Samsung RT21M623 Running Cost (Refrigerator)
Running cost for the Samsung RT21M623
The Samsung RT21M623 is certified by ENERGY STAR at 394 kWh a year, about average for its category to run among refrigerators currently certified.
That $74 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 Samsung RT21M623 compares to other refrigerators
The category average is 386 kWh/yr; this model runs 2.1% above it, ranking 2,879 of 4,704 refrigerators tracked here for running cost. 4,704 certified refrigerators, one average, about $2/year of daylight between it and this model; the full methodology has the rest.
Neighbouring models
Right next to the Samsung RT21M623 on that list: Mora RT210N3AEM ($74/yr, 394 kWh/yr) runs slightly less, while TRUARCTIC TRTM2130SV ($74/yr, 394 kWh/yr) runs slightly more.
Same brand, different models
Ranked 9 of Samsung's 101 certified refrigerators, this sits between the RT18DG6300 ($63/yr, the brand's cheapest) and the RF32CG5B30 ($148/yr, its priciest).
Cost over its typical lifespan
Over the 13-year service life NAHB reports for this category, running the Samsung RT21M623 costs roughly $963 in electricity, separate from the purchase price.
Weighing a replacement
Efficient as certified refrigerators go, $74/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 Samsung RT21M623 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.
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. 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.