Model
Fisher & Paykel RF178ANJX1
Rank #767 means 766 of the 1,000 refrigerator models we track cost less to run each year; the 51st efficiency percentile means it uses less energy for its size than 51% of those models.
What does the Fisher & Paykel RF178ANJX1 cost to run per year?
The Fisher & Paykel RF178ANJX1 costs about $98 a year to run, more than most of the 1,000 refrigerator models we track; it ranks #767. It uses 13% less energy than the U.S. federal standard model in its class, which would cost about $110/yr to run, a saving of roughly $12 a year. Efficiency-wise, once size is accounted for, it sits right around the class median, ahead of 51% of the models we track. Counter-depth construction, which this model has, generally means a shallower cabinet and less interior volume than a standard-depth model the same width, a tradeoff worth knowing if you are comparing it on cubic feet.
Immediately around it on the leaderboard, the Ge GNE25DYR**** at $97/yr runs a little cheaper and the Liebherr HC 1580G at $98/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 Fisher & Paykel RF178ANJX1's $98/yr adds up to roughly $1176 in electricity alone, before purchase price or repairs.
By the numbers
The Fisher & Paykel RF178ANJX1 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 $98/yr, here is what the Fisher & Paykel RF178ANJX1 adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Fisher & Paykel RF178ANJX1 costs about $980. That is roughly $120 less than a standard model in its class, which would run closer to $1100 over the same ten years.
How the Fisher & Paykel RF178ANJX1 compares
The refrigerator class we track runs from $8 to $149 a year. At $98/yr, it runs about $34 a year above the class median of $64, and it is about $90 a year more than the cheapest refrigerator to run at $8. Against the US federal standard model for its class at about $110/yr, the Fisher & Paykel RF178ANJX1 uses 13% less energy.
What drives its running cost
At 18 cu ft, the Fisher & Paykel RF178ANJX1 is a mid-size refrigerator for its class, which spans 1.2 to 31.7 cu ft with a median of 12.6 cu ft, neither the size advantage of a small unit nor the size penalty of a large one applies here, so its running cost is a fairer test of efficiency alone.
- 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.
- 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.
- 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 Fisher & Paykel RF178ANJX1 cheap to run?
Its $98/yr running cost, rank #767 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 Fisher & Paykel RF178ANJX1 cost per month?
About $8.18 a month, which is the $98 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: 529 kWh from ENERGY STAR times the US average of $0.1856/kWh comes to about $98 a year. It covers electricity only, not the purchase price, water, or installation.
How efficient is the Fisher & Paykel RF178ANJX1 for its size?
51st 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 |
|---|---|---|
| 766 | Ge GNE25DYR****24.7 cu ft | $97 |
| 765 | Midea MRU21C7***20 cu ft | $97 |
| 764 | Vitara VBFR1800EWE18 cu ft | $96 |
| 763 | Vitara VBFR1800ESE18 cu ft | $96 |
| 762 | Lg LS23C4000*23.1 cu ft | $96 |
Source
ES_0031708_RF178ANJX1_12082025113439_80280482View certified refrigerator listingsENERGY STAR data as of July 2026Fisher & Paykel and RF178ANJX1 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.