WattCost

Data through April 2026

Running cost · Room Air Conditioners · ENERGY STAR certified

GREE GJH09BW-A6DRNL1A

The GREE GJH09BW-A6DRNL1A is certified at 462 kWh per year (based on 750 standardized hours), roughly $87 at the national average — though seasonal use means your real bill lands in a few months, not twelve. That's 13% less than the median certified room air conditioner, placing it comfortably in the efficient third of the field (122 of 396). Where you live moves the bill from $57 a year in North Dakota to $215 in Hawaii. It also meets ENERGY STAR's stricter “Most Efficient” criteria.

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

$87/yr

$52 · cheapest certified room air conditioners$395 · priciest
Per month
$7.25
Per day
24¢
Certified use
462 kWh/yr
Cooling capacity
9,300 BTU/hr
CEER
15.1
Mounting
Straddles Window
Variable-speed compressor
Yes
274 kWh2,096 kWh
Where the GREE GJH09BW-A6DRNL1A (▮) sits among all 396 certified room air conditioners, by annual kWh

What it costs in every state

GREE GJH09BW-A6DRNL1A: 462 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$80
Alaska27.4¢$126
Arizona15.5¢$72
Arkansas14.2¢$65
California35.3¢$163
Colorado16.5¢$76
Connecticut32.2¢$149
Delaware18.8¢$87
District of Columbia25.4¢$117
Florida15.4¢$71
Georgia15.4¢$71
Hawaiipriciest46.6¢$215
Idaho12.7¢$59
Illinois20.5¢$95
Indiana17.9¢$83
Iowa13.9¢$64
Kansas15.8¢$73
Kentucky15.0¢$69
Louisiana14.4¢$67
Maine28.4¢$131
Maryland22.1¢$102
Massachusetts29.4¢$136
Michigan21.4¢$99
Minnesota16.4¢$76
Mississippi16.8¢$77
Missouri14.0¢$65
Montana13.9¢$64
Nebraska13.3¢$61
Nevada14.3¢$66
New Hampshire27.2¢$126
New Jersey23.5¢$109
New Mexico15.2¢$70
New York29.4¢$136
North Carolina16.3¢$75
North Dakotacheapest12.3¢$57
Ohio19.5¢$90
Oklahoma13.3¢$61
Oregon15.8¢$73
Pennsylvania21.5¢$99
Rhode Island28.3¢$131
South Carolina17.1¢$79
South Dakota14.5¢$67
Tennessee14.9¢$69
Texas17.0¢$78
Utah13.3¢$61
Vermont24.6¢$113
Virginia17.4¢$80
Washington14.4¢$66
West Virginia16.1¢$74
Wisconsin19.2¢$89
Wyoming14.7¢$68

Certified models closest in efficiency

room air conditioners within reach of 462 kWh/yr
ModelkWh/yr$/yr (US avg)
Kinghome KHWA09INmost efficient462$87
GE PWJV10Wmost efficient469$88
Midea 1010451479most efficient469$88
Midea 1014264129most efficient469$88
Midea MAW10U1QWTmost efficient469$88
Midea MAW10U2QWTmost efficient469$88

Run your own numbers

Your rate, your numbers

Per day
24¢
Per month
$7.25
Per year
$87

462 kWh/yr × 18.8¢/kWh = $87/yr

Prefilled with this model's certified 462 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 GREE GJH09BW-A6DRNL1A use?
ENERGY STAR certifies the GREE GJH09BW-A6DRNL1A at 462 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 GREE GJH09BW-A6DRNL1A cost to run per month?
About $7.25 a month at the U.S. average residential rate (18.8¢/kWh) — 24¢ a day, or $87 a year. Your state's rate moves this up or down; see the table above.
Is the GREE GJH09BW-A6DRNL1A energy efficient?
It uses 13% less electricity than the median certified room air conditioner, placing it in the efficient third of certified models. It also meets ENERGY STAR's Most Efficient criteria.
What does the GREE GJH09BW-A6DRNL1A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $57 a year in North Dakota (12.3¢/kWh) and $215 in Hawaii (46.6¢/kWh).

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