MicroFridge 3.0MF4R: $67 a year to run

This model (Refrigerators) uses 319 kWh of electricity a year, which costs about $67 a year and $670 over 10 years at 21.0¢/kWh.

Energy use
319 kWh
per year
Running cost per year
$67
21.0¢/kWh
Running cost over 10 years
$670
Efficiency rank
1,950 / 4,667

11 % less energy than the federal minimum standard.

Product details

TypeCompact Refrigerator
Total volume (cu ft)3.0
Adjusted volume (cu ft)3.6
Federal standard (kWh/year)357
ENERGY STAR Most EfficientNo
Available sinceAugust 1, 2014

Compared with the average model (Refrigerators), this one saves about $14 a year.

More efficient alternatives

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