Thermador T18IF900SP Running Cost (Freezer)
What the Thermador T18IF900SP costs to run
ENERGY STAR certifies the Thermador T18IF900SP at 418 kWh/yr, about average for its category to run for its category.
That $79 is priced at 18.8¢/kWh, the average of all 51 state rates this site tracks. Your own state's rate is one click away.
Efficient, or not, for a freezer
The category average is 401 kWh/yr; this model runs 4.2% above it, ranking 339 of 658 freezers tracked here for running cost. That average is drawn from all 658 freezers ENERGY STAR currently certifies, not an outside number, a $3/year gap from this model at the national rate. Full sourcing is in the sourcing notes.
Right next to it on the list
A rank or two either side of the Thermador T18IF900SP: Miele F 2411 Vi ($79/yr, 418 kWh/yr), then Thermador T18IF901SP ($79/yr, 418 kWh/yr).
Within the Thermador lineup
Ranked 2 of Thermador's 15 certified freezers, this sits between the T18IF905SP ($76/yr, the brand's cheapest) and the T36IF900SP ($102/yr, its priciest).
Lifespan
NAHB's Study of Life Expectancy of Home Components does not publish a figure for freezers, so no lifetime cost is shown here rather than a guessed one. The annual and monthly figures above stand on their own.
Weighing a replacement
Efficient as certified freezers go, $79/year is a reasonable baseline if you're comparing what else is on the market.
See what else is certified in this category before you decide.
If you're keeping it
The Thermador T18IF900SP already costs $79/year to run; a repair bill on top of that is the kind of expense a protection plan exists to smooth out.
Where this number comes from
Nothing here is estimated from a nameplate wattage; the 418 kWh/yr is ENERGY STAR's own certified figure for this model. Ranked 339 of 658, the Thermador T18IF900SP sits in the middle of the freezer category, see the guide to why your state changes this number for the other half of the math.