Model
Thor Kitchen RF3017FFD99
Rank #755 means 754 of the 1,000 refrigerator models we track cost less to run each year; the 52nd efficiency percentile means it uses less energy for its size than 52% of those models.
What does the Thor Kitchen RF3017FFD99 cost to run per year?
The Thor Kitchen RF3017FFD99 is a relatively costly runner for its class: about $95 a year, rank #755 of 1,000. It uses 15% less energy than the U.S. federal standard model in its class, which would cost about $110/yr to run, a saving of roughly $15 a year. Once capacity is factored in, its efficiency percentile of 52 is fairly typical for the class, neither a standout nor a laggard. At 17.5 cu ft, it is a mid-size refrigerator for the class, which runs 1.2 to 31.7 cu ft; size and efficiency are the two levers behind the figure above, and this dataset does not carry a separate efficiency-factor column for this class.
Immediately around it on the leaderboard, the Koolmore KM-RERFDSSI-20 at $95/yr runs a little cheaper and the Verona VEFFD3018RISL at $95/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 Thor Kitchen RF3017FFD99's $95/yr adds up to roughly $1140 in electricity alone, before purchase price or repairs.
Also sold as: Cosmo COS-RFFV183GHS.
By the numbers
The Thor Kitchen RF3017FFD99 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 $95/yr, here is what the Thor Kitchen RF3017FFD99 adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Thor Kitchen RF3017FFD99 costs about $950. That is roughly $150 less than a standard model in its class, which would run closer to $1100 over the same ten years.
How the Thor Kitchen RF3017FFD99 compares
The refrigerator class we track runs from $8 to $149 a year. At $95/yr, it runs about $31 a year above the class median of $64, and it is about $87 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 Thor Kitchen RF3017FFD99 uses 15% less energy.
What drives its running cost
At 17.5 cu ft, the Thor Kitchen RF3017FFD99 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, putting it squarely in the middle of the class on the size lever that drives most of the cost.
- Interior volume. Cubic feet of interior volume is the first thing that scales a fridge's running cost up or down, before compressor quality even enters the picture.
- Counter depth vs standard depth. Counter-depth models sit flush with cabinets but usually hold less interior volume than a standard-depth model of the same width, which can nudge the per-cubic-foot running cost either way.
- Compressor technology. Newer variable-speed (inverter) compressors modulate output instead of cycling fully on and off, which tends to use less energy for the same cooling job than an older fixed-speed compressor.
- Placement and ventilation. A fridge pushed tight against a wall or cabinet, or standing next to an oven or in direct sun, works harder to shed the heat its compressor produces, which can push real-world cost above the published figure.
Common questions
Is the Thor Kitchen RF3017FFD99 cheap to run?
Not especially. At $95 a year it ranks #755 of 1,000 refrigerator models we track, in the pricier part of its class to run, though its size and features may still justify that for your needs.
How much does the Thor Kitchen RF3017FFD99 cost per month?
Roughly $7.92/mo, spreading the $95/yr estimate evenly across twelve months at $0.1856/kWh. Actual monthly bills swing with your rate and usage pattern.
How is this running-cost figure calculated?
We take the model's published annual energy use of 512 kWh from ENERGY STAR and multiply it by the US average residential electricity rate of $0.1856/kWh, giving about $95 a year. It is an electricity-only estimate and does not include purchase price, water, or installation.
How efficient is the Thor Kitchen RF3017FFD99 for its size?
52nd 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 |
|---|---|---|
| 757 | Koolmore KM-RERFDSSI-2020.3 cu ft | $95 |
| 756 | Forno FFFFD1974-31BLK17.5 cu ft | $95 |
| 755 | Cosmo COS-RFFV183GHS17.5 cu ft | $95 |
| 754 | Liebherr MCB 306114.5 cu ft | $95 |
| 753 | Miele KFN 9855 iDE li14.1 cu ft | $94 |
Source
ES_1140355_RF3017FFD99_062620240609155_5174161View certified refrigerator listingsENERGY STAR data as of July 2026Thor Kitchen and RF3017FFD99 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.