Hisense RT21N3E Running Cost (Refrigerator)
What the Hisense RT21N3E costs to run
At 394 kWh/yr, the Hisense RT21N3E's ENERGY STAR certification puts it about average for its category to run against every other certified refrigerator.
That $74 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a refrigerator
The category average is 386 kWh/yr; this model runs 2.1% above it, ranking 2,874 of 4,704 refrigerators tracked here for running cost. That average is drawn from all 4,704 refrigerators ENERGY STAR currently certifies, not an outside number, a $2/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Hisense RT21N3E: Hisense RT210N3SEH ($74/yr, 394 kWh/yr), then Jenn-Air JBBFX24NHX ($74/yr, 394 kWh/yr).
Comparing Hisense's own models
Ranked 36 of Hisense's 90 certified refrigerators, this sits between the HWS054N6SS ($30/yr, the brand's cheapest) and the RF303D3FSEI ($140/yr, its priciest).
Cost over its typical lifespan
13 years is NAHB's typical service life for this category; at $74/year, the Hisense RT21N3E adds up to about $963 in electricity over that span.
Is it worth replacing?
Efficient as certified refrigerators go, $74/year is a reasonable baseline if you're comparing what else is on the market.
Compare current ENERGY STAR certified refrigerators before buying.
If you're keeping it
A refrigerator like the Hisense RT21N3E is a real household expense whether or not it needs replacing yet; a protection plan is one way to budget for a repair rather than a full replacement.
Where this number comes from
The full Refrigerator category page shows all 4,704 refrigerators ranked by cost; the state-rate guide covers the half of this number that isn't the appliance. The 394 kWh/yr figure is ENERGY STAR's own certification, not a wattage estimate; exact dataset IDs are on the data sources page.