42/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 $3.52 a month at the U.S. average residential rate (18.3¢/kWh) — 12¢ a day, or $42 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 32% 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 $30 a year in Nevada (13.1¢/kWh) and $121 in Hawaii (52.7¢/kWh).

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