Model
Samsung RF25C5551**
Rank #902 means 901 of the 1,000 refrigerator models we track cost less to run each year; the 67th efficiency percentile means it uses less energy for its size than 67% of those models.
What does the Samsung RF25C5551** cost to run per year?
Among the 1,000 refrigerator models we track, the Samsung RF25C5551**'s $119/yr running cost ranks it #902, in the pricier fifth of the class. It uses 5% less energy than the U.S. federal standard model in its class, which would cost about $125/yr to run, a saving of roughly $6 a year. Efficiency-wise, once size is accounted for, it edges out 67% of the class, a modestly above-average showing. This class has no published efficiency-factor figure beyond annual kWh itself, so at 24.5 cu ft (the class spans 1.2 to 31.7), size is the clearest lever we can point to for this model's running cost.
Immediately around it on the leaderboard, the Frigidaire FGHN2868T* at $119/yr runs a little cheaper and the Lg LRSOC2306* at $120/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A refrigerator typically stays in service for somewhere around 12 years; over that span, the Samsung RF25C5551**'s $119/yr adds up to roughly $1428 in electricity alone, before purchase price or repairs.
By the numbers
The Samsung RF25C5551** normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $119/yr, here is what the Samsung RF25C5551** adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Samsung RF25C5551** costs about $1190. That is roughly $60 less than a standard model in its class, which would run closer to $1250 over the same ten years.
How the Samsung RF25C5551** compares
The refrigerator class we track runs from $8 to $149 a year. At $119/yr, it runs about $55 a year above the class median of $64, and it is about $111 a year more than the cheapest refrigerator to run at $8. Against the US federal standard model for its class at about $125/yr, the Samsung RF25C5551** uses 5% less energy.
What drives its running cost
At 24.5 cu ft, the Samsung RF25C5551** is a large refrigerator for its class, which spans 1.2 to 31.7 cu ft with a median of 12.6 cu ft, among refrigerator models, bigger capacity is the most common reason a running-cost figure lands on the high side, all else being equal.
- Interior volume. More cubic feet of cold air to maintain generally means a bigger compressor and a higher running-cost figure, even among efficient models.
- Counter depth vs standard depth. Standard-depth models generally offer more interior volume per unit of width than counter-depth models, a tradeoff between built-in looks and cubic feet.
- Compressor technology. How a compressor cycles, full on/off versus a variable-speed inverter design, is one of the biggest hidden differences behind two fridges with similar cubic feet but different running costs.
- Placement and ventilation. Ventilation clearance around the back and top matters more than most owners expect; a fridge starved of airflow runs its compressor longer to hold the same temperature.
Common questions
Is the Samsung RF25C5551** cheap to run?
Its $119/yr running cost, rank #902 of 1,000, is above what most refrigerator models we track cost to run, so this is not one of the cheaper picks on electricity alone.
How much does the Samsung RF25C5551** cost per month?
About $9.95 a month, which is the $119 annual estimate spread across twelve months at the US average rate of $0.1856/kWh. Your own bill scales with your local electricity rate and how heavily you use it.
How is this running-cost figure calculated?
The formula is annual kWh times price per kWh: 643 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $119 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Samsung RF25C5551** for its size?
67th percentile once size is factored in. That means its size-adjusted efficiency is a real factor in the running-cost figure above; its capacity plays a large role too.
Cheaper to run in the same class
| Rank | Model | Cost/yr |
|---|---|---|
| 901 | Frigidaire FGHN2868T*27.6 cu ft | $119 |
| 900 | Whirlpool WRS335FDD***24.5 cu ft | $119 |
| 899 | Ikea IRS335SDH*0*24.5 cu ft | $119 |
| 898 | Samsung RF70H25KE*24.5 cu ft | $118 |
| 897 | Samsung RF23DB9700**22.8 cu ft | $118 |
Source
ES_1023593_RF25C5551**_11182022095634_80143161View certified refrigerator listingsENERGY STAR data as of July 2026Samsung and RF25C5551** are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.