How much does an air purifier cost per month in New York?

About $10.76 a month, assuming 50 W, 24 hours a day, 365 days a year at 29.49¢/kWh.

How many kilowatt-hours does an air purifier use?

Roughly 438 kWh a year under these assumptions, or 0.05 kWh for every hour it runs.

Is that expensive compared with other states?

New York has the 5th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $80.33 a year.

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Cost to run an air purifier in New York (June 2026 rates)

At 29.49¢ per kilowatt-hour — New York's average residential price in June 2026 — running an air purifier costs $129 a year. That is 61% more than the national average of $80.33. New York's residential rate is up 11.1% from June 2025, which moves this appliance from $116 to $129 a year.

Per hour: 1.5¢
Per day of use: 35.4¢
Per month: $10.76
Per year: $129

Assumption: 50 W, 24 hours a day, 365 days a year — 438 kWh a year. Mid-size HEPA unit on medium. High speed can triple the draw. Use the calculator to swap in the numbers from your own model.

How New York compares

New York pays 29.49¢/kWh, the 5th most expensive residential electricity of the 51 U.S. jurisdictions EIA reports. For this appliance that works out to $48.84 more a year than the typical U.S. household pays for the same use. Running the same air purifier costs $57.42 a year in Nevada and $231 in Hawaii, so where you live changes this bill by $173 a year.

State	Rate	Per month	Per year
Alaska	28.21¢	$10.30	$124
Rhode Island	29.23¢	$10.67	$128
New York	29.49¢	$10.76	$129
Maine	29.59¢	$10.80	$130
Massachusetts	29.61¢	$10.81	$130

States ranked by average residential price, cheapest first. See all 51 states for an air purifier.

What else costs about the same in New York

Refrigerator$118 a year in NY Desktop computer$118 a year in NY Dehumidifier$159 a year in NY

Cutting the number down

Right-sizing to the room lets you run a bigger unit on low instead of a small one on high, which is quieter and cheaper for the same clean-air delivery.
A loaded filter forces the fan to work harder for less airflow, so late-life filters cost more per unit of clean air.

Questions

How much does an air purifier cost per month in New York?: About $10.76 a month, assuming 50 W, 24 hours a day, 365 days a year at 29.49¢/kWh.
How many kilowatt-hours does an air purifier use?: Roughly 438 kWh a year under these assumptions, or 0.05 kWh for every hour it runs.
Is that expensive compared with other states?: New York has the 5th most expensive average residential rate in the country, so this appliance costs more here than the U.S. average of $80.33 a year.