WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

TCL T05WV9MB

The TCL T05WV9MB is certified at 274 kWh per year (based on 750 standardized hours), roughly $52 at the national average — though seasonal use means your real bill lands in a few months, not twelve. That puts it in the most efficient tenth of every certified room air conditioner — 49% less electricity than the median, ranked 2 of 396. Where you live moves the bill from $34 a year in North Dakota to $128 in Hawaii.

Estimated annual running cost · U.S. average rate 18.8¢/kWh

$52/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$4.29
Per day
14¢
Certified use
274 kWh/yr
Cooling capacity
5,000 BTU/hr
CEER
13.7
Mounting
Straddles Window
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the TCL T05WV9MB (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

TCL T05WV9MB: 274 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$48
Alaska27.4¢$75
Arizona15.5¢$42
Arkansas14.2¢$39
California35.3¢$96
Colorado16.5¢$45
Connecticut32.2¢$88
Delaware18.8¢$51
District of Columbia25.4¢$70
Florida15.4¢$42
Georgia15.4¢$42
Hawaiipriciest46.6¢$128
Idaho12.7¢$35
Illinois20.5¢$56
Indiana17.9¢$49
Iowa13.9¢$38
Kansas15.8¢$43
Kentucky15.0¢$41
Louisiana14.4¢$40
Maine28.4¢$78
Maryland22.1¢$60
Massachusetts29.4¢$81
Michigan21.4¢$59
Minnesota16.4¢$45
Mississippi16.8¢$46
Missouri14.0¢$38
Montana13.9¢$38
Nebraska13.3¢$36
Nevada14.3¢$39
New Hampshire27.2¢$75
New Jersey23.5¢$64
New Mexico15.2¢$41
New York29.4¢$81
North Carolina16.3¢$44
North Dakotacheapest12.3¢$34
Ohio19.5¢$53
Oklahoma13.3¢$36
Oregon15.8¢$43
Pennsylvania21.5¢$59
Rhode Island28.3¢$77
South Carolina17.1¢$47
South Dakota14.5¢$40
Tennessee14.9¢$41
Texas17.0¢$47
Utah13.3¢$36
Vermont24.6¢$67
Virginia17.4¢$48
Washington14.4¢$39
West Virginia16.1¢$44
Wisconsin19.2¢$53
Wyoming14.7¢$40

Certified models closest in efficiency

room air conditioners within reach of 274 kWh/yr
ModelkWh/yr$/yr (US avg)
TCL T05WV9M274$52
TCL T05WV9R274$52
TCL T05WV9RB274$52
TCL W5WC72274$52
TCL W5WC72-B274$52
TCL W5WC72M274$52

Run your own numbers

Your rate, your numbers

Per day
14¢
Per month
$4.30
Per year
$52

274 kWh/yr × 18.8¢/kWh = $52/yr

Prefilled with this model's certified 274 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 TCL T05WV9MB use?
ENERGY STAR certifies the TCL T05WV9MB at 274 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 TCL T05WV9MB cost to run per month?
About $4.29 a month at the U.S. average residential rate (18.8¢/kWh) — 14¢ a day, or $52 a year. Your state's rate moves this up or down; see the table above.
Is the TCL T05WV9MB energy efficient?
It uses 49% less electricity than the median certified room air conditioner, placing it in the top 10% of certified models.
What does the TCL T05WV9MB cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $34 a year in North Dakota (12.3¢/kWh) and $128 in Hawaii (46.6¢/kWh).

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