WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW1522FVSM

Under the DOE test basis of 750 hours a year, the LG LW1522FVSM draws 714 kWh — about $131 at the U.S. average rate, concentrated in the months you actually run it. It sits near the bottom of the certified table — using 34% more than the median room air conditioner (rank 365 of 439) — so the state you live in matters more than usual. Where you live moves the bill from $94 a year in Nevada to $377 in Hawaii.

Uses 37% less energy than the U.S. federal minimum

Dimensions 15" H × 23.6" W × 28.8" D, 85 lb

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

$131/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$10.92
Per day
36¢
Certified use
714 kWh/yr
Cooling capacity
14,000 BTU/hr
CEER
14.7
Mounting
Straddles Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the LG LW1522FVSM (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

LG LW1522FVSM: 714 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$117
Alaska28.2¢$202
Arizona15.2¢$108
Arkansas14.1¢$101
California34.7¢$248
Colorado17.1¢$122
Connecticut24.3¢$174
Delaware19.3¢$138
District of Columbia24.4¢$174
Florida15.1¢$108
Georgia16.4¢$117
Hawaiipriciest52.7¢$377
Idaho14.4¢$103
Illinois19.9¢$142
Indiana17.5¢$125
Iowa15.9¢$114
Kansas15.7¢$112
Kentucky14.3¢$102
Louisiana13.5¢$96
Maine29.6¢$211
Maryland21.8¢$156
Massachusetts29.6¢$212
Michigan23.0¢$164
Minnesota17.5¢$125
Mississippi14.9¢$106
Missouri16.2¢$116
Montana15.1¢$108
Nebraska13.3¢$95
Nevadacheapest13.1¢$94
New Hampshire27.0¢$193
New Jersey24.9¢$178
New Mexico15.1¢$108
New York29.5¢$211
North Carolina14.7¢$105
North Dakota14.1¢$101
Ohio19.2¢$137
Oklahoma14.3¢$102
Oregon16.3¢$117
Pennsylvania21.7¢$155
Rhode Island29.2¢$209
South Carolina15.6¢$111
South Dakota15.4¢$110
Tennessee14.1¢$101
Texas15.9¢$114
Utah13.4¢$96
Vermont24.4¢$175
Virginia17.2¢$123
Washington14.9¢$107
West Virginia15.4¢$110
Wisconsin19.6¢$140
Wyoming15.2¢$109

Certified models closest in efficiency

room air conditioners within reach of 714 kWh/yr
ModelkWh/yr$/yr (US avg)
LG LW1522IVSM714$131
Friedrich KCVM14B10A709$130
K�hl KCVS16B30Bmost efficient722$132
Danby DAC140EBIBDB700$128
ELEMENT EHWR14BE700$128
Frigidaire FHWW145WE1700$128

Run your own numbers

Your rate, your numbers

Per day
36¢
Per month
$10.91
Per year
$131

714 kWh/yr × 18.3¢/kWh = $131/yr

Prefilled with this model's certified 714 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 LW1522FVSM use?
ENERGY STAR certifies the LG LW1522FVSM at 714 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 LW1522FVSM cost to run per month?
About $10.92 a month at the U.S. average residential rate (18.3¢/kWh) — 36¢ a day, or $131 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW1522FVSM energy efficient?
It uses 34% more electricity than the median certified room air conditioner, which puts it among the least efficient certified models.
What does the LG LW1522FVSM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $94 a year in Nevada (13.1¢/kWh) and $377 in Hawaii (52.7¢/kWh).

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