WattCost

Data through April 2026

Running cost · Dehumidifiers · ENERGY STAR certified

BLACK+DECKER BDT08TW

Under the DOE test basis, the BLACK+DECKER BDT08TW draws 117 kWh — about $22 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 481 and undercuts the median by 66%. The same unit costs $14 a year in North Dakota but $55 in Hawaii — electricity rates, not the appliance, make the difference.

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

$22/yr

$20 · cheapest certified dehumidifiers$529 · priciest
Per month
$1.84
Per day
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 481 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
Alabama17.4¢$20
Alaska27.4¢$32
Arizona15.5¢$18
Arkansas14.2¢$17
California35.3¢$41
Colorado16.5¢$19
Connecticut32.2¢$38
Delaware18.8¢$22
District of Columbia25.4¢$30
Florida15.4¢$18
Georgia15.4¢$18
Hawaiipriciest46.6¢$55
Idaho12.7¢$15
Illinois20.5¢$24
Indiana17.9¢$21
Iowa13.9¢$16
Kansas15.8¢$18
Kentucky15.0¢$18
Louisiana14.4¢$17
Maine28.4¢$33
Maryland22.1¢$26
Massachusetts29.4¢$34
Michigan21.4¢$25
Minnesota16.4¢$19
Mississippi16.8¢$20
Missouri14.0¢$16
Montana13.9¢$16
Nebraska13.3¢$16
Nevada14.3¢$17
New Hampshire27.2¢$32
New Jersey23.5¢$28
New Mexico15.2¢$18
New York29.4¢$34
North Carolina16.3¢$19
North Dakotacheapest12.3¢$14
Ohio19.5¢$23
Oklahoma13.3¢$16
Oregon15.8¢$18
Pennsylvania21.5¢$25
Rhode Island28.3¢$33
South Carolina17.1¢$20
South Dakota14.5¢$17
Tennessee14.9¢$17
Texas17.0¢$20
Utah13.3¢$16
Vermont24.6¢$29
Virginia17.4¢$20
Washington14.4¢$17
West Virginia16.1¢$19
Wisconsin19.2¢$22
Wyoming14.7¢$17

Certified models closest in efficiency

dehumidifiers within reach of 117 kWh/yr
ModelkWh/yr$/yr (US avg)
KESNOS CTH30B117$22
KESNOS CTH30E117$22
Waykar CTH30A117$22
Waykar CTH30D117$22
Waykar PD160B122$23
Waykar PD160B-A122$23

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.84
Per year
$22

117 kWh/yr × 18.8¢/kWh = $22/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 $1.84 a month at the U.S. average residential rate (18.8¢/kWh) — 6¢ a day, or $22 a year. Your state's rate moves this up or down; see the table above.
Is the BLACK+DECKER BDT08TW energy efficient?
It uses 66% 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 $14 a year in North Dakota (12.3¢/kWh) and $55 in Hawaii (46.6¢/kWh).

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