LG LW1222IVSM Running Cost (Room Air Conditioner)
LG LW1222IVSM: running cost
ENERGY STAR certifies the LG LW1222IVSM at 600 kWh/yr, about average for its category to run for its category.
That $113 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
Against the category average of 603 kWh/yr, this model uses 0.5% less, ranking 287 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 $1/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 LW1222IVSM: Ktaxon TIWC-12CRD1 ($113/yr, 600 kWh/yr), then LG LW1224IVSM ($113/yr, 600 kWh/yr).
Same brand, different models
Ranked 6 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).
What this adds up to over time
10 years is NAHB's typical service life for this category; at $113/year, the LG LW1222IVSM adds up to about $1,128 in electricity over that span.
Shopping for a new one
Efficient as certified room air conditioners go, $113/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
Whether or not the LG LW1222IVSM 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
Ranked 287 of 447, the LG LW1222IVSM 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. The 600 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.