WattCost

Data through April 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 $74 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 (48 of 396). The same unit costs $48 a year in North Dakota but $183 in Hawaii — electricity rates, not the appliance, make the difference.

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

$74/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$6.15
Per day
20¢
Certified use
392 kWh/yr
Cooling capacity
8,100 BTU/hr
CEER
15.5
Mounting
Straddles Window
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the HOUSE KOBO KOBOGJC08BU (▮) sits among all 396 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
Alabama17.4¢$68
Alaska27.4¢$107
Arizona15.5¢$61
Arkansas14.2¢$55
California35.3¢$138
Colorado16.5¢$65
Connecticut32.2¢$126
Delaware18.8¢$74
District of Columbia25.4¢$100
Florida15.4¢$60
Georgia15.4¢$60
Hawaiipriciest46.6¢$183
Idaho12.7¢$50
Illinois20.5¢$80
Indiana17.9¢$70
Iowa13.9¢$54
Kansas15.8¢$62
Kentucky15.0¢$59
Louisiana14.4¢$57
Maine28.4¢$111
Maryland22.1¢$86
Massachusetts29.4¢$115
Michigan21.4¢$84
Minnesota16.4¢$64
Mississippi16.8¢$66
Missouri14.0¢$55
Montana13.9¢$54
Nebraska13.3¢$52
Nevada14.3¢$56
New Hampshire27.2¢$107
New Jersey23.5¢$92
New Mexico15.2¢$59
New York29.4¢$115
North Carolina16.3¢$64
North Dakotacheapest12.3¢$48
Ohio19.5¢$76
Oklahoma13.3¢$52
Oregon15.8¢$62
Pennsylvania21.5¢$84
Rhode Island28.3¢$111
South Carolina17.1¢$67
South Dakota14.5¢$57
Tennessee14.9¢$59
Texas17.0¢$67
Utah13.3¢$52
Vermont24.6¢$96
Virginia17.4¢$68
Washington14.4¢$56
West Virginia16.1¢$63
Wisconsin19.2¢$75
Wyoming14.7¢$58

Certified models closest in efficiency

room air conditioners within reach of 392 kWh/yr
ModelkWh/yr$/yr (US avg)
GREE GJC08BU-A6DRNJ2Amost efficient389$73
Midea MAW08V1KWT-Amost efficient387$73
Midea MAW08V1KYWT-Smost efficient387$73
Midea MWFUQB-8CRFN8-BCN11most efficient387$73
LG LW8022IVSM387$73
Midea MAW08HV1KWT-Amost efficient397$75

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$6.15
Per year
$74

392 kWh/yr × 18.8¢/kWh = $74/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 $6.15 a month at the U.S. average residential rate (18.8¢/kWh) — 20¢ a day, or $74 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 $48 a year in North Dakota (12.3¢/kWh) and $183 in Hawaii (46.6¢/kWh).

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