WattCost

Data through April 2026

Refrigerators · 116 certified models

Side-by-Side Refrigerators

This configuration accounts for 116 of the 4,229 certified refrigerators in this data. At national-average electricity rates they cost $79–$152 a year — median $121 against a category-wide median of $65.

The 50 most efficient (of 116)

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Questions, answered with the data

How much does it cost to run side-by-side refrigerators?
Among 116 certified models in this data, side-by-side refrigerators cost $79 to $152 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $121.
Do side-by-side refrigerators cost more or less than the average refrigerator?
The median model here runs $121 a year, 87% more than the $65 median across all certified refrigerators.
What's the cheapest model among side-by-side refrigerators?
The Avanti AFS157LSS costs about $79 a year at the U.S. average rate (420 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for refrigerators?
The certified annual kWh comes from the DOE test procedure, which measures continuous 24/7 operation at standardized temperatures — refrigerators never get a day off.

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