Samsung RT21M625 Running Cost (Refrigerator)
What the Samsung RT21M625 costs to run
ENERGY STAR certifies the Samsung RT21M625 at 478 kWh/yr, more expensive than most models in its category to run for its category.
That $90 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
The category average is 386 kWh/yr; this model runs 23.8% above it, ranking 3,439 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 $17/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 Samsung RT21M625: Samsung RT21M623 ($90/yr, 478 kWh/yr), then Bertazzoni REF24BMFIXNV ($90/yr, 480 kWh/yr).
Within the Samsung lineup
Ranked 21 of Samsung's 101 certified refrigerators, this sits between the RT18DG6300 ($63/yr, the brand's cheapest) and the RF32CG5B30 ($148/yr, its priciest).
What this adds up to over time
13 years is NAHB's typical service life for this category; at $90/year, the Samsung RT21M625 adds up to about $1,168 in electricity over that span.
Weighing a replacement
At $90/year, this is on the expensive side for a refrigerator; the cheapest certified model in this category runs about $8/year, worth knowing before buying either the Samsung RT21M625 or its replacement.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
At $90/year just to run, a refrigerator is worth protecting against an unplanned repair bill on top of that.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 478 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 3,439 of 4,704, the Samsung RT21M625 sits in the middle of the refrigerator category, see the guide to why your state changes this number for the other half of the math.