- What size room is the HPA5100B good for?
- Honeywell rates it for rooms up to about 190 square feet, so one bedroom, office or small living room. Larger or open-plan spaces will need a bigger unit.
- What filters does it use?
- It uses a true HEPA filter plus a carbon pre-filter, and both are included. Replacements are widely sold, and the pre-filter should be changed more often than the HEPA filter.
- Does it have an auto mode or app control?
- No. It has three manual fan speeds, a timer and auto-off, but no air quality sensor, auto mode or app. You set the speed yourself.
- How loud is it?
- Low and medium speeds are quiet enough for a bedroom. The top speed is noticeably audible, so most owners run it lower at night.
- Is it portable between rooms?
- Yes. At about 17.7 inches tall and 11.3 inches wide, it is light enough to carry from room to room, though it needs a nearby outlet.
- How does it compare with larger Honeywell purifiers?
- Larger Honeywell models cover more square footage and some add sensors or auto modes. The HPA5100B is the simpler, smaller-room option.
- Where is the Honeywell HPA5100B cheapest?
- At Chewy, for $129.99, 19% under what the other stores charge, as of our latest check.
- Where can I buy the Honeywell HPA5100B?
- 7 stores we checked sell it, including Walmart, Chewy, Target, Sylvane, Blain's Farm & Fleet.