WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW8024IVSM

Under the DOE test basis of 750 hours a year, the LG LW8024IVSM draws 425 kWh — about $80 at the U.S. average rate, concentrated in the months you actually run it. That's 20% less than the median certified room air conditioner, placing it comfortably in the efficient third of the field (116 of 396). The same unit costs $52 a year in North Dakota but $198 in Hawaii — electricity rates, not the appliance, make the difference.

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

$80/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$6.67
Per day
22¢
Certified use
425 kWh/yr
Cooling capacity
8,500 BTU/hr
CEER
15
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the LG LW8024IVSM (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

LG LW8024IVSM: 425 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$74
Alaska27.4¢$116
Arizona15.5¢$66
Arkansas14.2¢$60
California35.3¢$150
Colorado16.5¢$70
Connecticut32.2¢$137
Delaware18.8¢$80
District of Columbia25.4¢$108
Florida15.4¢$65
Georgia15.4¢$65
Hawaiipriciest46.6¢$198
Idaho12.7¢$54
Illinois20.5¢$87
Indiana17.9¢$76
Iowa13.9¢$59
Kansas15.8¢$67
Kentucky15.0¢$64
Louisiana14.4¢$61
Maine28.4¢$121
Maryland22.1¢$94
Massachusetts29.4¢$125
Michigan21.4¢$91
Minnesota16.4¢$70
Mississippi16.8¢$71
Missouri14.0¢$60
Montana13.9¢$59
Nebraska13.3¢$56
Nevada14.3¢$61
New Hampshire27.2¢$116
New Jersey23.5¢$100
New Mexico15.2¢$64
New York29.4¢$125
North Carolina16.3¢$69
North Dakotacheapest12.3¢$52
Ohio19.5¢$83
Oklahoma13.3¢$57
Oregon15.8¢$67
Pennsylvania21.5¢$91
Rhode Island28.3¢$120
South Carolina17.1¢$73
South Dakota14.5¢$62
Tennessee14.9¢$63
Texas17.0¢$72
Utah13.3¢$56
Vermont24.6¢$104
Virginia17.4¢$74
Washington14.4¢$61
West Virginia16.1¢$68
Wisconsin19.2¢$82
Wyoming14.7¢$62

Certified models closest in efficiency

room air conditioners within reach of 425 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAT08R1FWTKmost efficient426$80
Midea MAT08R1SWTKmost efficient426$80
Midea MWEUTW-08CRFN8-BCN1most efficient426$80
Seasons ST08VB1most efficient426$80
Gradient CCHP11most efficient415$78
Keystone KSTAW08INV-HCmost efficient414$78

Run your own numbers

Your rate, your numbers

Per day
22¢
Per month
$6.67
Per year
$80

425 kWh/yr × 18.8¢/kWh = $80/yr

Prefilled with this model's certified 425 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 LW8024IVSM use?
ENERGY STAR certifies the LG LW8024IVSM at 425 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 LW8024IVSM cost to run per month?
About $6.67 a month at the U.S. average residential rate (18.8¢/kWh) — 22¢ a day, or $80 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW8024IVSM energy efficient?
It uses 20% less electricity than the median certified room air conditioner, placing it in the efficient third of certified models.
What does the LG LW8024IVSM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $52 a year in North Dakota (12.3¢/kWh) and $198 in Hawaii (46.6¢/kWh).

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