Appliances / Window air conditioners / LG

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WindowENERGY STAR certified

LG LW2422IVSM(230V)

23,500 BTU · Window room air conditioner

Electricity, 10 years
$2,212
Per year
$221

Check the price at the store, then add $2,212 of electricity to get the true cost. We may earn a commission if you buy through these links.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $2,212 of electricity over 10 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$221
Over 10 years
$2,212
Saves vs the federal maximum
$259/yr
Rank for running cost
#456 of 492

About the LG LW2422IVSM(230V)

The LG LW2422IVSM(230V) is a 23,500 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 1,216 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $221 a year, or $2,212 over a typical 10-year life.

That is 54% less energy than the federal maximum for this type of air conditioner (2,642 kWh a year), a saving of about $259 a year compared with a model that only just meets the standard.

Among 492 window models it ranks #456 for running cost. The cheapest model of this type would save $1,739 in electricity over 10 years, though it may differ in size and features.

If you want the same type and a similar size for less to run, the K�hl KCVM18B30B uses 1,074 kWh a year and would save about $258 over 10 years.

Cost to run where you live

Electricity per year
$221
Electricity over 10 years
$2,212
Add the price you pay
+ $2,212

1,216 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.

Cheaper to run, same type and size

Or see every very large rooms (over 15,000 btu) model ranked.

K�hl KCVM18B30B20900 BTU$195/yrsaves $258
Hisense AW2223TW3W22000 BTU$200/yrsaves $211
Friedrich KHVM24B34B21700 BTU$216/yrsaves $51

Specs

BrandLG
ModelLW2422IVSM(230V)
TypeWindow
Energy use1216 kWh / year
Federal maximum for this type2642 kWh / year
Size23,500 BTU
Width26 in
Efficiency (CEER)14.5
MountingStraddles Windowsill
Voltage230 V
Inverter (variable speed)Yes
Heat modeNo
RefrigerantR-32
Height17.7 in
Depth30.7 in
Weight112.0 lb

Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.

Questions people ask

How much does the LG LW2422IVSM(230V) cost to run?

About $221 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 1,216 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.

How much will the LG LW2422IVSM(230V) cost in electricity over its life?

About $2,212 over 10 years, a typical life for a room air conditioner. Add that to the price you pay to get the true cost to own.

Is the LG LW2422IVSM(230V) energy efficient?

Yes. It is ENERGY STAR certified and uses 54% less energy than the federal maximum for its type.

Is there a cheaper air conditioner to run of the same type and size?

Yes. The K�hl KCVM18B30B uses 1,074 kWh a year, about $258 less in electricity over 10 years.

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