WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

LG LW6023IVSM

Under the DOE test basis of 750 hours a year, the LG LW6023IVSM draws 290 kWh — about $55 at the U.S. average rate, concentrated in the months you actually run it. That puts it in the most efficient tenth of every certified room air conditioner — 45% less electricity than the median, ranked 9 of 396. Where you live moves the bill from $36 a year in North Dakota to $135 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$55/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$4.56
Per day
15¢
Certified use
290 kWh/yr
Cooling capacity
6,000 BTU/hr
CEER
15.5
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the LG LW6023IVSM (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

LG LW6023IVSM: 290 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$51
Alaska27.4¢$79
Arizona15.5¢$45
Arkansas14.2¢$41
California35.3¢$102
Colorado16.5¢$48
Connecticut32.2¢$94
Delaware18.8¢$55
District of Columbia25.4¢$74
Florida15.4¢$45
Georgia15.4¢$45
Hawaiipriciest46.6¢$135
Idaho12.7¢$37
Illinois20.5¢$59
Indiana17.9¢$52
Iowa13.9¢$40
Kansas15.8¢$46
Kentucky15.0¢$44
Louisiana14.4¢$42
Maine28.4¢$83
Maryland22.1¢$64
Massachusetts29.4¢$85
Michigan21.4¢$62
Minnesota16.4¢$48
Mississippi16.8¢$49
Missouri14.0¢$41
Montana13.9¢$40
Nebraska13.3¢$39
Nevada14.3¢$41
New Hampshire27.2¢$79
New Jersey23.5¢$68
New Mexico15.2¢$44
New York29.4¢$85
North Carolina16.3¢$47
North Dakotacheapest12.3¢$36
Ohio19.5¢$57
Oklahoma13.3¢$39
Oregon15.8¢$46
Pennsylvania21.5¢$62
Rhode Island28.3¢$82
South Carolina17.1¢$50
South Dakota14.5¢$42
Tennessee14.9¢$43
Texas17.0¢$49
Utah13.3¢$39
Vermont24.6¢$71
Virginia17.4¢$50
Washington14.4¢$42
West Virginia16.1¢$47
Wisconsin19.2¢$56
Wyoming14.7¢$43

Certified models closest in efficiency

room air conditioners within reach of 290 kWh/yr
ModelkWh/yr$/yr (US avg)
Midea MAW06U1QWTmost efficient298$56
Midea MAW06V1QWBL-Tmost efficient298$56
Midea MAW06V1QWTmost efficient298$56
Midea MAW06V1UBLmost efficient298$56
Midea MAW06V1UWTmost efficient298$56
Midea MWAUQB-06CRFN8-BCN11most efficient298$56

Run your own numbers

Your rate, your numbers

Per day
15¢
Per month
$4.55
Per year
$55

290 kWh/yr × 18.8¢/kWh = $55/yr

Prefilled with this model's certified 290 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 LW6023IVSM use?
ENERGY STAR certifies the LG LW6023IVSM at 290 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 LW6023IVSM cost to run per month?
About $4.56 a month at the U.S. average residential rate (18.8¢/kWh) — 15¢ a day, or $55 a year. Your state's rate moves this up or down; see the table above.
Is the LG LW6023IVSM energy efficient?
It uses 45% less electricity than the median certified room air conditioner, placing it in the top 10% of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the LG LW6023IVSM cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $36 a year in North Dakota (12.3¢/kWh) and $135 in Hawaii (46.6¢/kWh).

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