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Alen T500 Air Purifier

  • Item #: AL0032

Alen T500 Air Purifier

Alen T500 Air Purifiers are Energy Star Rated!Newly redesigned, the Alen T500 tower air purifier delivers particle filtration of the allergens that affect you the most. Lighter and more compact that the T300, the new T500 offers HEPA style filtration of dander, pollen, dust, and other environmental particle allergens that commonly cause allergic or asthmatic reactions. The slim profile and small footprint make this ultra-quiet air purifier the perfect addition to any small to medium sized room, dorm room or even at work. An optional ionizer (produces no ozone) can be used to increase filter efficiency, and a convenient indicator lets you know when to replace the filter. Ultra quiet, the T500 is near silent on its lowest setting and produces soothing white noise at higher speeds. For light to moderate allergies and asthma or anyone concerned with their indoor air quality, the Alen T500 tower air purifier is an economical way to breathe better.

*Please note that the following air purifiers cannot be shipped to Canada: the Alen BreatheSmart, the Alen T500 Tower, and the Alen Paralda. They are not Canadian safety rated.


  • Combo Prefilter/HEPA Filter All-In-One reduces replacement costs of multiple filters
  • Effective for removing particles allergens like dander, pollen, mold spores, etc. than can trigger allergic reactions
  • 3 fan speed settings
  • 12-hour timer
  • Captures 95% of all particles 0.3 microns or larger
  • Built-in, optional ionizer increases filter effectiveness and produces no ozone
  • Smart Filter Timer lets you know when it's time to replace the filter
  • LCD display with simple, intuitive touch-button controls
  • Unique safety feature with power auto-off protection when cover removed
  • Limited Lifetime Warranty with regular filter replacement (every 6 months)

Alen T500 Air Purifier - A Closer Look

Alen Air Purifier Filter LayersWith three types of filters available for the Alen T500 air purifier, what are the differences? First, the HEPA-Fresh filter is the standard filter with the T500. It has some light odor control abilities but is predominantly for particle filtration. The dust mite allergen, mold spores, pollen, etc. are all particles that this filter targets. This is a very basic filter but does the job for most people dealing with allergies.

If VOCs, pathogens, bacteria and viruses are a concern, consider the HEPA-Silver filter. This filter uses the same media to trap particles but also employs a separate layer of filtration that targets germs and microbes. In addition to that, the last layer of activated carbon filters out VOCs and other chemical compounds.

The last filter type, HEPA-OdorCell is designed to tackle odors with Alen's patented MCP (Molecular Conversion Process) technology. This layer is designed to eliminate the toughest odors, in addition to filtering out particle allergens.

Customer Reviews

1 Item(s)

So quiet
So quiet i have to keep checking if its actually I've had the T100 going steadily in my bedroom for the last two years. It too is incredibly quiet. It's getting a little tired and weezy so i put it in another room. Bought a 500 for the bedroom and another for the living room. I have dust mite allergies and i'm not a very fastidious house cleaner. I think they help.
Review by Allergic to dust mites / (Posted on 4/7/2015)

Alen T500 Air Purifier Reviews

Alen T500 Tower Air Purifier

The T300 air purifier was a great selling model for Alen, but as with most things, eventually it was due for a change. Taking some of the best components from that model, Alen now introduces the T500 air purifier. A tower air purifier similar to the T300, the new T500 offers HEPA style filtration in a compact, economical package. So how does this new model compare to its predecessor? Here's what we found when we compared our showroom model of each.

What I like about the Alen T 500 Tower

A full three pounds lighter, the T500 is more compact and fits right into most rooms, on tables, desks or the floor. Ideally, this model works best in a small to medium sized room, like bedrooms, dorm rooms, office cubicles, or even nurseries. With the CFM that the T500 has, any larger than this and you're going to get fewer air exchanges per hour.

Filter options are another nice plus to this model. The standard filter is similar to a basic HEPA filter, as it focuses mainly on particle allergens and irritants in the air, like pollen, pet dander, dust mite allergen, mold spores, etc. The prefilter is washable (rest of the filter is not), but should you need more specialized filtration, say a focus on removing microbes, bacteria and viruses or a focus on smoke, odors and VOC's, there are a couple other filter options available that integrate activated carbon or silver technology to achieve these more specific filtration goals.

Optional ionizer. They key to this is the "optional" part. One of my biggest complaints with some air purifiers is that the ionizer is not optional. With the T500, if you don't want it on, simply turn it off. Though I've never been a big fan of this style of filtration, that fact that it is optional AND that is does not produce any ozone make it a decent option.

As an Energy Star qualified appliance, the Alen T500 tower uses very little power. Even with continuous operation, power consumption will be less than if you kept a 60 watt light bulb on. So the yearly impact on your electric bill will nearly be unnoticeable.

The warranty is a big plus with any Alen air purifier. They back each of their products with a limited lifetime warranty, which is far better than air purifiers that cost four to five times as much.

What I do not like about the Alen T 500 Tower

My biggest issue with the Alen T500 air purifier is the lack of a true HEPA filter. The HEPA style filter of this model provides the equivalent of N95 filtration (95% of particles 0.3 microns or larger). This standard meets the CDC recommendation for preventing the spread of things like the flu, and it also provides enough filtration for light to moderate allergy and asthma sufferers. No matter how well this type of filtration works, it doesn't change the fact that the industry as a whole, uses HEPA as the benchmark.

Overall, the Alen T500 is easy to use, blends right into most rooms, is lightweight, has a great warranty and will provide decent particle filtration for most folks dealing with allergies or asthma. For heavy odors, chemicals or smoke, you'd want to consider another model, and the filter does need to be changed about twice a year. The initial cost is fairly inexpensive, and the lifetime warranty surpasses most others available. Provided your filtration needs match the T500, this model will be a good fit for most people.

Product Questions

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Alen T500 Air Purifier Specifications

Recommended for: Allergy & Asthma sufferers who want a tower style air purifier with HEPA filtration.
Recommended Room Size:       
225 sq. ft. (4 ACH)
Pre-filter: Yes, washable foam
HEPA Filter: No, HEPA-style particle filter
Carbon Filter: No, optional with either HEPA-Fresh, HEPA-Silver or HEPA-OdorCell Filter Purchase
Filter Change Indicator: Yes
Average Filter Life: 6-8 months with continuous use
Dimensions: 10" x 6" x 22"
Shipping Weight: 12 lbs.
Weight: 9 lbs.
CFM: 48, 83, and 130 CFM
Noise Level: 42 - 56 dBa
Power Consumption: 53W (Max)
Warranty: Limited Lifetime Warranty (with regular filter replacement)
Interface Control Type: Digital, push button control
Remote: No
LCD Display: Yes
Timer: Yes
Approvals: EnergyStar, CS
+'s: Quiet, energy efficient, compact and lightweight
-'s: Coverage area could be larger, lacks true HEPA filtration

Alen T500 Air Purifier Additional Resources

Alen T500 User Manual     Alen T500 Owners Manual