WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

BLACK+DECKER BD12NWES

Under the DOE test basis of 750 hours a year, the BLACK+DECKER BD12NWES draws 600 kWh — about $113 at the U.S. average rate, concentrated in the months you actually run it. That's close to the middle of the certified pack — about 13% above the median room air conditioner, ranked 226 of 396. The same unit costs $74 a year in North Dakota but $280 in Hawaii — electricity rates, not the appliance, make the difference.

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

$113/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$9.41
Per day
31¢
Certified use
600 kWh/yr
Cooling capacity
12,000 BTU/hr
CEER
15
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the BLACK+DECKER BD12NWES (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

BLACK+DECKER BD12NWES: 600 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$104
Alaska27.4¢$164
Arizona15.5¢$93
Arkansas14.2¢$85
California35.3¢$212
Colorado16.5¢$99
Connecticut32.2¢$193
Delaware18.8¢$113
District of Columbia25.4¢$152
Florida15.4¢$92
Georgia15.4¢$92
Hawaiipriciest46.6¢$280
Idaho12.7¢$76
Illinois20.5¢$123
Indiana17.9¢$107
Iowa13.9¢$83
Kansas15.8¢$95
Kentucky15.0¢$90
Louisiana14.4¢$87
Maine28.4¢$171
Maryland22.1¢$132
Massachusetts29.4¢$177
Michigan21.4¢$128
Minnesota16.4¢$98
Mississippi16.8¢$101
Missouri14.0¢$84
Montana13.9¢$83
Nebraska13.3¢$80
Nevada14.3¢$86
New Hampshire27.2¢$163
New Jersey23.5¢$141
New Mexico15.2¢$91
New York29.4¢$177
North Carolina16.3¢$98
North Dakotacheapest12.3¢$74
Ohio19.5¢$117
Oklahoma13.3¢$80
Oregon15.8¢$95
Pennsylvania21.5¢$129
Rhode Island28.3¢$170
South Carolina17.1¢$102
South Dakota14.5¢$87
Tennessee14.9¢$90
Texas17.0¢$102
Utah13.3¢$80
Vermont24.6¢$147
Virginia17.4¢$104
Washington14.4¢$86
West Virginia16.1¢$96
Wisconsin19.2¢$115
Wyoming14.7¢$88

Certified models closest in efficiency

room air conditioners within reach of 600 kWh/yr
ModelkWh/yr$/yr (US avg)
Century RXTS-121A600$113
Comfort Aire RXTS-121A600$113
Danby DAC120ECBIWDB600$113
DELLA 048-TL-W12KI600$113
ELEMENT EHWR12BE600$113
Friedrich CCV12A10A600$113

Run your own numbers

Your rate, your numbers

Per day
31¢
Per month
$9.41
Per year
$113

600 kWh/yr × 18.8¢/kWh = $113/yr

Prefilled with this model's certified 600 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.

Questions, answered with the data

How much electricity does the BLACK+DECKER BD12NWES use?
ENERGY STAR certifies the BLACK+DECKER BD12NWES at 600 kWh per year. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
How much does the BLACK+DECKER BD12NWES cost to run per month?
About $9.41 a month at the U.S. average residential rate (18.8¢/kWh) — 31¢ a day, or $113 a year. Your state's rate moves this up or down; see the table above.
Is the BLACK+DECKER BD12NWES energy efficient?
It uses 13% more electricity than the median certified room air conditioner.
What does the BLACK+DECKER BD12NWES cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $74 a year in North Dakota (12.3¢/kWh) and $280 in Hawaii (46.6¢/kWh).

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