Every ENERGY STAR certified Koolatron fridge in the EPA data, with yearly running cost.
Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.
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| Rank | Model | Energy | Cost |
|---|---|---|---|
| #119 of 259, under 2 cu ft | Koolatron 059586611100 | 208 kWh | $38 at 18.16¢/kWh/yr |
| #25 of 362, 4–5 cu ft | Koolatron KBC-130SS | 226 kWh | $41 at 18.16¢/kWh/yr |
| #41 of 90, 18+ cu ft | Koolatron KTUF600-W-E | 314 kWh | $57 at 18.16¢/kWh/yr |
| #115 of 393, 18+ cu ft | Koolatron KKTMR30X18.1-B | 367 kWh | $67 at 18.16¢/kWh/yr |
| #115 of 393, 18+ cu ft | Koolatron KKTMR30X18.1-SSL | 367 kWh | $67 at 18.16¢/kWh/yr |
| #115 of 393, 18+ cu ft | Koolatron KKTMR30X18.1-W | 367 kWh | $67 at 18.16¢/kWh/yr |
| #115 of 393, 18+ cu ft | Koolatron KTTMR30X18.1-SSL | 367 kWh | $67 at 18.16¢/kWh/yr |
Grouped by type and size band, cheapest to run first. Each rank is by yearly cost within the model's own type and size band.