MicroFridge 2.3MF4RW: running cost
The MicroFridge 2.3MF4RW is certified by ENERGY STAR at 223 kWh a year, one of the cheaper models in its category to run among refrigerators currently certified.
That $42 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
How the MicroFridge 2.3MF4RW compares to other refrigerators
Against the category average of 386 kWh/yr, this model uses 42.2% less, ranking 797 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $31/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the MicroFridge 2.3MF4RW on that list: MicroFridge 2.3MF4RS ($42/yr, 223 kWh/yr) runs slightly less, while Insignia NS-CF43TMSS6 ($42/yr, 224 kWh/yr) runs slightly more.
Same brand, different models
Ranked 6 of MicroFridge's 18 certified refrigerators, this sits between the 3.1MF7R ($37/yr, the brand's cheapest) and the 4.8RMF4RHW ($65/yr, its priciest).
MicroFridge 2.3MF4RW over 13 years
NAHB's Study of Life Expectancy of Home Components puts a typical refrigerator's service life at 13 years; run the MicroFridge 2.3MF4RW that long and it costs about $545 in electricity, on top of whatever it cost to buy.
Weighing a replacement
Efficient as certified refrigerators go, $42/year is a reasonable baseline if you're comparing what else is on the market.
Worth comparing a few current certified models before deciding.
If you're keeping it
$42/year to run is the predictable cost of the MicroFridge 2.3MF4RW; a protection plan covers the unpredictable one, a repair bill.
How this was checked
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. At rank 797 of 4,704 for running cost, see the refrigerator category page for the rest of the field, or the guide to how much your state matters.