WattCost

Data through April 2026

Running cost · Air Purifiers · ENERGY STAR certified

Coway Airmega AP-2425H

The Coway Airmega AP-2425H's certified consumption is 366 kWh per year, which prices out to about $69 at the national average rate — your hours of use scale that directly. Even among certified models it's on the thirsty end: 147% more electricity than the median air purifier, ranked 199 of 214. Where you live moves the bill from $45 a year in North Dakota to $171 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

$69/yr

$5.65 · cheapest certified air purifiers$92 · priciest
Per month
$5.74
Per day
19¢
Certified use
366 kWh/yr
Rated room size
586 sq ft
CADR (smoke)
378
Technology
Fan and Filter
Efficiency
6.2 CFM/W
30 kWh490 kWh
Where the Coway Airmega AP-2425H (▮) sits among all 214 certified air purifiers, by annual kWh

What it costs in every state

Coway Airmega AP-2425H: 366 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama17.4¢$64
Alaska27.4¢$100
Arizona15.5¢$57
Arkansas14.2¢$52
California35.3¢$129
Colorado16.5¢$61
Connecticut32.2¢$118
Delaware18.8¢$69
District of Columbia25.4¢$93
Florida15.4¢$56
Georgia15.4¢$56
Hawaiipriciest46.6¢$171
Idaho12.7¢$46
Illinois20.5¢$75
Indiana17.9¢$66
Iowa13.9¢$51
Kansas15.8¢$58
Kentucky15.0¢$55
Louisiana14.4¢$53
Maine28.4¢$104
Maryland22.1¢$81
Massachusetts29.4¢$108
Michigan21.4¢$78
Minnesota16.4¢$60
Mississippi16.8¢$61
Missouri14.0¢$51
Montana13.9¢$51
Nebraska13.3¢$49
Nevada14.3¢$52
New Hampshire27.2¢$100
New Jersey23.5¢$86
New Mexico15.2¢$55
New York29.4¢$108
North Carolina16.3¢$59
North Dakotacheapest12.3¢$45
Ohio19.5¢$71
Oklahoma13.3¢$49
Oregon15.8¢$58
Pennsylvania21.5¢$79
Rhode Island28.3¢$104
South Carolina17.1¢$62
South Dakota14.5¢$53
Tennessee14.9¢$55
Texas17.0¢$62
Utah13.3¢$49
Vermont24.6¢$90
Virginia17.4¢$64
Washington14.4¢$53
West Virginia16.1¢$59
Wisconsin19.2¢$70
Wyoming14.7¢$54

Certified models closest in efficiency

air purifiers within reach of 366 kWh/yr
ModelkWh/yr$/yr (US avg)
AIRMEGA AP-2015F366$69
AIRMEGA AP-2425H366$69
Coway Airmega AP-2015F366$69
Coway AP-2015F366$69
Coway AP-2425H366$69
WOZOYO Pure Air PA6373$70

Run your own numbers

Your rate, your numbers

Per day
19¢
Per month
$5.74
Per year
$69

366 kWh/yr × 18.8¢/kWh = $69/yr

Prefilled with this model's certified 366 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 Coway Airmega AP-2425H use?
ENERGY STAR certifies the Coway Airmega AP-2425H at 366 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 Coway Airmega AP-2425H cost to run per month?
About $5.74 a month at the U.S. average residential rate (18.8¢/kWh) — 19¢ a day, or $69 a year. Your state's rate moves this up or down; see the table above.
Is the Coway Airmega AP-2425H energy efficient?
It uses 147% more electricity than the median certified air purifier, which puts it among the least efficient certified models.
What does the Coway Airmega AP-2425H cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $45 a year in North Dakota (12.3¢/kWh) and $171 in Hawaii (46.6¢/kWh).

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