What a Refrigerator Costs to Run in a Year, and How to Work It Out

A refrigerator is the only appliance in a house that never stops. It has no cycle to schedule and no eco mode worth arguing about, so its annual consumption is close to a fixed cost of owning the kitchen. That also makes it the one appliance where a published energy figure is genuinely useful, if you know how to convert it into money and how much of it to believe.

The one number that matters, and where to find it

United States refrigerators are tested under a Department of Energy procedure and carry an EnergyGuide label giving estimated annual consumption in kilowatt hours per year. That figure is what a comparison should be built on. It is not a promise about your kitchen, it is a standardized result that lets two machines be compared on the same basis, in the same way a fuel economy rating does for cars.

Turning it into a yearly cost is one multiplication. Take the kilowatt hours per year and multiply by your electricity rate in dollars per kilowatt hour, which is printed on your bill. The examples below use a round 16 cents per kilowatt hour purely so the arithmetic is legible. It is an illustration, not a measurement, and not a prediction for any particular household.

What this catalog actually states

Two refrigerators here publish an annual energy figure. The rest state capacity and, in most cases, an Energy Star certification, and stop there.

ModelStated capacityStated annual energyIllustrative cost at 16 cents per kWh
LG LMXS28626S27.8 cu ft724 kWh per year724 x 0.16 = about 116 dollars
Frigidaire GRSS2652AF25.6 cu ft647 kWh per year647 x 0.16 = about 104 dollars
GE Profile PVD28BYNFS27.9 cu ftNot stated, Energy Star certifiedCannot be calculated from the listing
GE GNE27JYMFS18.81 cu ft fresh food, 8.18 cu ft freezerNot stated, Energy Star certifiedCannot be calculated from the listing
GE GLE12HSPSS11.9 cu ftNot stated, Energy Star certifiedCannot be calculated from the listing

The 77 kilowatt hour gap between the two machines that do publish a figure works out at roughly 12 dollars a year at the illustrative rate. Over a fifteen year life that is a real amount of money, and it is also small enough that it should not be the deciding factor between two refrigerators you otherwise rate differently. Anyone weighing the LG LMXS28626S with its 724 kilowatt hour rating against the Frigidaire GRSS2652AF at 647 kilowatt hours should also note that they are different capacities and different configurations, so the comparison is not like for like.

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Energy Star certification is a threshold, not a score

An Energy Star mark means the model came in under a consumption threshold for its size class and configuration. It does not tell you by how much, and it does not let you rank two certified models against each other. Most of the refrigerators in this catalog carry the certification and no number, including the GE Profile PVD28BYNFS, the GE GNE27JYMFS, the GE GFE28GYNFS and the GE GSS25IYNFS. Knowing all four cleared the same bar is useful. It is not the same as knowing what any of them costs to run.

The certification field itself is recorded inconsistently across these listings. On some it reads “Energy Star”, on others “energy star certified”, on one it reads “energy,energy star,energy star certified” as a single string. That is import data untidiness rather than a difference in what the machines achieved.

What actually moves your bill away from the label

The test procedure runs in a controlled ambient temperature with the doors closed. Your kitchen does neither. The variables that matter, roughly in order:

  • Ambient temperature. The compressor rejects heat into the room, so a hot kitchen or a garage in summer makes the machine work harder for the same interior temperature. This is the largest single deviation from the label for most households.
  • Airflow around the machine. Condenser coils need air. A unit crammed into a tight cabinet with no clearance recirculates its own warm exhaust.
  • Door openings. Each opening dumps cold air out and pulls humid room air in, which then has to be cooled and eventually defrosted off the evaporator.
  • The temperature you set. Running the fresh food compartment several degrees colder than necessary costs energy continuously for no benefit.
  • Ice and water through the door. A dispenser is a hole in the insulation with a mechanism in it, plus a heater on some designs to prevent sticking. Models such as the GE GYE18JYLFS and the LG above list dispensing features, and the convenience has a standing energy cost.
  • Coil dust and door seals. Both degrade slowly enough that nobody notices, and both are cheap to fix.
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Size is the lever, not efficiency class

Within a configuration, consumption tracks volume fairly closely, because there is more surface area to leak heat through and more air to keep cold. A large four door machine and a compact bottom freezer are not in the same conversation regardless of what certifications either carries.

That matters when a second refrigerator is on the table. A compact unit such as the GE GLE12HSPSS at 11.9 cubic feet or the GE GZS22IYNFS at 14.23 cubic feet adds far less to a bill than a full size machine, but adding any second refrigerator adds consumption that was not there before. An old unit kept running in a garage for drinks is frequently the largest single energy line in a house, because it combines poor original efficiency with the worst possible ambient temperature. Replacing it with a purpose built cooler, or simply retiring it, tends to beat any upgrade to the main kitchen unit.

Dedicated beverage units are a related case. The Zephyr PRB24C01CPG is a 24 inch panel ready cooler, and its listing records a capacity of “12 ounces”, which is a container size rather than a cabinet volume and clearly an error in the source data. Do not use that field to size anything. The wider set of beverage refrigerators here is small, and none of them publishes an annual consumption figure at all.

Working out your own number

If you want the real figure for a refrigerator you already own, a plug in energy monitor left in place for a week is the honest answer. Read the cumulative kilowatt hours, divide by the number of days, multiply by 365. A week is long enough to average out defrost cycles and a normal pattern of door openings, which a single day is not.

For a purchase decision, use the EnergyGuide figure, convert it with your own rate, and then judge whether the difference between candidates is large enough to override capacity, configuration and how long you expect to keep the machine. Across the refrigerators in this catalog, the honest answer is that the published data is too patchy to rank them on running cost, and the label on the showroom floor will tell you more than any listing field here does. Compare the numbers that are on the sticker, not the ones that made it into a product page.

Callum Reyes
Callum Reyes