WattCost

Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

Midea MC20MSWBA3RCM

The Midea MC20MSWBA3RCM is certified at 249 kWh per year, roughly $46 at the national average — though seasonal use means your real bill lands in a few months, not twelve. Compared with the median certified dehumidifier, it uses 26% less electricity — rank 88 out of 519. Where you live moves the bill from $33 a year in Nevada to $131 in Hawaii.

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

$46/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$3.81
Per day
13¢
Certified use
249 kWh/yr
Type
Portable Dehumidifier
Capacity
20.16 pints/day
Efficiency (IEF)
1.7 L/kWh
105 kWh2,808 kWh
Where the Midea MC20MSWBA3RCM (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

Midea MC20MSWBA3RCM: 249 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$41
Alaska28.2¢$70
Arizona15.2¢$38
Arkansas14.1¢$35
California34.7¢$87
Colorado17.1¢$43
Connecticut24.3¢$61
Delaware19.3¢$48
District of Columbia24.4¢$61
Florida15.1¢$38
Georgia16.4¢$41
Hawaiipriciest52.7¢$131
Idaho14.4¢$36
Illinois19.9¢$50
Indiana17.5¢$44
Iowa15.9¢$40
Kansas15.7¢$39
Kentucky14.3¢$36
Louisiana13.5¢$34
Maine29.6¢$74
Maryland21.8¢$54
Massachusetts29.6¢$74
Michigan23.0¢$57
Minnesota17.5¢$44
Mississippi14.9¢$37
Missouri16.2¢$40
Montana15.1¢$38
Nebraska13.3¢$33
Nevadacheapest13.1¢$33
New Hampshire27.0¢$67
New Jersey24.9¢$62
New Mexico15.1¢$37
New York29.5¢$73
North Carolina14.7¢$37
North Dakota14.1¢$35
Ohio19.2¢$48
Oklahoma14.3¢$36
Oregon16.3¢$41
Pennsylvania21.7¢$54
Rhode Island29.2¢$73
South Carolina15.6¢$39
South Dakota15.4¢$38
Tennessee14.1¢$35
Texas15.9¢$40
Utah13.4¢$33
Vermont24.4¢$61
Virginia17.2¢$43
Washington14.9¢$37
West Virginia15.4¢$38
Wisconsin19.6¢$49
Wyoming15.2¢$38

Certified models closest in efficiency

dehumidifiers within reach of 249 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAD20S1QWT249$46
Midea MDUDMA-20AEN8-BA7249$46
ALORAIR Sentinel Pro35Xmost efficient242$44
ARGENDON Sandidry Pro35Cmost efficient242$44
Deye DYD-P30most efficient256$47
AeroNova ADC018most efficient257$47

Run your own numbers

Your rate, your numbers

Per day
13¢
Per month
$3.81
Per year
$46

249 kWh/yr × 18.3¢/kWh = $46/yr

Prefilled with this model's certified 249 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 Midea MC20MSWBA3RCM use?
ENERGY STAR certifies the Midea MC20MSWBA3RCM at 249 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 Midea MC20MSWBA3RCM cost to run per month?
About $3.81 a month at the U.S. average residential rate (18.3¢/kWh) — 13¢ a day, or $46 a year. Your state's rate moves this up or down; see the table above.
Is the Midea MC20MSWBA3RCM energy efficient?
It uses 26% less electricity than the median certified dehumidifier, placing it in the efficient third of certified models.
What does the Midea MC20MSWBA3RCM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $33 a year in Nevada (13.1¢/kWh) and $131 in Hawaii (52.7¢/kWh).

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