WattCost

Data through June 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

Friedrich KCVS12B30A

Under the DOE test basis of 750 hours a year, the Friedrich KCVS12B30A draws 635 kWh — about $116 at the U.S. average rate, concentrated in the months you actually run it. Efficiency-wise it's unremarkable in a good way: within 19% of the median certified room air conditioner (rank 320 of 439). Where you live moves the bill from $83 a year in Nevada to $335 in Hawaii.

Uses 38% less energy than the U.S. federal minimum

Dimensions 15.9" H × 25.9" W × 29" D, 110 lb

Estimated annual running cost · U.S. average rate 18.3¢/kWh

$116/yr

$48 · cheapest certified room air conditioners$384 · priciest
Per month
$9.70
Per day
32¢
Certified use
635 kWh/yr
Cooling capacity
12,700 BTU/hr
CEER
15
Mounting
Does Not Straddle Window or Windowsill
Variable-speed compressor
Yes
260 kWh2,096 kWh
Where the Friedrich KCVS12B30A (▮) sits among all 439 certified room air conditioners, by annual kWh

What it costs in every state

Friedrich KCVS12B30A: 635 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$104
Alaska28.2¢$179
Arizona15.2¢$96
Arkansas14.1¢$90
California34.7¢$221
Colorado17.1¢$109
Connecticut24.3¢$154
Delaware19.3¢$122
District of Columbia24.4¢$155
Florida15.1¢$96
Georgia16.4¢$104
Hawaiipriciest52.7¢$335
Idaho14.4¢$91
Illinois19.9¢$126
Indiana17.5¢$111
Iowa15.9¢$101
Kansas15.7¢$100
Kentucky14.3¢$91
Louisiana13.5¢$86
Maine29.6¢$188
Maryland21.8¢$139
Massachusetts29.6¢$188
Michigan23.0¢$146
Minnesota17.5¢$111
Mississippi14.9¢$94
Missouri16.2¢$103
Montana15.1¢$96
Nebraska13.3¢$84
Nevadacheapest13.1¢$83
New Hampshire27.0¢$172
New Jersey24.9¢$158
New Mexico15.1¢$96
New York29.5¢$187
North Carolina14.7¢$94
North Dakota14.1¢$90
Ohio19.2¢$122
Oklahoma14.3¢$91
Oregon16.3¢$104
Pennsylvania21.7¢$138
Rhode Island29.2¢$186
South Carolina15.6¢$99
South Dakota15.4¢$98
Tennessee14.1¢$89
Texas15.9¢$101
Utah13.4¢$85
Vermont24.4¢$155
Virginia17.2¢$109
Washington14.9¢$95
West Virginia15.4¢$98
Wisconsin19.6¢$124
Wyoming15.2¢$97

Certified models closest in efficiency

room air conditioners within reach of 635 kWh/yr
ModelkWh/yr$/yr (US avg)
Friedrich WCVT10B10A635$116
Wallmaster WCVT12B30Bmost efficient637$117
Friedrich WCVT10B30A640$117
Friedrich KCVS12B10A625$115
GE Appliances AWGP12W625$115
Midea MAW12HV1KWT-Amost efficient625$115

Run your own numbers

Your rate, your numbers

Per day
32¢
Per month
$9.70
Per year
$116

635 kWh/yr × 18.3¢/kWh = $116/yr

Prefilled with this model's certified 635 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.

Questions, answered with the data

How much electricity does the Friedrich KCVS12B30A use?
ENERGY STAR certifies the Friedrich KCVS12B30A at 635 kWh per year. The certified annual kWh assumes 750 cooling hours per year (the DOE standard). In hot climates real usage can run well above that; in mild ones, below.
How much does the Friedrich KCVS12B30A cost to run per month?
About $9.70 a month at the U.S. average residential rate (18.3¢/kWh) — 32¢ a day, or $116 a year. Your state's rate moves this up or down; see the table above.
Is the Friedrich KCVS12B30A energy efficient?
It uses 19% more electricity than the median certified room air conditioner.
What does the Friedrich KCVS12B30A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $83 a year in Nevada (13.1¢/kWh) and $335 in Hawaii (52.7¢/kWh).

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