WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

HOUSE KOBO KOBOGJC08BU

Under the DOE test basis of 750 hours a year, the HOUSE KOBO KOBOGJC08BU draws 392 kWh — about $72 at the U.S. average rate, concentrated in the months you actually run it. That's 26% less than the median certified room air conditioner, placing it comfortably in the efficient third of the field (58 of 439). The same unit costs $51 a year in Nevada but $207 in Hawaii — electricity rates, not the appliance, make the difference.

Uses 42% less energy than the U.S. federal minimum

Dimensions 13" H × 21" W × 18" D, 60.6 lb

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

$72/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$5.99
Per day
20¢
Certified use
392 kWh/yr
Cooling capacity
8,100 BTU/hr
CEER
15.5
Mounting
Straddles Window
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the HOUSE KOBO KOBOGJC08BU (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

HOUSE KOBO KOBOGJC08BU: 392 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$64
Alaska28.2¢$111
Arizona15.2¢$59
Arkansas14.1¢$55
California34.7¢$136
Colorado17.1¢$67
Connecticut24.3¢$95
Delaware19.3¢$76
District of Columbia24.4¢$96
Florida15.1¢$59
Georgia16.4¢$64
Hawaiipriciest52.7¢$207
Idaho14.4¢$56
Illinois19.9¢$78
Indiana17.5¢$69
Iowa15.9¢$62
Kansas15.7¢$62
Kentucky14.3¢$56
Louisiana13.5¢$53
Maine29.6¢$116
Maryland21.8¢$86
Massachusetts29.6¢$116
Michigan23.0¢$90
Minnesota17.5¢$69
Mississippi14.9¢$58
Missouri16.2¢$64
Montana15.1¢$59
Nebraska13.3¢$52
Nevadacheapest13.1¢$51
New Hampshire27.0¢$106
New Jersey24.9¢$98
New Mexico15.1¢$59
New York29.5¢$116
North Carolina14.7¢$58
North Dakota14.1¢$55
Ohio19.2¢$75
Oklahoma14.3¢$56
Oregon16.3¢$64
Pennsylvania21.7¢$85
Rhode Island29.2¢$115
South Carolina15.6¢$61
South Dakota15.4¢$60
Tennessee14.1¢$55
Texas15.9¢$62
Utah13.4¢$52
Vermont24.4¢$96
Virginia17.2¢$67
Washington14.9¢$58
West Virginia15.4¢$61
Wisconsin19.6¢$77
Wyoming15.2¢$60

Certified models closest in efficiency

room air conditioners within reach of 392 kWh/yr
ModelkWh/yr$/yr (US avg)
GREE GJC08BU-A6DRNJ2Amost efficient389$71
Midea MAW08U1KWTmost efficient387$71
Midea MAW08U1KWT-Amost efficient387$71
Midea MAW08V1KWT-Amost efficient387$71
Midea MAW08V1KYWT-Smost efficient387$71
Midea MWFUQB-8CRFN8-BCN11most efficient387$71

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$5.99
Per year
$72

392 kWh/yr × 18.3¢/kWh = $72/yr

Prefilled with this model's certified 392 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 HOUSE KOBO KOBOGJC08BU use?
ENERGY STAR certifies the HOUSE KOBO KOBOGJC08BU at 392 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 HOUSE KOBO KOBOGJC08BU cost to run per month?
About $5.99 a month at the U.S. average residential rate (18.3¢/kWh) — 20¢ a day, or $72 a year. Your state's rate moves this up or down; see the table above.
Is the HOUSE KOBO KOBOGJC08BU energy efficient?
It uses 26% less electricity than the median certified room air conditioner, placing it in the efficient third of certified models.
What does the HOUSE KOBO KOBOGJC08BU cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $51 a year in Nevada (13.1¢/kWh) and $207 in Hawaii (52.7¢/kWh).

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