DeskGearHQ

Workspace Wellness

Honeywell HPA300

By Nick Miles · Updated 2026-05-06 · 8 expert sources

Pros

  • +AHAM-certified CADR — independently verified throughput
  • +True-HEPA at the larger-room price-quality sweet spot
  • +Pre-filter sleeve handles pet hair before HEPA stages
  • +Energy Star certification keeps operating cost low
  • +True-HEPA captures 99.97% of 0.3-micron particles

Cons

  • 48 dB on high — louder than the Mighty
  • 20×10-inch footprint is floor-only in most rooms
  • Replacement filters run roughly $60-70 per year
  • Not the cheapest option in the category

Score breakdown

  • Expert consensus8.8
  • Effectiveness9.0
  • Build safety8.7
  • Durability8.6
  • Value8.8