Appliances / Freezers / Thermador

Illustration. Product photo coming soon.
Upright FreezerENERGY STAR certified

Thermador T36IF905SP

19.4 cu ft · Upright Freezer freezer

Electricity, 12 years
$1,153
Per year
$96

Check the price at the store, then add $1,153 of electricity to get the true cost. We may earn a commission if you buy through these links.

  1. Price. Check what it costs at the store.
  2. Plus running cost. Add $1,153 of electricity over 12 years. That is the part the price tag hides.
  3. Compare. Pick your state below, then check the cheaper-to-run models of the same size.
Per year (U.S. avg)
$96
Over 12 years
$1,153
Saves vs the federal maximum
$28/yr
Rank for running cost
#369 of 416

About the Thermador T36IF905SP

The Thermador T36IF905SP is a 19.4 cu ft upright freezer freezer certified by ENERGY STAR. Its official test figure is 528 kWh of electricity a year, which at the U.S. average price of 18.19¢ per kWh comes to $96 a year, or $1,153 over a typical 12-year life.

That is 23% less energy than the federal maximum for this type of freezer (682 kWh a year), a saving of about $28 a year compared with a model that only just meets the standard.

Among 416 upright freezer models it ranks #369 for running cost. The cheapest model of this type would save $613 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 Fisher & Paykel RS30F*E* family uses 423 kWh a year and would save about $229 over 12 years.

Listed features: auto defrost.

Cost to run where you live

Electricity per year
$96
Electricity over 12 years
$1,153
Add the price you pay
+ $1,153

528 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 large (15 cu ft and up) model ranked.

Fisher & Paykel RS30F*E* family16.7 cu ft$77/yrsaves $229
Frigidaire FFUE2024A series20 cu ft$77/yrsaves $227
Danby DUF167A5BSLDD16.7 cu ft$79/yrsaves $210
Danby DUF167A5WDD16.7 cu ft$79/yrsaves $210

Specs

BrandThermador
ModelT36IF905SP
TypeUpright Freezer
Energy use528 kWh / year
Federal maximum for this type682 kWh / year
Size19.4 cu ft
FeaturesAuto defrost
DefrostAutomatic
Built-inYes

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 T36IF905SP cost to run?

About $96 a year at the U.S. average electricity price (18.19¢/kWh), based on its ENERGY STAR rating of 528 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 T36IF905SP cost in electricity over its life?

About $1,153 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 T36IF905SP energy efficient?

Yes. It is ENERGY STAR certified and uses 23% less energy than the federal maximum for its type.

Is there a cheaper freezer to run of the same type and size?

Yes. The Fisher & Paykel RS30F*E* family uses 423 kWh a year, about $229 less in electricity over 12 years.

Want the cheapest picks every week?

Join the free Leak Club. One short email with the lowest-cost picks we found.

Join the Leak Club