18.8 cu ft bottom freezer. Uses 10% less energy than the federal limit for its class. #321 of 432 bottom-freezer fridges 18–22 cu ft, by yearly cost.
Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.
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Thermador fridges: Authorized dealers (Thermador dealer locator)
Confirmed from Thermador's own where-to-buy or retailer pages and retailer brand pages. Checked Oct 24, 2026. Not every seller stocks every model, so check the model number with the seller.
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The EPA record lists no additional model numbers.
ENERGY STAR certified 2024-03-21. On the market since 2024-03-28. EPA record 3423271.
| Type | Bottom Freezer |
| Product class | 5I-BI - Built-In Refrigerator-freezers - automatic defrost with bottom-mounted freezer with an automatic icemaker without through-the-door ice service |
| Total capacity | 18.8 cu ft |
| Adjusted volume | 23.4 cu ft |
| Height × width | 84 × 36 in |
| Counter depth | No |
| Compact | No |
| Built-in | Yes |
| Ice maker | Yes |
| Through-door dispenser | No |
| Defrost | Automatic |
| Connected (smart) | No |
| Refrigerant | R-600a (GWP:3 | Lower GWP) |
| Annual energy use | 584 kWh |
| Federal max for its class | 641 kWh |
| Markets | United States, Canada |
Source: EPA ENERGY STAR Certified Residential Refrigerators, record 3423271. Most Efficient reflects the EPA field "meets most efficient criteria".
Rule: certified bottom-freezer fridges within 2 cu ft of this one (16.8 to 20.8 cu ft), other brands only, lowest energy first.
| Brand | Model | Size | Energy | Cost |
|---|---|---|---|---|
| Liebherr | SC7751 | 16.9 cu ft | 354 kWh | $64 at 18.16¢/kWh/yr |
| Fisher & Paykel | RF178WRNX1 | 18.2 cu ft | 372 kWh | $68 at 18.16¢/kWh/yr |
| Fisher & Paykel | RF178ANX1 | 18.0 cu ft | 412 kWh | $75 at 18.16¢/kWh/yr |
| Summit | FFBF151W | 19.1 cu ft | 429 kWh | $78 at 18.16¢/kWh/yr |
| Summit | FFBF152PL | 19.1 cu ft | 429 kWh | $78 at 18.16¢/kWh/yr |
| Summit | FFBF153B | 19.1 cu ft | 429 kWh | $78 at 18.16¢/kWh/yr |
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