Sub-Zero DEU2450B*/ADA/*: $45 a year to run

This model (Refrigerators) uses 215 kWh of electricity a year, which costs about $45 a year and $452 over 10 years at 21.0¢/kWh.

Energy use
215 kWh
per year
Running cost per year
$45
21.0¢/kWh
Running cost over 10 years
$452
Efficiency rank
545 / 4,667

30 % less energy than the federal minimum standard.

Product details

TypeCompact Refrigerator
Total volume (cu ft)5.1
Adjusted volume (cu ft)5.1
RefrigerantR-600a
Federal standard (kWh/year)306
ENERGY STAR Most EfficientNo
Available sinceJanuary 2, 2022

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

More efficient alternatives

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