WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW2422IVSM(230V)

Under the DOE test basis of 750 hours a year, the LG LW2422IVSM(230V) draws 1,216 kWh — about $223 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 129% more than the median room air conditioner (rank 408 of 439) — so the state you live in matters more than usual. Where you live moves the bill from $159 a year in Nevada to $641 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

Uses 54% less energy than the U.S. federal minimum

Dimensions 17.7" H × 26" W × 30.7" D, 112 lb

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

$223/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$18.58
Per day
61¢
Certified use
1,216 kWh/yr
Cooling capacity
23,500 BTU/hr
CEER
14.5
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the LG LW2422IVSM(230V) (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

LG LW2422IVSM(230V): 1,216 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$199
Alaska28.2¢$343
Arizona15.2¢$185
Arkansas14.1¢$172
California34.7¢$422
Colorado17.1¢$208
Connecticut24.3¢$296
Delaware19.3¢$234
District of Columbia24.4¢$296
Florida15.1¢$184
Georgia16.4¢$199
Hawaiipriciest52.7¢$641
Idaho14.4¢$175
Illinois19.9¢$242
Indiana17.5¢$213
Iowa15.9¢$194
Kansas15.7¢$191
Kentucky14.3¢$173
Louisiana13.5¢$164
Maine29.6¢$360
Maryland21.8¢$265
Massachusetts29.6¢$360
Michigan23.0¢$279
Minnesota17.5¢$213
Mississippi14.9¢$181
Missouri16.2¢$197
Montana15.1¢$184
Nebraska13.3¢$161
Nevadacheapest13.1¢$159
New Hampshire27.0¢$328
New Jersey24.9¢$303
New Mexico15.1¢$183
New York29.5¢$358
North Carolina14.7¢$179
North Dakota14.1¢$172
Ohio19.2¢$233
Oklahoma14.3¢$174
Oregon16.3¢$198
Pennsylvania21.7¢$264
Rhode Island29.2¢$355
South Carolina15.6¢$189
South Dakota15.4¢$187
Tennessee14.1¢$171
Texas15.9¢$194
Utah13.4¢$163
Vermont24.4¢$297
Virginia17.2¢$209
Washington14.9¢$181
West Virginia15.4¢$188
Wisconsin19.6¢$238
Wyoming15.2¢$185

Certified models closest in efficiency

room air conditioners within reach of 1,216 kWh/yr
ModelkWh/yr$/yr (US avg)
LG LW2422IVSM(208V)most efficient1,216$223
K�hl KCVM24B30Bmost efficient1,246$229
Midea MAW24RV1KWTmost efficient1,304$239
Midea MAW24S2KWT-Amost efficient1,304$239
Midea MAW24V2KYWT-Smost efficient1,304$239
Midea MWCUWH-24CRFN8-MCM8most efficient1,304$239

Run your own numbers

Your rate, your numbers

Per day
61¢
Per month
$18.58
Per year
$223

1,216 kWh/yr × 18.3¢/kWh = $223/yr

Prefilled with this model's certified 1,216 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 LW2422IVSM(230V) use?
ENERGY STAR certifies the LG LW2422IVSM(230V) at 1,216 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 LW2422IVSM(230V) cost to run per month?
About $18.58 a month at the U.S. average residential rate (18.3¢/kWh) — 61¢ a day, or $223 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW2422IVSM(230V) energy efficient?
It uses 129% more electricity than the median certified room air conditioner, which puts it among the least efficient certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the LG LW2422IVSM(230V) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $159 a year in Nevada (13.1¢/kWh) and $641 in Hawaii (52.7¢/kWh).

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