Air Purifier CADR Check

Disclosure: Manufacturer links on this site are plain links, not affiliate links yet. If that changes we may earn a commission at no cost to you, and this notice will say so. We have not tested any product; all performance figures come from ENERGY STAR certification data, and cost and room-size figures are estimates. Learn more.

Air purifier running cost calculator

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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.