How much does it cost to run an air purifier?

A typical air purifier uses about 152 kilowatt-hours (kWh) a year, or 0.416 kWh a day.

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kWh a yearkWh a year
How manyHow many
152 kWh a year ÷ 12 = 12.7 kWh · 12.7 kWh × 18.0¢ US average = $2.29 a month
A kilowatt-hour (kWh) is 1,000 watts for one hour. It’s what your bill counts.

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$2a month

About $27 a year, or 7.5¢ a day.

Estimate my bill See prices by state

What does an air purifier cost to run in each state?

The same air purifier costs more than three times as much in Hawaii as in North Dakota.

Hawaii44.3¢$5.63 · 44.3¢ a month
California32.3¢$4.10 · 32.3¢ a month
Massachusetts30.4¢$3.86 · 30.4¢ a month
Maine29.6¢$3.76 · 29.6¢ a month
Rhode Island29.4¢$3.73 · 29.4¢ a month
New York28.6¢$3.63 · 28.6¢ a month
Connecticut27.4¢$3.48 · 27.4¢ a month
New Hampshire27.0¢$3.43 · 27.0¢ a month
Alaska26.9¢$3.42 · 26.9¢ a month
District of Columbia24.5¢$3.11 · 24.5¢ a month
Vermont23.9¢$3.04 · 23.9¢ a month
New Jersey23.7¢$3.01 · 23.7¢ a month
Michigan21.3¢$2.71 · 21.3¢ a month
Maryland21.2¢$2.69 · 21.2¢ a month
Pennsylvania20.9¢$2.65 · 20.9¢ a month
Illinois18.9¢$2.40 · 18.9¢ a month
Wisconsin18.8¢$2.39 · 18.8¢ a month
Ohio18.4¢$2.34 · 18.4¢ a month
US average18.0¢$2.29 · 18.0¢ a month
Delaware18.0¢$2.29 · 18.0¢ a month
Indiana16.9¢$2.15 · 16.9¢ a month
Virginia16.6¢$2.11 · 16.6¢ a month
Colorado16.6¢$2.11 · 16.6¢ a month
Alabama16.4¢$2.08 · 16.4¢ a month
Minnesota16.3¢$2.07 · 16.3¢ a month
Texas16.0¢$2.03 · 16.0¢ a month
South Carolina15.8¢$2.01 · 15.8¢ a month
West Virginia15.5¢$1.97 · 15.5¢ a month
Oregon15.5¢$1.97 · 15.5¢ a month
Florida15.4¢$1.96 · 15.4¢ a month
Arizona15.4¢$1.96 · 15.4¢ a month
New Mexico15.3¢$1.94 · 15.3¢ a month
Georgia15.2¢$1.93 · 15.2¢ a month
Kansas15.1¢$1.92 · 15.1¢ a month
Mississippi14.9¢$1.89 · 14.9¢ a month
North Carolina14.8¢$1.88 · 14.8¢ a month
South Dakota14.3¢$1.82 · 14.3¢ a month
Iowa14.2¢$1.80 · 14.2¢ a month
Washington14.2¢$1.80 · 14.2¢ a month
Wyoming14.0¢$1.78 · 14.0¢ a month
Missouri14.0¢$1.78 · 14.0¢ a month
Kentucky13.9¢$1.77 · 13.9¢ a month
Montana13.9¢$1.77 · 13.9¢ a month
Oklahoma13.8¢$1.75 · 13.8¢ a month
Tennessee13.6¢$1.73 · 13.6¢ a month
Arkansas13.6¢$1.73 · 13.6¢ a month
Nevada13.4¢$1.70 · 13.4¢ a month
Utah13.3¢$1.69 · 13.3¢ a month
Louisiana13.0¢$1.65 · 13.0¢ a month
Idaho12.8¢$1.63 · 12.8¢ a month
Nebraska12.7¢$1.61 · 12.7¢ a month
North Dakota12.3¢$1.56 · 12.3¢ a month

See prices by state

An air purifier (152 kWh a year) at each state’s average price.

State averages · last 12 months · US government data (EIA)

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FAQ

Questions about air purifier power

The middle ENERGY STAR air purifier uses about 152 kilowatt-hours (kWh) a year, or 0.416 kWh a day.

The middle ENERGY STAR air purifier uses about 12.7 kWh a month. Its cost is that kWh times your price per kWh. The calculator above multiplies it by your electric company’s average price, with all charges included, and shows the math.

ENERGY STAR’s product finder lists the kWh a year for each certified model. Type your model’s figure into the kWh a year field above to price your own air purifier.

Information as of Nov 2, 2026.

Our numbers come from US government data (EIA) and ENERGY STAR.

Air purifier figures: ENERGY STAR Certified Room Air Cleaners V3.0 (opens data.energystar.gov in a new tab) (pulled Nov 3, 2026).

Report a mistake (opens support.onepublicgrid.com in a new tab)

How much does it cost to run an air purifier?

What do you run?

What does an air purifier cost to run in each state?

More for heating and cooling

Questions about air purifier power

How much electricity does an air purifier use?

How much does it cost to run an air purifier?

How do I find what my air purifier uses?