MicroFridge 3.0RMF4RHW: running cost
ENERGY STAR certifies the MicroFridge 3.0RMF4RHW at 319 kWh/yr, cheaper than most models in its category to run for its category.
That $60 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.
Efficient, or not, for a refrigerator
Against the category average of 386 kWh/yr, this model uses 17.4% less, ranking 1,933 of 4,704 refrigerators tracked here for running cost. That average is drawn from all 4,704 refrigerators ENERGY STAR currently certifies, not an outside number, a $13/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the MicroFridge 3.0RMF4RHW: MicroFridge 3.0RMF4RHS ($60/yr, 319 kWh/yr), then Amana AMA31**E ($60/yr, 320 kWh/yr).
Within the MicroFridge lineup
Ranked 14 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 3.0RMF4RHW over 13 years
Over the 13-year service life NAHB reports for this category, running the MicroFridge 3.0RMF4RHW costs roughly $780 in electricity, separate from the purchase price.
Is it worth replacing?
Efficient as certified refrigerators go, $60/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
A refrigerator like the MicroFridge 3.0RMF4RHW is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Where this number comes from
Two sourced numbers, nothing modeled: ENERGY STAR's certified kWh/yr for this exact model, and EIA's published state electricity rate. The full Refrigerator category page shows all 4,704 refrigerators ranked by cost; the state-rate guide covers the half of this number that isn't the appliance.