Reasons to choose it
- Powerful high-volume CADR (300+ CFM) for large rooms up to 465 sq ft
- Certified True HEPA captures 99.97% of airborne particles
- Durable workhorse build with touch-button controls

Honeywell · Air purifiers
Extra-large room True HEPA air purifier with Turbo Clean mode, dual-stage filtration, and AHAM Verifide CADR ratings for large rooms.
12 published comparisons feature this product.

$749

$249

$339

$249

$649

$249

$549

$249
Catalog snapshot: September 1, 2026. Published specifications, not independent lab tests.
View the official source ↗Keep your options open

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Levoit
Smart air purifier with H13 True HEPA filtration, AirSight Plus laser dust sensor, and VeSync app control.

Levoit
High-efficiency smart vortex air purifier with VortexAir 3.0 technology cleaning up to 1,588 sq ft in 30 mins.

Winix
Budget favorite with PlasmaWave technology, Washable AOC Carbon Filter, and True HEPA filtration.

Blueair
High-capacity large-room air purifier with 360-degree HEPASilent filtration and machine-washable fabric pre-filters.
Honeywell HPA300 HEPA Air Purifier lists at $249 (manufacturer list price snapshot as of 2026-09-01). Retail prices vary by merchant and this is not a live quote.
Key specifications for Honeywell HPA300 HEPA Air Purifier include cadr (300 CFM (Smoke), 320 CFM (Dust), 300 CFM (Pollen)) and coverage area (465 sq ft (4.8 air changes/hr) / 2,250 sq ft (1 air change/hr)).
Honeywell HPA300 HEPA Air Purifier is compared head to head against Alen BreatheSmart 75i Large Room Air Purifier vs Honeywell HPA300 HEPA Air Purifier, Blueair Blue Pure 211+ Auto vs Honeywell HPA300 HEPA Air Purifier, Blueair Protect 7470i vs Honeywell HPA300 HEPA Air Purifier, Coway Airmega 400 vs Honeywell HPA300 HEPA Air Purifier, Coway Airmega AP-1512HH Mighty vs Honeywell HPA300 HEPA Air Purifier, and Dyson Purifier Hot+Cool Formaldehyde HP09 vs Honeywell HPA300 HEPA Air Purifier.