WattCost

Data through April 2026

Room Air Conditioners · 12 certified models

LG

This data covers 12 certified LG — annual running costs span $55 to $229 at national-average rates (median $113; the whole-category median is $100).

All certified models

LG, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1LG LW6023IVSMmost efficient290$55
2LG LW8022IVSM387$73
3LG LW8024IVSM425$80
4LG LW1022FVSM500$94
5LG LW1022IVSM500$94
6LG LW1222IVSM600$113
7LG LW1224IVSM600$113
8LG LW1522FVSM714$135
9LG LW1522IVSM714$135
10LG LW1822IVSM918$173
11LG LW2422IVSM(208V)most efficient1,216$229
12LG LW2422IVSM(230V)most efficient1,216$229

Other brand facets

Questions, answered with the data

How much does it cost to run LG room air conditioners?
Among 12 certified models in this data, LG room air conditioners cost $55 to $229 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $113.
Do LG room air conditioners cost more or less than the average room air conditioner?
The median model here runs $113 a year, 13% more than the $100 median across all certified room air conditioners.
What's the cheapest model among LG room air conditioners?
The LG LW6023IVSM costs about $55 a year at the U.S. average rate (290 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for room air conditioners?
The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.

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