DuraSTAR DRWAC121XVB1: $118 a year to run

This model (Room air conditioners) uses 563 kWh of electricity a year, which costs about $118 a year and $1,182 over 10 years at 21.0¢/kWh.

Energy use
563 kWh
per year
Running cost per year
$118
21.0¢/kWh
Running cost over 10 years
$1,182
Efficiency rank
316 / 589

47 % less energy than the federal minimum standard.

Product details

TypeWindow
Cooling capacity (BTU/h)12000
RefrigerantR-32
ENERGY STAR Most EfficientYes
Available sinceSeptember 29, 2026

Compared with the average model (Room air conditioners), this one saves about $4 a year.

More efficient alternatives

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