WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW8022IVSM

The LG LW8022IVSM is certified at 387 kWh per year (based on 750 standardized hours), roughly $71 at the national average — though seasonal use means your real bill lands in a few months, not twelve. Compared with the median certified room air conditioner, it uses 27% less electricity — rank 51 out of 439. The same unit costs $51 a year in Nevada but $204 in Hawaii — electricity rates, not the appliance, make the difference.

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

Dimensions 12.4" H × 19.6" W × 24.5" D, 63 lb

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

$71/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$5.92
Per day
19¢
Certified use
387 kWh/yr
Cooling capacity
8,000 BTU/hr
CEER
15.5
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the LG LW8022IVSM (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

LG LW8022IVSM: 387 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$63
Alaska28.2¢$109
Arizona15.2¢$59
Arkansas14.1¢$55
California34.7¢$134
Colorado17.1¢$66
Connecticut24.3¢$94
Delaware19.3¢$75
District of Columbia24.4¢$94
Florida15.1¢$58
Georgia16.4¢$63
Hawaiipriciest52.7¢$204
Idaho14.4¢$56
Illinois19.9¢$77
Indiana17.5¢$68
Iowa15.9¢$62
Kansas15.7¢$61
Kentucky14.3¢$55
Louisiana13.5¢$52
Maine29.6¢$115
Maryland21.8¢$85
Massachusetts29.6¢$115
Michigan23.0¢$89
Minnesota17.5¢$68
Mississippi14.9¢$58
Missouri16.2¢$63
Montana15.1¢$59
Nebraska13.3¢$51
Nevadacheapest13.1¢$51
New Hampshire27.0¢$105
New Jersey24.9¢$97
New Mexico15.1¢$58
New York29.5¢$114
North Carolina14.7¢$57
North Dakota14.1¢$55
Ohio19.2¢$74
Oklahoma14.3¢$55
Oregon16.3¢$63
Pennsylvania21.7¢$84
Rhode Island29.2¢$113
South Carolina15.6¢$60
South Dakota15.4¢$59
Tennessee14.1¢$54
Texas15.9¢$62
Utah13.4¢$52
Vermont24.4¢$95
Virginia17.2¢$67
Washington14.9¢$58
West Virginia15.4¢$60
Wisconsin19.6¢$76
Wyoming15.2¢$59

Certified models closest in efficiency

room air conditioners within reach of 387 kWh/yr
ModelkWh/yr$/yr (US avg)
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
GREE GJC08BU-A6DRNJ2Amost efficient389$71

Run your own numbers

Your rate, your numbers

Per day
19¢
Per month
$5.91
Per year
$71

387 kWh/yr × 18.3¢/kWh = $71/yr

Prefilled with this model's certified 387 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 LG LW8022IVSM use?
ENERGY STAR certifies the LG LW8022IVSM at 387 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 LG LW8022IVSM cost to run per month?
About $5.92 a month at the U.S. average residential rate (18.3¢/kWh) — 19¢ a day, or $71 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW8022IVSM energy efficient?
It uses 27% less electricity than the median certified room air conditioner, placing it in the efficient third of certified models.
What does the LG LW8022IVSM 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 $204 in Hawaii (52.7¢/kWh).

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