WattCost

Data through April 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 $73 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 43 out of 396. The same unit costs $48 a year in North Dakota but $180 in Hawaii — electricity rates, not the appliance, make the difference.

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

$73/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$6.07
Per day
20¢
Certified use
387 kWh/yr
Cooling capacity
8,000 BTU/hr
CEER
15.5
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the LG LW8022IVSM (▮) sits among all 396 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
Alabama17.4¢$67
Alaska27.4¢$106
Arizona15.5¢$60
Arkansas14.2¢$55
California35.3¢$136
Colorado16.5¢$64
Connecticut32.2¢$125
Delaware18.8¢$73
District of Columbia25.4¢$98
Florida15.4¢$60
Georgia15.4¢$59
Hawaiipriciest46.6¢$180
Idaho12.7¢$49
Illinois20.5¢$79
Indiana17.9¢$69
Iowa13.9¢$54
Kansas15.8¢$61
Kentucky15.0¢$58
Louisiana14.4¢$56
Maine28.4¢$110
Maryland22.1¢$85
Massachusetts29.4¢$114
Michigan21.4¢$83
Minnesota16.4¢$63
Mississippi16.8¢$65
Missouri14.0¢$54
Montana13.9¢$54
Nebraska13.3¢$51
Nevada14.3¢$55
New Hampshire27.2¢$105
New Jersey23.5¢$91
New Mexico15.2¢$59
New York29.4¢$114
North Carolina16.3¢$63
North Dakotacheapest12.3¢$48
Ohio19.5¢$75
Oklahoma13.3¢$52
Oregon15.8¢$61
Pennsylvania21.5¢$83
Rhode Island28.3¢$110
South Carolina17.1¢$66
South Dakota14.5¢$56
Tennessee14.9¢$58
Texas17.0¢$66
Utah13.3¢$51
Vermont24.6¢$95
Virginia17.4¢$67
Washington14.4¢$56
West Virginia16.1¢$62
Wisconsin19.2¢$74
Wyoming14.7¢$57

Certified models closest in efficiency

room air conditioners within reach of 387 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAW08V1KWT-Amost efficient387$73
Midea MAW08V1KYWT-Smost efficient387$73
Midea MWFUQB-8CRFN8-BCN11most efficient387$73
GREE GJC08BU-A6DRNJ2Amost efficient389$73
K�hl KCVS08B10Bmost efficient384$72
HOUSE KOBO KOBOGJC08BU392$74

Run your own numbers

Your rate, your numbers

Per day
20¢
Per month
$6.07
Per year
$73

387 kWh/yr × 18.8¢/kWh = $73/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 $6.07 a month at the U.S. average residential rate (18.8¢/kWh) — 20¢ a day, or $73 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 $48 a year in North Dakota (12.3¢/kWh) and $180 in Hawaii (46.6¢/kWh).

Keep digging