WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW2422IVSM(208V)

The LG LW2422IVSM(208V) is certified at 1,216 kWh per year (based on 750 standardized hours), roughly $229 at the national average — though seasonal use means your real bill lands in a few months, not twelve. Even among certified models it's on the thirsty end: 129% more electricity than the median room air conditioner, ranked 366 of 396. Where you live moves the bill from $150 a year in North Dakota to $567 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$229/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$19.07
Per day
63¢
Certified use
1,216 kWh/yr
Cooling capacity
23,500 BTU/hr
CEER
14.5
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the LG LW2422IVSM(208V) (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

LG LW2422IVSM(208V): 1,216 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$212
Alaska27.4¢$332
Arizona15.5¢$188
Arkansas14.2¢$172
California35.3¢$428
Colorado16.5¢$201
Connecticut32.2¢$392
Delaware18.8¢$228
District of Columbia25.4¢$309
Florida15.4¢$187
Georgia15.4¢$187
Hawaiipriciest46.6¢$567
Idaho12.7¢$154
Illinois20.5¢$249
Indiana17.9¢$218
Iowa13.9¢$168
Kansas15.8¢$192
Kentucky15.0¢$183
Louisiana14.4¢$176
Maine28.4¢$345
Maryland22.1¢$268
Massachusetts29.4¢$358
Michigan21.4¢$260
Minnesota16.4¢$199
Mississippi16.8¢$204
Missouri14.0¢$170
Montana13.9¢$169
Nebraska13.3¢$161
Nevada14.3¢$174
New Hampshire27.2¢$331
New Jersey23.5¢$286
New Mexico15.2¢$184
New York29.4¢$358
North Carolina16.3¢$198
North Dakotacheapest12.3¢$150
Ohio19.5¢$237
Oklahoma13.3¢$162
Oregon15.8¢$192
Pennsylvania21.5¢$261
Rhode Island28.3¢$344
South Carolina17.1¢$207
South Dakota14.5¢$176
Tennessee14.9¢$182
Texas17.0¢$207
Utah13.3¢$162
Vermont24.6¢$299
Virginia17.4¢$211
Washington14.4¢$175
West Virginia16.1¢$195
Wisconsin19.2¢$233
Wyoming14.7¢$178

Certified models closest in efficiency

room air conditioners within reach of 1,216 kWh/yr
ModelkWh/yr$/yr (US avg)
LG LW2422IVSM(230V)most efficient1,216$229
K�hl KCVM24B30Bmost efficient1,246$235
Midea MAW24S2KWT-Amost efficient1,304$246
Midea MAW24V2KYWT-Smost efficient1,304$246
Midea MWCUWH-24CRFN8-MCM8most efficient1,304$246
Hisense AW2223TW3Wmost efficient1,100$207

Run your own numbers

Your rate, your numbers

Per day
63¢
Per month
$19.08
Per year
$229

1,216 kWh/yr × 18.8¢/kWh = $229/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(208V) use?
ENERGY STAR certifies the LG LW2422IVSM(208V) 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(208V) cost to run per month?
About $19.07 a month at the U.S. average residential rate (18.8¢/kWh) — 63¢ a day, or $229 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW2422IVSM(208V) 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(208V) cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $150 a year in North Dakota (12.3¢/kWh) and $567 in Hawaii (46.6¢/kWh).

Keep digging