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Sub-Zero DEC1850FI/*

8.8 cu ft upright freezer. Uses 8% less energy than the federal limit for its class. #4 of 4 upright freezers, by yearly cost.

Source: EPA ENERGY STAR Certified Residential Refrigerators dataset, data.energystar.gov. Refreshed Oct 24, 2026.

$83 at 18.16¢/kWhper year
$826 at 18.16¢/kWhover 10 years

Recall check

CPSC recalls that mention Sub-Zero refrigerators, fridges and freezers (checked Oct 24, 2026). Check whether your model number is listed in the notice:

• Sub-Zero Will Inspect Refrigerators That Can Tip Over (1994-09-19)

Rebates

Rebates change by ZIP code and store. Check rebates near you.

Your electric rate18.16¢per kWh. Find it on your bill. Default is the U.S. average.

Yearly cost, side by side

This model$83 at 18.16¢/kWh
Federal max for this class$90 at 18.16¢/kWh
Thirstiest certified upright freezers$83 at 18.16¢/kWh

Fewer than 5 similar-size models, so we do not show a typical comparison.

Good to know
Fridges run all day, so the EPA test figure is close to real use. A warm kitchen, frequent door opening and an ice maker can push it higher.

Also sold as

The EPA record lists no additional model numbers.

An asterisk in the model number stands for color or trim codes, so those finishes share these figures.

Certification history

ENERGY STAR certified 2024-05-30. On the market since 2024-07-01. EPA record 3531235.

Energy and specs

TypeUpright Freezer
Product class9I-BI - Built-In upright freezers with automatic defrost with an automatic icemaker
Total capacity8.8 cu ft
Adjusted volume15.4 cu ft
Height × width84 × 18 in
Counter depthYes
CompactNo
Built-inYes
Ice makerNo
Through-door dispenserYes
DefrostAutomatic
Connected (smart)No
RefrigerantR-600a (GWP:3 | Lower GWP)
Annual energy use455 kWh
Federal max for its class497 kWh
MarketsUnited States, Canada

Source: EPA ENERGY STAR Certified Residential Refrigerators, record 3531235. Most Efficient reflects the EPA field "meets most efficient criteria".

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