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SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter Review

Est. $80
Reviewed
September 2014
by ConsumerSearch
SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter R

Cheap warm/cool mist humidifier

Pros
  • Quiet
  • Variable humidity
  • Produces cool or warm mist
Cons
  • No humidistat
  • May leak
  • Some durability problems

Bottom line

The SPT SU-4010 is an excellent option for consumers who are looking for a budget humidifier that is compact and can emit either cool or warm mist. There aren't too many bells or whistles on this model, but provided you pay close attention while filling its tank, it should satisfy most users' needs.

Breaking it down

Ease of use

Minimal features, but simple and effective humidifier: The SPT (formerly Sunpentown) SU-4010 humidifier is an excellent pick for those consumers who are looking for a straightforward machine with both cool- and warm-mist options. The large control knobs are easy to use, and users praise the SPT's dual nozzles, which rotate 360 degrees to pinpoint where you want the mist to go.

Moisture output

Fine mist, but some durability issues: This ultrasonic model can produce either warm or cool mist, enough to humidify 500 square feet of space. The moisture output can be adjusted with a manual dial, but there is no built-in humidistat. Users say that this humidifier produces plenty of fine mist. Its demineralization cartridge (called the Ion Exchange Filter) seems relatively effective as we saw fewer complaints of dust residue than with other ultrasonic humidifiers, though the SPT SU-4010 is not completely immune from that issue.

Noise

A low humming, but otherwise quiet: Most reviewers agree that the SPT SU-4010 is incredibly quiet. It generates a low humming noise when on, but most consumers and reviewers say that it is only nominally noticeable.

Ownership

Generally positive consumer feedback: While most reviewers are generally happy with the SPT SU-4010 humidifier, we found some who noted problems with leaking. Other reviewers say this can be easily fixed by simply paying closer attention to the washer when screwing the cap back on (it sometimes can become knocked out of place). However, most reviewers say that for a lower price than most ultrasonic models, SPT SU-4010 is a good buy.

Where To Buy
SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter

 (641 reviews)
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Our Sources

1. ConsumerReports.org

ConsumerReports.org has test results for 37 humidifiers, including the SPT SU-4010. The humidifier is rated on its output, ease of use, noise level, energy efficiency and ability to handle hard water. Some user reviews may also be found at this site.

Review: SPT SU-4010, Editors of ConsumerReports.org, Not Dated

2. TheSweetHome.com

The SPT SU-4010 is named a budget pick in this comparative review that includes hands-on testing. It has a few advantages aside from price when compared to the site's top pick, the Air-O-Swiss AOS 7135 (Est. $180) -- including the ability to raise humidity in a similar-sized space to a higher level. The major downside is the lack of a humidistat to monitor humidity levels so things don't get too moist.

Review: The Best Humidifier, Seamus Bellamy, Apr. 4, 2013

3. Amazon.com

The SPT SU-4010 receives an overall rating of 3.6 stars out of 5 from more than 600 users at Amazon.com. Owners say it runs quietly and produces plenty of good, fine mist. Its compact size is also a plus. However, we read several reports of problems with leakage and other mechanical failures. Others point out that taking care that a washer makes a good seal when reseating the tank cap eliminates most leakage issues.

Review: SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter, Contributors to Amazon.com, As of September 2014

4. AllergyBuyersClub.com

The editors of AllergyBuyersClub.com award the Sunpentown SU-4010 a rating of 4 stars out of 5 overall. Its strongest features include its quietness, ease of use and value for price, but it loses points for its flimsy construction and lack of features such as a built-in humidistat. Three users also weigh in, with two being totally pleased.

Review: Sunpentown SU4010 Ultrasonic Dual Mist Humidifiers, Editors of AllergyBuyersClub.com, As of September 2014

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