Sub-Zero DEC2450FI/L

Not ENERGY STAR certified

Upright freezer · 12.4 cu ft

InYour statethis freezer costs

about $8 a month

$92 a year

An estimate at your state's average rate — not a guarantee of your bill.

Estimated yearly cost

$72

a year

The yellow sticker says $72 a year.

You'll pay $21 more.

Sticker uses 14¢ per kWh. The U.S. average is 18.0¢ per kWh.

Energy use

512 kWh a year

vs similar upright freezer

+12%

Cheaper freezers, same size

ENERGY STAR lists 2 other certified models at the same 512 kWh a year, size and type, so everything on this page applies to them too.

Cheaper to run, same size

A year at the U.S. average residential rate.

Compare all 303 freezers 10–15 cu ft

Cost in every state

512 kWh a year × each state's average residential rate (EIA 12-month average through July 2026).

State	Rate	Per year	Per month
Hawaii	43.7¢	$224	about $19 a month
California	33.1¢	$170	about $14 a month
Massachusetts	30.4¢	$156	about $13 a month
Rhode Island	29.4¢	$150	about $13 a month
Maine	29.3¢	$150	about $12 a month
New York	28.4¢	$145	about $12 a month
Connecticut	28.2¢	$144	about $12 a month
Alaska	27.0¢	$138	about $12 a month
New Hampshire	26.8¢	$137	about $11 a month
District of Columbia	24.2¢	$124	about $10 a month

Show all 52 states

Vermont	23.9¢	$122	about $10 a month
New Jersey	23.6¢	$121	about $10 a month
Maryland	22.3¢	$114	about $10 a month
Michigan	21.0¢	$108	about $9 a month
Pennsylvania	20.8¢	$106	about $9 a month
Illinois	19.0¢	$97	about $8 a month
Wisconsin	18.8¢	$96	about $8 a month
Ohio	18.3¢	$94	about $8 a month
U.S. average	18.0¢	$92	about $8 a month
Delaware	18.0¢	$92	about $8 a month
Indiana	17.1¢	$87	about $7 a month
Virginia	16.6¢	$85	about $7 a month
Colorado	16.6¢	$85	about $7 a month
Alabama	16.5¢	$84	about $7 a month
Minnesota	16.2¢	$83	about $7 a month
Texas	16.0¢	$82	about $7 a month
South Carolina	15.7¢	$80	about $7 a month
West Virginia	15.7¢	$80	about $7 a month
Oregon	15.6¢	$80	about $7 a month
Arizona	15.5¢	$79	about $7 a month
Florida	15.4¢	$79	about $7 a month
New Mexico	15.2¢	$78	about $7 a month
Kansas	15.1¢	$77	about $6 a month
Georgia	15.1¢	$77	about $6 a month
Mississippi	14.9¢	$76	about $6 a month
North Carolina	14.9¢	$76	about $6 a month
South Dakota	14.3¢	$73	about $6 a month
Washington	14.2¢	$72	about $6 a month
Wyoming	14.2¢	$72	about $6 a month
Iowa	14.1¢	$72	about $6 a month
Kentucky	14.0¢	$72	about $6 a month
Montana	13.9¢	$71	about $6 a month
Missouri	13.9¢	$71	about $6 a month
Tennessee	13.7¢	$70	about $6 a month
Oklahoma	13.6¢	$70	about $6 a month
Nevada	13.6¢	$69	about $6 a month
Arkansas	13.5¢	$69	about $6 a month
Utah	13.3¢	$68	about $6 a month
Louisiana	13.1¢	$67	about $6 a month
Nebraska	12.9¢	$66	about $6 a month
Idaho	12.7¢	$65	about $5 a month
North Dakota	12.5¢	$64	about $5 a month

What the Sub-Zero DEC2450FI/L costs where electricity is expensive

At Hawaii's average residential rate of 43.7¢ per kWh, the Sub-Zero DEC2450FI/L costs $224 a year — $152 more a year than the label says. The EnergyGuide label estimates $72 a year, because every label in the country is calculated at 14¢ per kWh. At the U.S. average of 18.0¢ per kWh this freezer costs $92 a year, and in North Dakota, the cheapest state, $64 a year.

Estimated annual running cost for the Sub-Zero DEC2450FI/L in the highest-rate states and the lowest-rate state
Where	Rate	Cost a year	vs the label
Hawaii	43.7¢ per kWh	$224	+$152
California	33.1¢ per kWh	$170	+$98
Massachusetts	30.4¢ per kWh	$156	+$84
Rhode Island	29.4¢ per kWh	$150	+$79
Maine	29.3¢ per kWh	$150	+$78
North Dakota	12.5¢ per kWh	$64	−$8

Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh. Label figure calculated at 14¢ per kWh, the rate the FTC requires on labels.

Full specs

At the U.S. average residential rate this one costs $92 a year — about 12% more expensive to run than the average upright freezer ($83 a year across 621 certified models).

$92

Most efficient $40Average $83Least efficient $133

Every model on this scale is ENERGY STAR certified. Range across 621 upright freezers, priced a year at the U.S. average residential rate.

Brand: Sub-Zero
Model number: DEC2450FI/L
Type: Upright freezer
Capacity: 12.4 cu ft
Annual energy use: 512 kWh a year
ENERGY STAR Most Efficient: No
Product class: (9I-BI.) Built-in upright freezers with automatic defrost with an automatic icemaker
Adjusted volume (cu ft): 21.8
EnergyGuide label: https://haven.subzero.com/AssetLink/14y16rae206068e8juoxqckfvt112851.pdf

Where to buy

We do not sell appliances. These open a search on the retailer's own site.

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Common questions

+How much does the Sub-Zero DEC2450FI/L cost to run per month?

about $8 a month at the U.S. average residential rate of 18.0¢ per kWh, or $92 a year. Your cost depends on your state's rate — see the table above.

+How many kWh does the Sub-Zero DEC2450FI/L use?

512 kWh a year, as the manufacturer filed it with the U.S. Department of Energy, in its compliance certification database.

+Is the Sub-Zero DEC2450FI/L energy efficient?

It is not ENERGY STAR certified — it is filed with the U.S. Department of Energy, which every model on sale must be. It uses about 12% more electricity than the average upright freezer (average: 457 kWh a year).

+How does the Sub-Zero DEC2450FI/L compare to the average freezer?

The average upright freezer in our database uses 457 kWh a year, costing $83 a year at the U.S. average residential rate. The Sub-Zero DEC2450FI/L uses 512 kWh a year, costing $92 a year.

How we calculate this

Annual energy use (512 kWh a year) is the figure the manufacturer filed for this model with the U.S. Department of Energy, in the compliance certification database. Running cost is that figure multiplied by a state's average residential electricity price from the U.S. Energy Information Administration (12-month average through July 2026, average revenue per kWh).

Sources: U.S. DOE compliance certification data, updated fortnightly · U.S. EIA electricity prices, 12-month average through July 2026.