Sub-Zero CL3050U**/S/*/*: $117 a year to run

This model (Refrigerators) uses 557 kWh of electricity a year, which costs about $117 a year and $1,171 over 10 years at 21.0¢/kWh.

Energy use
557 kWh
per year
Running cost per year
$117
21.0¢/kWh
Running cost over 10 years
$1,171
Efficiency rank
3,738 / 4,667

10 % less energy than the federal minimum standard.

Product details

TypeBottom Freezer
Total volume (cu ft)16.9
Adjusted volume (cu ft)20.1
RefrigerantR-600a
Federal standard (kWh/year)610
ENERGY STAR Most EfficientNo
Available sinceNovember 4, 2022

Compared with the average model (Refrigerators), this one costs about $36 more a year.

More efficient alternatives

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