Frigidaire FHTC125WC2: $136 a year to run

This model (Room air conditioners) uses 648 kWh of electricity a year, which costs about $136 a year and $1,361 over 10 years at 21.0¢/kWh.

Energy use
648 kWh
per year
Running cost per year
$136
21.0¢/kWh
Running cost over 10 years
$1,361
Efficiency rank
435 / 589

46 % less energy than the federal minimum standard.

Product details

TypeThrough the Wall
Cooling capacity (BTU/h)12000
RefrigerantR-32
ENERGY STAR Most EfficientYes
Available sinceSeptember 4, 2026

Compared with the average model (Room air conditioners), this one costs about $13 more a year.

More efficient alternatives

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