Appliances / Freezers / Thermador
Thermador T18IF900SP
8.6 cu ft · Upright Freezer freezer
Check the price at the store, then add $912 of electricity to get the true cost. We may earn a commission if you buy through these links.
- Price. Check what it costs at the store.
- Plus running cost. Add $912 of electricity over 12 years. That is the part the price tag hides.
- Compare. Pick your state below, then check the cheaper-to-run models of the same size.
About the Thermador T18IF900SP
The Thermador T18IF900SP is a 8.6 cu ft upright freezer freezer certified by ENERGY STAR. Its official test figure is 418 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $76 a year, or $912 over a typical 12-year life.
That is 15% less energy than the federal maximum for this type of freezer (494 kWh a year), a saving of about $14 a year compared with a model that only just meets the standard.
Among 416 upright freezer models it ranks #138 for running cost. The cheapest model of this type would save $373 in electricity over 12 years, though it may differ in size and features.
If you want the same type and a similar size for less to run, the Danby Designer DUFM085A4TDD uses 247 kWh a year and would save about $373 over 12 years.
Listed features: auto defrost.
Cost to run where you live
418 kWh a year (ENERGY STAR test figure) × 18.19¢ per kWh, the average residential price in the U.S. for Jan–Aug 2026 (EIA). Your bill depends on your utility and how you use it.
Cheaper to run, same type and size
Or see every medium (7 to 15 cu ft) model ranked.
| Danby Designer DUFM085A4TDD | 8.5 cu ft | $45/yr | saves $373 |
| Danby Designer DUFM085A4 series | 8.5 cu ft | $45/yr | saves $373 |
| Danby Premiere DUFM085A3 series | 8.5 cu ft | $45/yr | saves $373 |
| Arctic King AU83ETWBR1RCM | 8.3 cu ft | $58/yr | saves $220 |
Specs
| Brand | Thermador |
| Model | T18IF900SP |
| Type | Upright Freezer |
| Energy use | 418 kWh / year |
| Federal maximum for this type | 494 kWh / year |
| Size | 8.6 cu ft |
| Features | Auto defrost |
| Defrost | Automatic |
| Built-in | Yes |
Specs and energy use from the ENERGY STAR certified products list (U.S. EPA). An asterisk in a model number stands for colour or finish codes. HouseholdLeak is not affiliated with ENERGY STAR or the EPA.
Questions people ask
How much does the Thermador T18IF900SP cost to run?
About $76 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 418 kWh a year. In a state with expensive power it can be much more; pick your state on this page to see your number.
How much will the Thermador T18IF900SP cost in electricity over its life?
About $912 over 12 years, a typical life for a freezer. Add that to the price you pay to get the true cost to own.
Is the Thermador T18IF900SP energy efficient?
Yes. It is ENERGY STAR certified and uses 15% less energy than the federal maximum for its type.
Is there a cheaper freezer to run of the same type and size?
Yes. The Danby Designer DUFM085A4TDD uses 247 kWh a year, about $373 less in electricity over 12 years.
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