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Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

HBN PD21MB-20

Under the DOE test basis, the HBN PD21MB-20 draws 182 kWh — about $33 at the U.S. average rate, concentrated in the months you actually run it. That's 46% less than the median certified dehumidifier, placing it comfortably in the efficient third of the field (63 of 519). The same unit costs $24 a year in Nevada but $96 in Hawaii — electricity rates, not the appliance, make the difference. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$33/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$2.78
Per day
9¢
Certified use
182 kWh/yr
Type
Portable Dehumidifier
Capacity
16 pints/day
Efficiency (IEF)
1.85 L/kWh
105 kWh2,808 kWh
Where the HBN PD21MB-20 (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

HBN PD21MB-20: 182 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$30
Alaska28.2¢$51
Arizona15.2¢$28
Arkansas14.1¢$26
California34.7¢$63
Colorado17.1¢$31
Connecticut24.3¢$44
Delaware19.3¢$35
District of Columbia24.4¢$44
Florida15.1¢$27
Georgia16.4¢$30
Hawaiipriciest52.7¢$96
Idaho14.4¢$26
Illinois19.9¢$36
Indiana17.5¢$32
Iowa15.9¢$29
Kansas15.7¢$29
Kentucky14.3¢$26
Louisiana13.5¢$25
Maine29.6¢$54
Maryland21.8¢$40
Massachusetts29.6¢$54
Michigan23.0¢$42
Minnesota17.5¢$32
Mississippi14.9¢$27
Missouri16.2¢$30
Montana15.1¢$28
Nebraska13.3¢$24
Nevadacheapest13.1¢$24
New Hampshire27.0¢$49
New Jersey24.9¢$45
New Mexico15.1¢$27
New York29.5¢$54
North Carolina14.7¢$27
North Dakota14.1¢$26
Ohio19.2¢$35
Oklahoma14.3¢$26
Oregon16.3¢$30
Pennsylvania21.7¢$40
Rhode Island29.2¢$53
South Carolina15.6¢$28
South Dakota15.4¢$28
Tennessee14.1¢$26
Texas15.9¢$29
Utah13.4¢$24
Vermont24.4¢$44
Virginia17.2¢$31
Washington14.9¢$27
West Virginia15.4¢$28
Wisconsin19.6¢$36
Wyoming15.2¢$28

Certified models closest in efficiency

dehumidifiers within reach of 182 kWh/yr
ModelkWh/yr$/yr (US avg)
BEHOME PD21MB-20most efficient182$33
Jack&Rose DH02most efficient182$33
CONCETTA AS-CSJ72XK-4D5WT-OLmost efficient181$33
DGUAM V2183$34
DGVAM V2183$34
Dr. Prepare DDH20LFmost efficient181$33

Run your own numbers

Your rate, your numbers

Per day
9¢
Per month
$2.78
Per year
$33

182 kWh/yr × 18.3¢/kWh = $33/yr

Prefilled with this model's certified 182 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 HBN PD21MB-20 use?
ENERGY STAR certifies the HBN PD21MB-20 at 182 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 HBN PD21MB-20 cost to run per month?
About $2.78 a month at the U.S. average residential rate (18.3¢/kWh) — 9¢ a day, or $33 a year. Your state's rate moves this up or down; see the table above.
Is the HBN PD21MB-20 energy efficient?
It uses 46% 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 HBN PD21MB-20 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $24 a year in Nevada (13.1¢/kWh) and $96 in Hawaii (52.7¢/kWh).

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