LG LW1822IVSM: $193 a year to run

This model (Room air conditioners) uses 918 kWh of electricity a year, which costs about $193 a year and $1,930 over 10 years at 21.0¢/kWh.

Energy use
918 kWh
per year
Running cost per year
$193
21.0¢/kWh
Running cost over 10 years
$1,930
Efficiency rank
539 / 589

37 % less energy than the federal minimum standard.

Product details

TypeWindow
Cooling capacity (BTU/h)18000
RefrigerantR-32
ENERGY STAR Most EfficientNo
Available sinceAugust 28, 2023

Compared with the average model (Room air conditioners), this one costs about $70 more a year.

More efficient alternatives

Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology