Model
Whirlpool WRMF3336SV
Rank #919 means 918 of the 1,000 refrigerator models we track cost less to run each year; the 85th efficiency percentile means it uses less energy for its size than 85% of those models.
What does the Whirlpool WRMF3336SV cost to run per year?
The Whirlpool WRMF3336SV costs about $123 a year to run, well up the cost table for its class at rank #919 of 1,000. It uses 10% less energy than the U.S. federal standard model in its class, which would cost about $135/yr to run, a saving of roughly $12 a year. Few refrigerator models we track beat it on size-adjusted efficiency; it edges out 85% of the class once capacity is normalized. This class has no published efficiency-factor figure beyond annual kWh itself, so at 29.8 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 FFHD2250T* at $122/yr runs a little cheaper and the Midea MRF27I6*** at $123/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 Whirlpool WRMF3336SV's $123/yr adds up to roughly $1476 in electricity alone, before purchase price or repairs.
By the numbers
The Whirlpool WRMF3336SV 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 $123/yr, here is what the Whirlpool WRMF3336SV adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Whirlpool WRMF3336SV costs about $1230. That is roughly $120 less than a standard model in its class, which would run closer to $1350 over the same ten years.
How the Whirlpool WRMF3336SV compares
The refrigerator class we track runs from $8 to $149 a year. At $123/yr, it runs about $59 a year above the class median of $64, and it is about $115 a year more than the cheapest refrigerator to run at $8. Against the US federal standard model for its class at about $135/yr, the Whirlpool WRMF3336SV uses 10% less energy.
What drives its running cost
At 29.8 cu ft, the Whirlpool WRMF3336SV 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 Whirlpool WRMF3336SV cheap to run?
Its $123/yr running cost, rank #919 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 Whirlpool WRMF3336SV cost per month?
About $10.22 a month, which is the $123 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: 661 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $123 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Whirlpool WRMF3336SV for its size?
85th 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
Source
ES_22856_WRMF3336SV_052120250222416_4006626View certified refrigerator listingsENERGY STAR data as of July 2026Whirlpool and WRMF3336SV 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.