Every ENERGY STAR certified Serv-Ware commercial refrigerators and freezer in the EPA data, with yearly running cost.
Source: EPA ENERGY STAR Certified Commercial Refrigerators and Freezers dataset, data.energystar.gov. Refreshed Oct 24, 2026.
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| Rank | Model | Energy | Cost |
|---|---|---|---|
| #83 of 125, under 20 cu ft | Serv-Ware RF1-HC | 1442 kWh | $209 at 14.47¢/kWh commercial/yr |
| #43 of 83, 30–50 cu ft | Serv-Ware RF2-HC | 2738 kWh | $396 at 14.47¢/kWh commercial/yr |
| #387 of 404, under 20 cu ft | Serv-Ware GR23-HC | 712 kWh | $103 at 14.47¢/kWh commercial/yr |
| #162 of 196, 30–50 cu ft | Serv-Ware GR48-HC | 1259 kWh | $182 at 14.47¢/kWh commercial/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.