Miele KWTMC3821L

ENERGY STAR certified

Wine cooler · 14 cu ft

InYour statethis wine cooler costs

about $3 a month

$33 a year

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

Wine coolers carry no EnergyGuide label, so there is no sticker figure to compare this against.

Energy use

185 kWh a year

vs similar wine cooler

+4%

Cheaper wine coolers, same size

ENERGY STAR lists 2 other certified models at the same 185 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 84 wine coolers over 5 cu ft

Cost in every state

185 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¢	$81	about $7 a month
California	33.1¢	$61	about $5 a month
Massachusetts	30.4¢	$56	about $5 a month
Rhode Island	29.4¢	$54	about $5 a month
Maine	29.3¢	$54	about $5 a month
New York	28.4¢	$52	about $4 a month
Connecticut	28.2¢	$52	about $4 a month
Alaska	27.0¢	$50	about $4 a month
New Hampshire	26.8¢	$50	about $4 a month
District of Columbia	24.2¢	$45	about $4 a month

Show all 52 states

Vermont	23.9¢	$44	about $4 a month
New Jersey	23.6¢	$44	about $4 a month
Maryland	22.3¢	$41	about $3 a month
Michigan	21.0¢	$39	about $3 a month
Pennsylvania	20.8¢	$38	about $3 a month
Illinois	19.0¢	$35	about $3 a month
Wisconsin	18.8¢	$35	about $3 a month
Ohio	18.3¢	$34	about $3 a month
U.S. average	18.0¢	$33	about $3 a month
Delaware	18.0¢	$33	about $3 a month
Indiana	17.1¢	$32	about $3 a month
Virginia	16.6¢	$31	about $3 a month
Colorado	16.6¢	$31	about $3 a month
Alabama	16.5¢	$31	about $3 a month
Minnesota	16.2¢	$30	about $3 a month
Texas	16.0¢	$30	about $2 a month
South Carolina	15.7¢	$29	about $2 a month
West Virginia	15.7¢	$29	about $2 a month
Oregon	15.6¢	$29	about $2 a month
Arizona	15.5¢	$29	about $2 a month
Florida	15.4¢	$29	about $2 a month
New Mexico	15.2¢	$28	about $2 a month
Kansas	15.1¢	$28	about $2 a month
Georgia	15.1¢	$28	about $2 a month
Mississippi	14.9¢	$28	about $2 a month
North Carolina	14.9¢	$28	about $2 a month
South Dakota	14.3¢	$26	about $2 a month
Washington	14.2¢	$26	about $2 a month
Wyoming	14.2¢	$26	about $2 a month
Iowa	14.1¢	$26	about $2 a month
Kentucky	14.0¢	$26	about $2 a month
Montana	13.9¢	$26	about $2 a month
Missouri	13.9¢	$26	about $2 a month
Tennessee	13.7¢	$25	about $2 a month
Oklahoma	13.6¢	$25	about $2 a month
Nevada	13.6¢	$25	about $2 a month
Arkansas	13.5¢	$25	about $2 a month
Utah	13.3¢	$25	about $2 a month
Louisiana	13.1¢	$24	about $2 a month
Nebraska	12.9¢	$24	about $2 a month
Idaho	12.7¢	$23	about $2 a month
North Dakota	12.5¢	$23	about $2 a month

What the Miele KWTMC3821L costs where electricity is expensive

At Hawaii's average residential rate of 43.7¢ per kWh, the Miele KWTMC3821L costs $81 a year. At the U.S. average of 18.0¢ per kWh it costs $33 a year, and in North Dakota, the cheapest state, $23 a year.

Estimated annual running cost for the Miele KWTMC3821L in the highest-rate states and the lowest-rate state
Where	Rate	Cost a year
Hawaii	43.7¢ per kWh	$81
California	33.1¢ per kWh	$61
Massachusetts	30.4¢ per kWh	$56
Rhode Island	29.4¢ per kWh	$54
Maine	29.3¢ per kWh	$54
North Dakota	12.5¢ per kWh	$23

Electricity prices: EIA 12-month average through July 2026, residential sector, average revenue per kWh.

Full specs

At the U.S. average residential rate this one costs $33 a year — about the same as the average wine cooler ($32 a year across 51 certified models).

$33

Most efficient $21Average $32Least efficient $45

Every model on this scale is ENERGY STAR certified. Range across 51 wine coolers, priced a year at the U.S. average residential rate.

Federal limit for this size and configuration: 266 kWh a year ($48 a year). This model uses 185 kWh a year.

Brand: Miele
Model number: KWTMC3821L
Type: Wine cooler
Capacity: 14 cu ft
Annual energy use: 185 kWh a year
Better than the federal standard: 30% less energy
ENERGY STAR Most Efficient: No
On the market since: September 2026
Certified: September 2026
Ice maker: No
Through-the-door dispenser: No
Counter depth: Yes
Built-in: Yes
Height (in): 84
Width (in): 24
Adjusted volume (cu ft): 14.0
Refrigerant: R-600a
Connected features: No

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 Miele KWTMC3821L cost to run per month?

about $3 a month at the U.S. average residential rate of 18.0¢ per kWh, or $33 a year. Your cost depends on your state's rate — see the table above.

+How many kWh does the Miele KWTMC3821L use?

185 kWh a year, as the manufacturer filed it with the EPA, in the ENERGY STAR certified product database.

+Is the Miele KWTMC3821L energy efficient?

It is listed as ENERGY STAR certified. It uses about 4% more electricity than the average wine cooler (average: 179 kWh a year).

+How does the Miele KWTMC3821L compare to the average wine cooler?

The average wine cooler in our database uses 179 kWh a year, costing $32 a year at the U.S. average residential rate. The Miele KWTMC3821L uses 185 kWh a year, costing $33 a year.

How we calculate this

Annual energy use (185 kWh a year) is the figure the manufacturer filed for this model with the EPA, in the ENERGY STAR certified product 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: EPA ENERGY STAR certified product data, updated weekly · U.S. EIA electricity prices, 12-month average through July 2026.