EPA ENERGY STAR certified data
Air purifiers, measured — not marketed.
Compare certified room coverage, clean air delivery and electricity use from an ENERGY STAR data snapshot. Our room-size analysis separates reported values from calculated air-change scenarios.
Certified models
247
Brands
72
Median EPA room size
250 ft²
Median energy cost
$24.32/yr
at $0.16/kWh
Clean Air Directory
Filter by room size, smoke CADR, wattage and brand.
Study: CADR & Room Coverage
Coverage distributions and the effect of air-change assumptions.
Room size & smoke CADR
Calculate required clean-air delivery and match certified records.