WattCost

Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

Keystone KSTAD224F

The Keystone KSTAD224F is certified at 278 kWh per year, roughly $51 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 18% less electricity — rank 142 out of 519. The same unit costs $36 a year in Nevada but $147 in Hawaii — electricity rates, not the appliance, make the difference.

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

$51/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$4.25
Per day
14¢
Certified use
278 kWh/yr
Type
Portable Dehumidifier
Capacity
22.31 pints/day
Efficiency (IEF)
1.7 L/kWh
105 kWh2,808 kWh
Where the Keystone KSTAD224F (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

Keystone KSTAD224F: 278 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$46
Alaska28.2¢$78
Arizona15.2¢$42
Arkansas14.1¢$39
California34.7¢$97
Colorado17.1¢$48
Connecticut24.3¢$68
Delaware19.3¢$54
District of Columbia24.4¢$68
Florida15.1¢$42
Georgia16.4¢$45
Hawaiipriciest52.7¢$147
Idaho14.4¢$40
Illinois19.9¢$55
Indiana17.5¢$49
Iowa15.9¢$44
Kansas15.7¢$44
Kentucky14.3¢$40
Louisiana13.5¢$38
Maine29.6¢$82
Maryland21.8¢$61
Massachusetts29.6¢$82
Michigan23.0¢$64
Minnesota17.5¢$49
Mississippi14.9¢$41
Missouri16.2¢$45
Montana15.1¢$42
Nebraska13.3¢$37
Nevadacheapest13.1¢$36
New Hampshire27.0¢$75
New Jersey24.9¢$69
New Mexico15.1¢$42
New York29.5¢$82
North Carolina14.7¢$41
North Dakota14.1¢$39
Ohio19.2¢$53
Oklahoma14.3¢$40
Oregon16.3¢$45
Pennsylvania21.7¢$60
Rhode Island29.2¢$81
South Carolina15.6¢$43
South Dakota15.4¢$43
Tennessee14.1¢$39
Texas15.9¢$44
Utah13.4¢$37
Vermont24.4¢$68
Virginia17.2¢$48
Washington14.9¢$41
West Virginia15.4¢$43
Wisconsin19.6¢$54
Wyoming15.2¢$42

Certified models closest in efficiency

dehumidifiers within reach of 278 kWh/yr
ModelkWh/yr$/yr (US avg)
Comfort Aire BHD-22B278$51
Danby DDR020BJ2WDB278$51
Midea MAD22C1AWS278$51
Midea MAD22C3WMT278$51
Midea MAD22S1WWT278$51
Midea MDUDP-22AEN8-BA7278$51

Run your own numbers

Your rate, your numbers

Per day
14¢
Per month
$4.25
Per year
$51

278 kWh/yr × 18.3¢/kWh = $51/yr

Prefilled with this model's certified 278 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 Keystone KSTAD224F use?
ENERGY STAR certifies the Keystone KSTAD224F at 278 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 Keystone KSTAD224F cost to run per month?
About $4.25 a month at the U.S. average residential rate (18.3¢/kWh) — 14¢ a day, or $51 a year. Your state's rate moves this up or down; see the table above.
Is the Keystone KSTAD224F energy efficient?
It uses 18% less electricity than the median certified dehumidifier, placing it in the efficient third of certified models.
What does the Keystone KSTAD224F cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $36 a year in Nevada (13.1¢/kWh) and $147 in Hawaii (52.7¢/kWh).

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