WattCost

Data through June 2026

Refrigerators · 18 certified models

MicroFridge

This data covers 18 certified MicroFridge — annual running costs span $36 to $63 at national-average rates (median $48; the whole-category median is $63).

All certified models

MicroFridge, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1MicroFridge 3.1MF7Rmost efficient195$36
2MicroFridge 3.1MF7RSmost efficient195$36
3MicroFridge 3.1MF7RWmost efficient195$36
4MicroFridge 2.3MF4R223$41
5MicroFridge 2.3MF4RS223$41
6MicroFridge 2.3MF4RW223$41
7MicroFridge 10.0LMF4Rmost efficient263$48
8MicroFridge 10.0LMF4RWmost efficient263$48
9MicroFridge 10.0RMF4Rmost efficient263$48
10MicroFridge 10.0RMF4RWmost efficient263$48
11MicroFridge 10.1MF1Rmost efficient297$54
12MicroFridge 3.0MF4R319$59
13MicroFridge 3.0RMF4RHS319$59
14MicroFridge 3.0RMF4RHW319$59
15MicroFridge 4.5MF1R327$60
16MicroFridge 4.8LMF4RHW346$63
17MicroFridge 4.8MF4R346$63
18MicroFridge 4.8RMF4RHW346$63

Other brand facets

Questions, answered with the data

How much does it cost to run MicroFridge refrigerators?
Among 18 certified models in this data, MicroFridge refrigerators cost $36 to $63 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $48.
Do MicroFridge refrigerators cost more or less than the average refrigerator?
The median model here runs $48 a year, 24% less than the $63 median across all certified refrigerators.
What's the cheapest model among MicroFridge refrigerators?
The MicroFridge 3.1MF7R costs about $36 a year at the U.S. average rate (195 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for refrigerators?
The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.

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