WattCost

Data through April 2026

Running cost · Dehumidifiers · ENERGY STAR certified

Whirlpool WHAD251AW

The Whirlpool WHAD251AW is certified at 283 kWh per year, roughly $53 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 17% less electricity — rank 162 out of 481. Where you live moves the bill from $35 a year in North Dakota to $132 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$53/yr

$20 · cheapest certified dehumidifiers$529 · priciest
Per month
$4.44
Per day
15¢
Certified use
283 kWh/yr
Type
Portable Dehumidifier
Capacity
24.84 pints/day
Efficiency (IEF)
1.85 L/kWh
105 kWh2,808 kWh
Where the Whirlpool WHAD251AW (▮) sits among all 481 certified dehumidifiers, by annual kWh

What it costs in every state

Whirlpool WHAD251AW: 283 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$49
Alaska27.4¢$77
Arizona15.5¢$44
Arkansas14.2¢$40
California35.3¢$100
Colorado16.5¢$47
Connecticut32.2¢$91
Delaware18.8¢$53
District of Columbia25.4¢$72
Florida15.4¢$44
Georgia15.4¢$43
Hawaiipriciest46.6¢$132
Idaho12.7¢$36
Illinois20.5¢$58
Indiana17.9¢$51
Iowa13.9¢$39
Kansas15.8¢$45
Kentucky15.0¢$43
Louisiana14.4¢$41
Maine28.4¢$80
Maryland22.1¢$62
Massachusetts29.4¢$83
Michigan21.4¢$61
Minnesota16.4¢$46
Mississippi16.8¢$47
Missouri14.0¢$40
Montana13.9¢$39
Nebraska13.3¢$38
Nevada14.3¢$40
New Hampshire27.2¢$77
New Jersey23.5¢$67
New Mexico15.2¢$43
New York29.4¢$83
North Carolina16.3¢$46
North Dakotacheapest12.3¢$35
Ohio19.5¢$55
Oklahoma13.3¢$38
Oregon15.8¢$45
Pennsylvania21.5¢$61
Rhode Island28.3¢$80
South Carolina17.1¢$48
South Dakota14.5¢$41
Tennessee14.9¢$42
Texas17.0¢$48
Utah13.3¢$38
Vermont24.6¢$70
Virginia17.4¢$49
Washington14.4¢$41
West Virginia16.1¢$45
Wisconsin19.2¢$54
Wyoming14.7¢$42

Certified models closest in efficiency

dehumidifiers within reach of 283 kWh/yr
ModelkWh/yr$/yr (US avg)
Frigidaire FHDD2234W1283$53
MegaLight PD-MPC720-WTmost efficient283$53
Midea MDUDA-25AEN8-BB0F283$53
TCL T25DC9Rmost efficient283$53
Vissani VAD25S1AWTS283$53
Vissani VAD25S1BWTS283$53

Run your own numbers

Your rate, your numbers

Per day
15¢
Per month
$4.44
Per year
$53

283 kWh/yr × 18.8¢/kWh = $53/yr

Prefilled with this model's certified 283 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 Whirlpool WHAD251AW use?
ENERGY STAR certifies the Whirlpool WHAD251AW at 283 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 Whirlpool WHAD251AW cost to run per month?
About $4.44 a month at the U.S. average residential rate (18.8¢/kWh) — 15¢ a day, or $53 a year. Your state's rate moves this up or down; see the table above.
Is the Whirlpool WHAD251AW energy efficient?
It uses 17% less electricity than the median certified dehumidifier, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the Whirlpool WHAD251AW cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $35 a year in North Dakota (12.3¢/kWh) and $132 in Hawaii (46.6¢/kWh).

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