Honeywell Allergen Plus HEPA Air Purifier for Large Rooms, Black, HPA4300B
The Honeywell HPA4300B is a 4-layer HEPA purifier, AHAM Verifide for 354 square foot rooms at 4.8 air changes per hour, with an auto mode that adjusts fan speed to measured air quality. A current Honeywell for mid-size studios.
Price range: See on Amazon
What we liked
- + AHAM Verifide: 4.8 air changes per hour in 354 sq ft, or one change per hour in rooms up to 1718 sq ft
- + AQSense Auto Mode tracks air quality and sets fan speed itself, with green, yellow and red indicators
- + Sleep mode, timer, 4 cleaning levels, child lock, a carry handle and one-click filter changes
Trade-offs
- - The listing does not state noise levels in decibels, the key number for a quiet practice room
- - The 1718 sq ft figure is a single air change per hour: for frequent changes it is a 354 sq ft machine
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