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Air purifier running cost calculator

Model

Electricity rate or custom ¢/kWh

Hours per day

Estimate = ENERGY STAR annual kWh × (hours ÷ 16) × rate. ENERGY STAR's annual figure assumes 16 h/day active use under the DOE test procedure (DOE); scaling by hours ignores standby power and fan-speed differences, so treat it as approximate. Filter costs not included.

Electricity rates by state

See typical yearly costs by state.