LG LW1822IVSM Running Cost (Room Air Conditioner)
What the LG LW1822IVSM costs to run
The LG LW1822IVSM is certified by ENERGY STAR at 918.4 kWh a year, one of the more expensive models in its category to run among room air conditioners currently certified.
That $173 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.
How the LG LW1822IVSM compares to other room air conditioners
The category average is 603 kWh/yr; this model runs 52.3% above it, ranking 403 of 447 room air conditioners tracked here for running cost. 447 certified room air conditioners, one average, about $59/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the LG LW1822IVSM on that list: Midea MWCUWH-18CRFN8-MCN10 ($169/yr, 900 kWh/yr) runs slightly less, while Friedrich CCV18A30A ($176/yr, 937.5 kWh/yr) runs slightly more.
Same brand, different models
Ranked 10 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).
Cost over its typical lifespan
10 years is NAHB's typical service life for this category; at $173/year, the LG LW1822IVSM adds up to about $1,727 in electricity over that span.
Weighing a replacement
Running above the category average, $173/year is exactly the kind of number that makes a newer, more efficient model pay for itself faster.
Worth comparing a few current certified models before deciding.
If you're keeping it
Whether or not the LG LW1822IVSM ever needs replacing, a repair is the more common failure for a room air conditioner, one a protection plan budgets for ahead of time.
How this was checked
The full Room Air Conditioner category page shows all 447 room air conditioners ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 918.4 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.