WattCost

Data through June 2026

Running cost · Air Purifiers · ENERGY STAR certified

Coway AP-2425H

The Coway AP-2425H's certified consumption is 366 kWh per year, which prices out to about $67 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 212 of 225. Where you live moves the bill from $48 a year in Nevada to $193 in Hawaii. Note the certified pool here is small (225 models), so rankings shift more with each data refresh.

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

$67/yr

$5.50 · cheapest certified air purifiers$90 · priciest
Per month
$5.59
Per day
18¢
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 AP-2425H (▮) sits among all 225 certified air purifiers, by annual kWh

What it costs in every state

Coway AP-2425H: 366 kWh/yr × each state's average residential rate (EIA)
StateRate ¢/kWhThis model $/yrRelative cost
Alabama16.4¢$60
Alaska28.2¢$103
Arizona15.2¢$56
Arkansas14.1¢$52
California34.7¢$127
Colorado17.1¢$63
Connecticut24.3¢$89
Delaware19.3¢$71
District of Columbia24.4¢$89
Florida15.1¢$55
Georgia16.4¢$60
Hawaiipriciest52.7¢$193
Idaho14.4¢$53
Illinois19.9¢$73
Indiana17.5¢$64
Iowa15.9¢$58
Kansas15.7¢$57
Kentucky14.3¢$52
Louisiana13.5¢$49
Maine29.6¢$108
Maryland21.8¢$80
Massachusetts29.6¢$108
Michigan23.0¢$84
Minnesota17.5¢$64
Mississippi14.9¢$54
Missouri16.2¢$59
Montana15.1¢$55
Nebraska13.3¢$48
Nevadacheapest13.1¢$48
New Hampshire27.0¢$99
New Jersey24.9¢$91
New Mexico15.1¢$55
New York29.5¢$108
North Carolina14.7¢$54
North Dakota14.1¢$52
Ohio19.2¢$70
Oklahoma14.3¢$52
Oregon16.3¢$60
Pennsylvania21.7¢$80
Rhode Island29.2¢$107
South Carolina15.6¢$57
South Dakota15.4¢$56
Tennessee14.1¢$51
Texas15.9¢$58
Utah13.4¢$49
Vermont24.4¢$89
Virginia17.2¢$63
Washington14.9¢$55
West Virginia15.4¢$57
Wisconsin19.6¢$72
Wyoming15.2¢$56

Certified models closest in efficiency

air purifiers within reach of 366 kWh/yr
ModelkWh/yr$/yr (US avg)
AIRMEGA AP-2015F366$67
AIRMEGA AP-2425H366$67
Coway Airmega AP-2015F366$67
Coway Airmega AP-2425H366$67
Coway AP-2015F366$67
WOZOYO Pure Air PA6373$68

Run your own numbers

Your rate, your numbers

Per day
18¢
Per month
$5.59
Per year
$67

366 kWh/yr × 18.3¢/kWh = $67/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 AP-2425H use?
ENERGY STAR certifies the Coway 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 AP-2425H cost to run per month?
About $5.59 a month at the U.S. average residential rate (18.3¢/kWh) — 18¢ a day, or $67 a year. Your state's rate moves this up or down; see the table above.
Is the Coway 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 AP-2425H cost to run in the cheapest vs. priciest state?
At current residential rates it costs about $48 a year in Nevada (13.1¢/kWh) and $193 in Hawaii (52.7¢/kWh).

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