Appliances / Refrigerators / Thermador
Thermador T18IW100SP
9.9 cu ft · Cooler refrigerator
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- Price. Check what it costs at the store.
- Plus running cost. Add $354 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 T18IW100SP
The Thermador T18IW100SP is a 9.9 cu ft cooler refrigerator certified by ENERGY STAR. Its official test figure is 162 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $29 a year, or $354 over a typical 12-year life.
That is 31% less energy than the federal maximum for this type of fridge (234 kWh a year), a saving of about $13 a year compared with a model that only just meets the standard.
Among 49 cooler models it ranks #20 for running cost. The cheapest model of this type would save $105 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 Liebherr HW 8000 uses 155 kWh a year and would save about $15 over 12 years.
Listed features: counter depth.
Cost to run where you live
162 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 compact (under 10 cu ft) model ranked.
| Liebherr HW 8000 | 9 cu ft | $28/yr | saves $15 |
| Miele KWT 6722 iS | 9 cu ft | $28/yr | saves $15 |
| Signature Kitchen Suite SKSCW181 series | 9.7 cu ft | $29/yr | saves $4 |
| SKS SKSCW181 series | 9.7 cu ft | $29/yr | saves $4 |
Specs
| Brand | Thermador |
| Model | T18IW100SP |
| Type | Cooler |
| Energy use | 162 kWh / year |
| Federal maximum for this type | 234 kWh / year |
| Size | 9.9 cu ft |
| Width | 18 in |
| Features | Counter depth |
| Height | 84 in |
| Built-in | Yes |
| Compact | No |
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 T18IW100SP cost to run?
About $29 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 162 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 T18IW100SP cost in electricity over its life?
About $354 over 12 years, a typical life for a refrigerator. Add that to the price you pay to get the true cost to own.
Is the Thermador T18IW100SP energy efficient?
Yes. It is ENERGY STAR certified and uses 31% less energy than the federal maximum for its type.
Is there a cheaper fridge to run of the same type and size?
Yes. The Liebherr HW 8000 uses 155 kWh a year, about $15 less in electricity over 12 years.
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