WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Danby DAC100B8IWDB-6

Under the DOE test basis of 750 hours a year, the Danby DAC100B8IWDB-6 draws 500 kWh — about $92 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 6% under the median room air conditioner, ranked 162 of 439. The same unit costs $66 a year in Nevada but $264 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 38% less energy than the U.S. federal minimum

Dimensions 13.5" H × 19.2" W × 22" D, 54 lb

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

$92/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$7.64
Per day
25¢
Certified use
500 kWh/yr
Cooling capacity
10,000 BTU/hr
CEER
15
Mounting
Straddles Window
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Danby DAC100B8IWDB-6 (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

Danby DAC100B8IWDB-6: 500 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$82
Alaska28.2¢$141
Arizona15.2¢$76
Arkansas14.1¢$71
California34.7¢$174
Colorado17.1¢$86
Connecticut24.3¢$122
Delaware19.3¢$96
District of Columbia24.4¢$122
Florida15.1¢$76
Georgia16.4¢$82
Hawaiipriciest52.7¢$264
Idaho14.4¢$72
Illinois19.9¢$99
Indiana17.5¢$88
Iowa15.9¢$80
Kansas15.7¢$79
Kentucky14.3¢$71
Louisiana13.5¢$67
Maine29.6¢$148
Maryland21.8¢$109
Massachusetts29.6¢$148
Michigan23.0¢$115
Minnesota17.5¢$88
Mississippi14.9¢$74
Missouri16.2¢$81
Montana15.1¢$76
Nebraska13.3¢$66
Nevadacheapest13.1¢$66
New Hampshire27.0¢$135
New Jersey24.9¢$125
New Mexico15.1¢$75
New York29.5¢$147
North Carolina14.7¢$74
North Dakota14.1¢$71
Ohio19.2¢$96
Oklahoma14.3¢$72
Oregon16.3¢$82
Pennsylvania21.7¢$109
Rhode Island29.2¢$146
South Carolina15.6¢$78
South Dakota15.4¢$77
Tennessee14.1¢$70
Texas15.9¢$80
Utah13.4¢$67
Vermont24.4¢$122
Virginia17.2¢$86
Washington14.9¢$75
West Virginia15.4¢$77
Wisconsin19.6¢$98
Wyoming15.2¢$76

Certified models closest in efficiency

room air conditioners within reach of 500 kWh/yr
ModelkWh/yr$/yr (US avg)
BLACK+DECKER BD10NWES500$92
Century RXTS-101A500$92
Comfort Aire RXTS-101A500$92
DELLA 048-TL-W10KI500$92
ELEMENT EHWR10BE500$92
Friedrich CCV10A10A500$92

Run your own numbers

Your rate, your numbers

Per day
25¢
Per month
$7.64
Per year
$92

500 kWh/yr × 18.3¢/kWh = $92/yr

Prefilled with this model's certified 500 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 Danby DAC100B8IWDB-6 use?
ENERGY STAR certifies the Danby DAC100B8IWDB-6 at 500 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 Danby DAC100B8IWDB-6 cost to run per month?
About $7.64 a month at the U.S. average residential rate (18.3¢/kWh) — 25¢ a day, or $92 a year. Your state's rate moves this up or down; see the table above.
Is the Danby DAC100B8IWDB-6 energy efficient?
It uses 6% less electricity than the median certified room air conditioner.
What does the Danby DAC100B8IWDB-6 cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $66 a year in Nevada (13.1¢/kWh) and $264 in Hawaii (52.7¢/kWh).

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