WattCost

Data through April 2026

Running cost · Air Purifiers · ENERGY STAR certified

Midea 793K18A

The Midea 793K18A's certified consumption is 126 kWh per year, which prices out to about $24 at the national average rate — your hours of use scale that directly. That's close to the middle of the certified pack — about 15% under the median air purifier, ranked 82 of 214. Where you live moves the bill from $16 a year in North Dakota to $59 in Hawaii. Note the certified pool here is small (214 models), so rankings shift more with each data refresh.

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

$24/yr

$5.65 · cheapest certified air purifiers$92 · priciest
Per month
$1.98
Per day
Certified use
126 kWh/yr
Rated room size
231 sq ft
CADR (smoke)
149
Technology
Fan and Filter
Efficiency
7 CFM/W
30 kWh490 kWh
Where the Midea 793K18A (▮) sits among all 214 certified air purifiers, by annual kWh

What it costs in every state

Midea 793K18A: 126 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$22
Alaska27.4¢$34
Arizona15.5¢$20
Arkansas14.2¢$18
California35.3¢$44
Colorado16.5¢$21
Connecticut32.2¢$41
Delaware18.8¢$24
District of Columbia25.4¢$32
Florida15.4¢$19
Georgia15.4¢$19
Hawaiipriciest46.6¢$59
Idaho12.7¢$16
Illinois20.5¢$26
Indiana17.9¢$23
Iowa13.9¢$17
Kansas15.8¢$20
Kentucky15.0¢$19
Louisiana14.4¢$18
Maine28.4¢$36
Maryland22.1¢$28
Massachusetts29.4¢$37
Michigan21.4¢$27
Minnesota16.4¢$21
Mississippi16.8¢$21
Missouri14.0¢$18
Montana13.9¢$18
Nebraska13.3¢$17
Nevada14.3¢$18
New Hampshire27.2¢$34
New Jersey23.5¢$30
New Mexico15.2¢$19
New York29.4¢$37
North Carolina16.3¢$20
North Dakotacheapest12.3¢$16
Ohio19.5¢$25
Oklahoma13.3¢$17
Oregon15.8¢$20
Pennsylvania21.5¢$27
Rhode Island28.3¢$36
South Carolina17.1¢$21
South Dakota14.5¢$18
Tennessee14.9¢$19
Texas17.0¢$21
Utah13.3¢$17
Vermont24.6¢$31
Virginia17.4¢$22
Washington14.4¢$18
West Virginia16.1¢$20
Wisconsin19.2¢$24
Wyoming14.7¢$18

Certified models closest in efficiency

air purifiers within reach of 126 kWh/yr
ModelkWh/yr$/yr (US avg)
CUCKOO CAC-AB0610FI126$24
Greenlite G-Pure-22W126$24
ISINLIVE vortex V2126$24
Midea KJ200G-Z41126$24
Midea KJ250G-Z43126$24
PELONIS KJ250G-Z43126$24

Run your own numbers

Your rate, your numbers

Per day
Per month
$1.98
Per year
$24

126 kWh/yr × 18.8¢/kWh = $24/yr

Prefilled with this model's certified 126 kWh/yr — adjust if your usage differs from the DOE test basis. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.

Questions, answered with the data

How much electricity does the Midea 793K18A use?
ENERGY STAR certifies the Midea 793K18A at 126 kWh per year. The certified annual kWh comes from the ENERGY STAR room air cleaner test basis, which assumes continuous daily operation. Running fewer hours costs proportionally less.
How much does the Midea 793K18A cost to run per month?
About $1.98 a month at the U.S. average residential rate (18.8¢/kWh) — 7¢ a day, or $24 a year. Your state's rate moves this up or down; see the table above.
Is the Midea 793K18A energy efficient?
It uses 15% less electricity than the median certified air purifier.
What does the Midea 793K18A cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $16 a year in North Dakota (12.3¢/kWh) and $59 in Hawaii (46.6¢/kWh).

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