WattCost

Data through June 2026

Running cost · Dehumidifiers · ENERGY STAR certified

BLACK+DECKER BDT08TW

Under the DOE test basis, the BLACK+DECKER BDT08TW draws 117 kWh — about $21 at the U.S. average rate, concentrated in the months you actually run it. Only a handful of certified dehumidifiers do better: it ranks 17 of 519 and undercuts the median by 65%. The same unit costs $15 a year in Nevada but $62 in Hawaii — electricity rates, not the appliance, make the difference.

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

$21/yr

$19 · cheapest certified dehumidifiers$515 · priciest
Per month
$1.79
Per day
6¢
Certified use
117 kWh/yr
Type
Portable Dehumidifier
Capacity
9.2 pints/day
Efficiency (IEF)
1.73 L/kWh
105 kWh2,808 kWh
Where the BLACK+DECKER BDT08TW (▮) sits among all 519 certified dehumidifiers, by annual kWh

What it costs in every state

BLACK+DECKER BDT08TW: 117 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$19
Alaska28.2¢$33
Arizona15.2¢$18
Arkansas14.1¢$17
California34.7¢$41
Colorado17.1¢$20
Connecticut24.3¢$28
Delaware19.3¢$23
District of Columbia24.4¢$29
Florida15.1¢$18
Georgia16.4¢$19
Hawaiipriciest52.7¢$62
Idaho14.4¢$17
Illinois19.9¢$23
Indiana17.5¢$20
Iowa15.9¢$19
Kansas15.7¢$18
Kentucky14.3¢$17
Louisiana13.5¢$16
Maine29.6¢$35
Maryland21.8¢$26
Massachusetts29.6¢$35
Michigan23.0¢$27
Minnesota17.5¢$20
Mississippi14.9¢$17
Missouri16.2¢$19
Montana15.1¢$18
Nebraska13.3¢$16
Nevadacheapest13.1¢$15
New Hampshire27.0¢$32
New Jersey24.9¢$29
New Mexico15.1¢$18
New York29.5¢$35
North Carolina14.7¢$17
North Dakota14.1¢$17
Ohio19.2¢$22
Oklahoma14.3¢$17
Oregon16.3¢$19
Pennsylvania21.7¢$25
Rhode Island29.2¢$34
South Carolina15.6¢$18
South Dakota15.4¢$18
Tennessee14.1¢$16
Texas15.9¢$19
Utah13.4¢$16
Vermont24.4¢$29
Virginia17.2¢$20
Washington14.9¢$17
West Virginia15.4¢$18
Wisconsin19.6¢$23
Wyoming15.2¢$18

Certified models closest in efficiency

dehumidifiers within reach of 117 kWh/yr
ModelkWh/yr$/yr (US avg)
KESNOS CTH30B117$21
KESNOS CTH30E117$21
Waykar CTH30A117$21
Waykar CTH30D117$21
Waykar PD160B122$22
Waykar PD160B-A122$22

Run your own numbers

Your rate, your numbers

Per day
6¢
Per month
$1.79
Per year
$21

117 kWh/yr × 18.3¢/kWh = $21/yr

Prefilled with this model's certified 117 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 BLACK+DECKER BDT08TW use?
ENERGY STAR certifies the BLACK+DECKER BDT08TW at 117 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 BLACK+DECKER BDT08TW cost to run per month?
About $1.79 a month at the U.S. average residential rate (18.3¢/kWh) — 6¢ a day, or $21 a year. Your state's rate moves this up or down; see the table above.
Is the BLACK+DECKER BDT08TW energy efficient?
It uses 65% less electricity than the median certified dehumidifier, placing it in the top 10% of certified models.
What does the BLACK+DECKER BDT08TW cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $15 a year in Nevada (13.1¢/kWh) and $62 in Hawaii (52.7¢/kWh).

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