Honeywell 50250-S Review

Best air cleaner for small rooms

  • Low purchase price
  • Good dust/pollen/smoke removal
  • Long lasting, cheap filters
  • Small coverage area
  • Noisy on high speed
  • Not Energy Star-qualified

Bottom line

The Honeywell 50250-S is best used in small spaces, and does a good job of removing dust and other allergens from the air. The biggest complaint surrounding this unit is that it's noisy, noticeable even at low speeds. A near identical version, the Honeywell 50250-N, is said to have permanent filters, but that's more marketing than reality as its filters, too, need to be replaced. That matters little as the filters in both models last a long time and are relatively cheap.

Breaking it down


Good for small rooms. The Honeywell 50250-S is best used in small rooms as it's not powerful enough to clean rooms with larger capacity. The Honeywell air purifier takes in air from all sides of its cylindrical design, expelling clean air out the top, but it doesn't pull as much air through its HEPA filter as more expensive models, such as the Blueair 503, experts say. Still, notes Ed Sherbenou of, this air cleaner offers "a lot of power for the money." Testers from one professional consumer testing organization say the Honeywell 50250 is excellent at removing dust, pollen and cigarette smoke at its high setting, and also does a good job at the low setting.

Ease of use

Easy use with filter indicator lights. Filter indicator lights let users know when it's time to change out -- or at least vacuum -- the filter for maximum performance. The unit itself is fairly large, according to Sherbenou, and it needs to sit a minimum of three feet away from a wall. Therefore, it will take up some available space in the room. It's lightweight (just 20 pounds) and has a carrying handle at the top for easy transfer from room to room. Replacement filters are easy to find online or in stores.


Noticeable noise on low, quite loud on high. Sherbenou praises the Honeywell's cleaning power, but says he rarely will use it in his bedroom because of the noise. One professional testing organization gives the Honeywell 50250 a rating of Poor for its noise level at the highest fan speed setting, and a slightly better rating of Good for noise at the lower speed settings.

Cost of ownership

Affordable filters, low up-front cost. The Honeywell's long-lasting HEPA filter should be vacuumed twice a year, but Sherbenou says it will eventually have to be replaced. The Honeywell also uses an odor-reducing carbon prefilter (Est. $15) that should be replaced every three months. It's not Energy Star qualified, but power draw isn't terrible -- about as much as two standard light bulbs, Sherbenou says.

Where To Buy
Honeywell 50250-S True HEPA Air Purifier, 390 sq ft

 (2,664 reviews)
110 Used & new from $73.63

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Honeywell 50250-S Review


The Honeywell 50250 (identical to the 50250-S) is one of the 28 room air purifiers tested by By injecting allergens into a test room, then measuring particle removal on both high and low speeds, editors rate air purifiers for dust and smoke removal and noise level.

Review: Honeywell 50250 Air purifier, Editors of, Not Dated


Air-purifier expert Ed Sherbenou owns a Honeywell 50250, and it shows in this illustrated review. He says the 50250 is well sealed and has a big filter. "I have seen 18-wheelers with smaller air filters than this," he notes. But it's so loud that he doesn't use it in his bedroom.

Review: Honeywell 50250S Air Purifier Review, Ed Sherbenou, Not dated


More than 1,650 owners post comments at about the Honeywell 50250-S. Most users are very satisfied, praising the air purifier's effectiveness at getting rid of odors -- but again, there are complaints about noise. It's currently the #1 Best Seller in Home Charcoal Air Purifiers and earns a score of 4.2 stars.

Review: Honeywell 50250-S 99.97% Pure HEPA Round Air Purifier, Contributors to, As of February 2015

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