WattCost

Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

Honeywell Home DHM120R4000/U

Under the DOE test basis, the Honeywell Home DHM120R4000/U draws 556 kWh — about $102 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 64% more than the median dehumidifier (rank 499 of 519) — so the state you live in matters more than usual. Where you live moves the bill from $73 a year in Nevada to $293 in Hawaii.

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

$102/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$8.50
Per day
28¢
Certified use
556 kWh/yr
Type
Whole-home Dehumidifier
Capacity
94.33 pints/day
Efficiency (IEF)
2.22 L/kWh
105 kWh2,808 kWh
Where the Honeywell Home DHM120R4000/U (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

Honeywell Home DHM120R4000/U: 556 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$91
Alaska28.2¢$157
Arizona15.2¢$84
Arkansas14.1¢$79
California34.7¢$193
Colorado17.1¢$95
Connecticut24.3¢$135
Delaware19.3¢$107
District of Columbia24.4¢$136
Florida15.1¢$84
Georgia16.4¢$91
Hawaiipriciest52.7¢$293
Idaho14.4¢$80
Illinois19.9¢$111
Indiana17.5¢$97
Iowa15.9¢$89
Kansas15.7¢$87
Kentucky14.3¢$79
Louisiana13.5¢$75
Maine29.6¢$165
Maryland21.8¢$121
Massachusetts29.6¢$165
Michigan23.0¢$128
Minnesota17.5¢$97
Mississippi14.9¢$83
Missouri16.2¢$90
Montana15.1¢$84
Nebraska13.3¢$74
Nevadacheapest13.1¢$73
New Hampshire27.0¢$150
New Jersey24.9¢$139
New Mexico15.1¢$84
New York29.5¢$164
North Carolina14.7¢$82
North Dakota14.1¢$79
Ohio19.2¢$107
Oklahoma14.3¢$80
Oregon16.3¢$91
Pennsylvania21.7¢$121
Rhode Island29.2¢$163
South Carolina15.6¢$86
South Dakota15.4¢$85
Tennessee14.1¢$78
Texas15.9¢$89
Utah13.4¢$74
Vermont24.4¢$136
Virginia17.2¢$96
Washington14.9¢$83
West Virginia15.4¢$86
Wisconsin19.6¢$109
Wyoming15.2¢$85

Certified models closest in efficiency

dehumidifiers within reach of 556 kWh/yr
ModelkWh/yr$/yr (US avg)
Honeywell Home DHM090R4000556$102
Santa Fe 4047200most efficient565$104
Airecoler Sailing P155530$97
Airecoler Sailing P155A530$97
Airecoler Sailing S155530$97
Airecoler Sailing S155A530$97

Run your own numbers

Your rate, your numbers

Per day
28¢
Per month
$8.50
Per year
$102

556 kWh/yr × 18.3¢/kWh = $102/yr

Prefilled with this model's certified 556 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.

Certified variants covered by this entry

DHM120R4000/U · DHM120R4000/U

Questions, answered with the data

How much electricity does the Honeywell Home DHM120R4000/U use?
ENERGY STAR certifies the Honeywell Home DHM120R4000/U at 556 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 Honeywell Home DHM120R4000/U cost to run per month?
About $8.50 a month at the U.S. average residential rate (18.3¢/kWh) — 28¢ a day, or $102 a year. Your state's rate moves this up or down; see the table above.
Is the Honeywell Home DHM120R4000/U energy efficient?
It uses 64% more electricity than the median certified dehumidifier, which puts it among the least efficient certified models.
What does the Honeywell Home DHM120R4000/U cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $73 a year in Nevada (13.1¢/kWh) and $293 in Hawaii (52.7¢/kWh).
Does this figure cover other model numbers?
Yes — 2 certified retail variants (color, finish, and store-specific SKUs) share this exact energy certification. They're listed under "Certified variants" on this page.

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