Sub-Zero DEC1850FI/*: $96 a year to run

This model (Refrigerators) uses 455 kWh of electricity a year, which costs about $96 a year and $956 over 10 years at 21.0¢/kWh.

Energy use
455 kWh
per year
Running cost per year
$96
21.0¢/kWh
Running cost over 10 years
$956
Efficiency rank
3,242 / 4,667

8 % less energy than the federal minimum standard.

Product details

TypeUpright Freezer
Total volume (cu ft)8.8
Adjusted volume (cu ft)15.4
RefrigerantR-600a
Federal standard (kWh/year)497
ENERGY STAR Most EfficientNo
Available sinceJuly 1, 2024

Compared with the average model (Refrigerators), this one costs about $15 more a year.

More efficient alternatives

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