Sub-Zero DEU2450B*/*: $51 a year to run

This model (Refrigerators) uses 243 kWh of electricity a year, which costs about $51 a year and $511 over 10 years at 21.0¢/kWh.

Energy use
243 kWh
per year
Running cost per year
$51
21.0¢/kWh
Running cost over 10 years
$511
Efficiency rank
1,002 / 4,667

22 % less energy than the federal minimum standard.

Product details

TypeCompact Refrigerator
Total volume (cu ft)5.5
Adjusted volume (cu ft)5.5
RefrigerantR-600a
Federal standard (kWh/year)310
ENERGY STAR Most EfficientNo
Available sinceMay 1, 2021

Compared with the average model (Refrigerators), this one saves about $30 a year.

More efficient alternatives

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