Appliances / Window air conditioners / LG

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WindowENERGY STAR certified

LG LW8022IVSM

8,000 BTU · Window room air conditioner

Electricity, 10 years
$704
Per year
$70

Check the price at the store, then add $704 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 $704 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)
$70
Over 10 years
$704
Saves vs the federal maximum
$51/yr
Rank for running cost
#77 of 492

About the LG LW8022IVSM

The LG LW8022IVSM is a 8,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 387 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $70 a year, or $704 over a typical 10-year life.

That is 42% less energy than the federal maximum for this type of air conditioner (667 kWh a year), a saving of about $51 a year compared with a model that only just meets the standard.

Among 492 window models it ranks #77 for running cost. The cheapest model of this type would save $231 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 ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year and would save about $25 over 10 years.

Cost to run where you live

Electricity per year
$70
Electricity over 10 years
$704
Add the price you pay
+ $704

387 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 medium rooms (8,000 to 10,000 btu) model ranked.

ZAFRO 54091EWA0-8K-ZAZ8100 BTU$68/yrsaves $25
BLACK+DECKER BDM08C8000 BTU$68/yrsaves $22
DuraSTAR DRWAC081XVB18000 BTU$68/yrsaves $22
Frigidaire FHWW085WF18000 BTU$68/yrsaves $22

Specs

BrandLG
ModelLW8022IVSM
TypeWindow
Energy use387 kWh / year
Federal maximum for this type667 kWh / year
Size8,000 BTU
Width19.6 in
Efficiency (CEER)15.5
MountingStraddles Windowsill
Voltage115 V
Inverter (variable speed)Yes
Heat modeNo
RefrigerantR-32
Height12.4 in
Depth24.5 in
Weight63.0 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 LW8022IVSM cost to run?

About $70 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 387 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 LW8022IVSM cost in electricity over its life?

About $704 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 LW8022IVSM energy efficient?

Yes. It is ENERGY STAR certified and uses 42% 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 ZAFRO 54091EWA0-8K-ZAZ uses 373 kWh a year, about $25 less in electricity over 10 years.

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