LG LW2422IVSM(208V): running cost
ENERGY STAR certifies the LG LW2422IVSM(208V) at 1,215.5 kWh/yr, one of the more expensive models in its category to run for its category.
That $229 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a room air conditioner
The category average is 603 kWh/yr; this model runs 101.6% above it, ranking 415 of 447 room air conditioners tracked here for running cost. That average is drawn from all 447 room air conditioners ENERGY STAR currently certifies, not an outside number, a $115/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the LG LW2422IVSM(208V): Hisense AW2223TW3W ($207/yr, 1,100 kWh/yr), then LG LW2422IVSM(230V) ($229/yr, 1,215.5 kWh/yr).
Same brand, different models
Ranked 11 of LG's 12 certified room air conditioners, this sits between the LW6023IVSM ($55/yr, the brand's cheapest) and the LW2422IVSM(230V) ($229/yr, its priciest).
LG LW2422IVSM(208V) over 10 years
NAHB's Study of Life Expectancy of Home Components puts a typical room air conditioner's service life at 10 years; run the LG LW2422IVSM(208V) that long and it costs about $2,285 in electricity, on top of whatever it cost to buy.
Shopping for a new one
The LG LW2422IVSM(208V) runs above its category average. If the room air conditioner you actually own is older still, likely well past ENERGY STAR's efficiency baseline when it was made, a current certified model could cost meaningfully less than this model's $229/year every year.
Compare current ENERGY STAR certified room air conditioners before buying.
If you're keeping it
Whether or not the LG LW2422IVSM(208V) ever needs replacing, a repair is the more common failure for a room air conditioner, one a protection plan budgets for ahead of time.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. Ranked 415 of 447, the LG LW2422IVSM(208V) sits in the middle of the room air conditioner category, see the guide to why your state changes this number for the other half of the math.