Appliances / Window air conditioners / LG
LG LW6023IVSM
6,000 BTU · Window room air conditioner
Check the price at the store, then add $528 of electricity to get the true cost. We may earn a commission if you buy through these links.
- Price. Check what it costs at the store.
- Plus running cost. Add $528 of electricity over 10 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the LG LW6023IVSM
The LG LW6023IVSM is a 6,000 BTU window room air conditioner certified by ENERGY STAR. Its official test figure is 290 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $53 a year, or $528 over a typical 10-year life.
That is 41% less energy than the federal maximum for this type of air conditioner (492 kWh a year), a saving of about $37 a year compared with a model that only just meets the standard.
Among 492 window models it ranks #21 for running cost, in the cheapest 10%. The cheapest model of this type would save $55 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 Midea MAW06S1KWT-A uses 281 kWh a year and would save about $16 over 10 years.
Cost to run where you live
290 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 small rooms (under 8,000 btu) model ranked.
| Midea MAW06S1KWT-A | 6000 BTU | $51/yr | saves $16 |
| Midea MAW06V1KYWT-S | 6000 BTU | $51/yr | saves $16 |
Specs
| Brand | LG |
| Model | LW6023IVSM |
| Type | Window |
| Energy use | 290 kWh / year |
| Federal maximum for this type | 492 kWh / year |
| Size | 6,000 BTU |
| Width | 19.6 in |
| Efficiency (CEER) | 15.5 |
| Mounting | Does Not Straddle Window or Windowsill |
| Voltage | 115 V |
| Inverter (variable speed) | Yes |
| Heat mode | No |
| Refrigerant | R-32 |
| Height | 12.4 in |
| Depth | 24.5 in |
| Weight | 62.0 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 LW6023IVSM cost to run?
About $53 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 290 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 LW6023IVSM cost in electricity over its life?
About $528 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 LW6023IVSM energy efficient?
Yes. It is ENERGY STAR certified and uses 41% 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 Midea MAW06S1KWT-A uses 281 kWh a year, about $16 less in electricity over 10 years.
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