Sub-Zero DET3050R**/*: $68 a year to run

This model (Refrigerators) uses 324 kWh of electricity a year, which costs about $68 a year and $681 over 10 years at 21.0¢/kWh.

Energy use
324 kWh
per year
Running cost per year
$68
21.0¢/kWh
Running cost over 10 years
$681
Efficiency rank
2,064 / 4,667

10 % less energy than the federal minimum standard.

Product details

TypeFreezerless and Single Door
Total volume (cu ft)16.4
Adjusted volume (cu ft)16.4
RefrigerantR-600a
Federal standard (kWh/year)360
ENERGY STAR Most EfficientNo
Available sinceNovember 18, 2022

Compared with the average model (Refrigerators), this one saves about $13 a year.

More efficient alternatives

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