Sub-Zero CL3650R/S/T/L

Not ENERGY STAR certified

Single-door refrigerator, no freezer · 22.8 cu ft

InYour statethis refrigerator costs

about $6 a month

$67 a year

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

Estimated yearly cost

$52

a year

The yellow sticker says $52 a year.

You'll pay $15 more.

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

Energy use

370 kWh a year

vs similar single-door refrigerator, no freezer

+26%

Cheaper refrigerators, same size

ENERGY STAR lists 8 other certified models at the same 370 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 1133 refrigerators 20–25 cu ft

Cost in every state

370 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¢	$162	about $13 a month
California	33.1¢	$123	about $10 a month
Massachusetts	30.4¢	$112	about $9 a month
Rhode Island	29.4¢	$109	about $9 a month
Maine	29.3¢	$108	about $9 a month
New York	28.4¢	$105	about $9 a month
Connecticut	28.2¢	$104	about $9 a month
Alaska	27.0¢	$100	about $8 a month
New Hampshire	26.8¢	$99	about $8 a month
District of Columbia	24.2¢	$90	about $7 a month

Show all 52 states

Vermont	23.9¢	$88	about $7 a month
New Jersey	23.6¢	$87	about $7 a month
Maryland	22.3¢	$83	about $7 a month
Michigan	21.0¢	$78	about $6 a month
Pennsylvania	20.8¢	$77	about $6 a month
Illinois	19.0¢	$70	about $6 a month
Wisconsin	18.8¢	$69	about $6 a month
Ohio	18.3¢	$68	about $6 a month
U.S. average	18.0¢	$67	about $6 a month
Delaware	18.0¢	$66	about $6 a month
Indiana	17.1¢	$63	about $5 a month
Virginia	16.6¢	$61	about $5 a month
Colorado	16.6¢	$61	about $5 a month
Alabama	16.5¢	$61	about $5 a month
Minnesota	16.2¢	$60	about $5 a month
Texas	16.0¢	$59	about $5 a month
South Carolina	15.7¢	$58	about $5 a month
West Virginia	15.7¢	$58	about $5 a month
Oregon	15.6¢	$58	about $5 a month
Arizona	15.5¢	$57	about $5 a month
Florida	15.4¢	$57	about $5 a month
New Mexico	15.2¢	$56	about $5 a month
Kansas	15.1¢	$56	about $5 a month
Georgia	15.1¢	$56	about $5 a month
Mississippi	14.9¢	$55	about $5 a month
North Carolina	14.9¢	$55	about $5 a month
South Dakota	14.3¢	$53	about $4 a month
Washington	14.2¢	$52	about $4 a month
Wyoming	14.2¢	$52	about $4 a month
Iowa	14.1¢	$52	about $4 a month
Kentucky	14.0¢	$52	about $4 a month
Montana	13.9¢	$52	about $4 a month
Missouri	13.9¢	$51	about $4 a month
Tennessee	13.7¢	$51	about $4 a month
Oklahoma	13.6¢	$50	about $4 a month
Nevada	13.6¢	$50	about $4 a month
Arkansas	13.5¢	$50	about $4 a month
Utah	13.3¢	$49	about $4 a month
Louisiana	13.1¢	$48	about $4 a month
Nebraska	12.9¢	$48	about $4 a month
Idaho	12.7¢	$47	about $4 a month
North Dakota	12.5¢	$46	about $4 a month

What the Sub-Zero CL3650R/S/T/L costs where electricity is expensive

At Hawaii's average residential rate of 43.7¢ per kWh, the Sub-Zero CL3650R/S/T/L costs $162 a year — $110 more a year than the label says. The EnergyGuide label estimates $52 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 refrigerator costs $67 a year, and in North Dakota, the cheapest state, $46 a year.

Estimated annual running cost for the Sub-Zero CL3650R/S/T/L in the highest-rate states and the lowest-rate state
Where	Rate	Cost a year	vs the label
Hawaii	43.7¢ per kWh	$162	+$110
California	33.1¢ per kWh	$123	+$71
Massachusetts	30.4¢ per kWh	$112	+$61
Rhode Island	29.4¢ per kWh	$109	+$57
Maine	29.3¢ per kWh	$108	+$57
North Dakota	12.5¢ per kWh	$46	−$5

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 $67 a year — about 26% more expensive to run than the average single-door refrigerator, no freezer ($53 a year across 500 certified models).

$67

Most efficient $22Average $53Least efficient $75

Every model on this scale is ENERGY STAR certified. Range across 500 single-door refrigerator, no freezers, priced a year at the U.S. average residential rate.

Brand: Sub-Zero
Model number: CL3650R/S/T/L
Type: Single-door refrigerator, no freezer
Capacity: 22.8 cu ft
Annual energy use: 370 kWh a year
ENERGY STAR Most Efficient: No
Product class: (3A-BI.) Built-in All-refrigerators - automatic defrost
Adjusted volume (cu ft): 22.8
EnergyGuide label: https://haven.subzero.com/AssetLink/osef0d65tt776346w12714284xb71os7.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 CL3650R/S/T/L cost to run per month?

about $6 a month at the U.S. average residential rate of 18.0¢ per kWh, or $67 a year. Your cost depends on your state's rate — see the table above.

+How many kWh does the Sub-Zero CL3650R/S/T/L use?

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

+Is the Sub-Zero CL3650R/S/T/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 26% more electricity than the average single-door refrigerator, no freezer (average: 295 kWh a year).

+How does the Sub-Zero CL3650R/S/T/L compare to the average refrigerator?

The average single-door refrigerator, no freezer in our database uses 295 kWh a year, costing $53 a year at the U.S. average residential rate. The Sub-Zero CL3650R/S/T/L uses 370 kWh a year, costing $67 a year.

How we calculate this

Annual energy use (370 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.