Sub-Zero CL3650R**/S/*/*: $78 a year to run

This model (Refrigerators) uses 370 kWh of electricity a year, which costs about $78 a year and $778 over 10 years at 21.0¢/kWh.

Energy use
370 kWh
per year
Running cost per year
$78
21.0¢/kWh
Running cost over 10 years
$778
Efficiency rank
2,743 / 4,667

10 % less energy than the federal minimum standard.

Product details

TypeFreezerless and Single Door
Total volume (cu ft)22.8
Adjusted volume (cu ft)22.8
RefrigerantR-600a
Federal standard (kWh/year)411
ENERGY STAR Most EfficientNo
Available sinceNovember 4, 2022

Compared with the average model (Refrigerators), this one saves about $3 a year.

More efficient alternatives

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