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Alen Air Purifiers

Overview

Alen makes portable air purifiers for a range of room sizes.  All but one unit uses HEPA filters and some include additional features like washable filters, UV lamps, and activated carbon for odor control.  None of the Allen purifiers have undergone clean air delivery rate testing.  If you are interested in these purifiers, we recommend looking at the pricier models that have stronger fans and are rated for larger rooms.  The smaller models may not move enough air to adquately filter a normal size room.

Alen Models

Alen A250 Ratings Technical Specifications

Est. Price - NA

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 270 Sq. Ft

Circulation ? : NA

Filter Type ? : HEPA Filter

Filter Life Est. ? : NA

Size: 17.1"H x 17.7"W x 6.1"D

Weight: 14 lbs

Noise Level: NA

Energy Star? ? : No

Alen A350 Ratings Technical Specifications

Est. Price - $399.12

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 800 Sq. Ft

Circulation ? : 225 CFM

Filter Type ? : HEPA (integrated Activated Carbon) w/ Washable Pre-Filter

Filter Life Est. ? : 6-9 Months

Size: 18.5"H x 17.5"W x 8.2"D

Weight: 16 lbs

Noise Level: 36-65 db

Energy Star? ? : Yes

Alen A375UV Ratings Technical Specifications

Est. Price - $421.67

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 800 Sq. Ft

Circulation ? : 217 CFM

Filter Type ? : HEPA w/ UV Lamps & Photo-Catalytic Oxidation Filter

Filter Life Est. ? : NA

Size: 21.42"H x 20.2"W x 9.9"D

Weight: 19 lbs

Noise Level: 36-65 db

Energy Star? ? : No

Alen Paralda Ratings Technical Specifications

Est. Price - $486.5

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 400 Sq. Ft

Circulation ? : 135 CFM

Filter Type ? : HEPA style w/ UV Lamp

Filter Life Est. ? : 6-9 Months

Size: 28"H x 7"W x 11"D

Weight: 15 lbs

Noise Level: 39-60 db

Energy Star? ? : No

Alen T100 Ratings Technical Specifications

Est. Price - $149.12

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 125 Sq. Ft

Circulation ? : NA

Filter Type ? : HEPA w/ Washable Pre-Filter

Filter Life Est. ? : 6-9 Months

Size: 15"H x 6"W x 10"D

Weight: 8 lbs

Noise Level: NA

Energy Star? ? : No

Alen T300 Ratings Technical Specifications

Est. Price - $299.12

Clean Air Delivery Rate (CADR) ?

  • Smoke - NA / 450
  • Pollen - NA / 450
  • Dust - NA / 450

Consumer Reports ?

  • Score - NA / 100
  • Dust/Pollen/Smoke
    (High Setting)
    - NA / 5
  • Est. Yearly Cost - NA

Room Size ? : 300 Sq. Ft

Circulation ? : 125 CFM

Filter Type ? : HEPA w/ UV Lamp & Activated Carbon Filter

Filter Life Est. ? : 6-9 Months

Size: 28"H x 9"W x 11"D

Weight: 12 lbs

Noise Level: 36-60 db

Energy Star? ? : No

Air Purifier Noise Chart - Decibel Ratings of Common Sounds

Source

Decibel Rating (dB)

Falling leaves

0-10

Whisper

10-20

Soft music

20-30

Mosquito buzz

40-50

Normal voices

50-70

Traffic sounds

70-80

Vacuum cleaner

80-90

Thunder

90-100

Chain saw

110-120

Rock concert

120-130

Pain threshold (jet take off)

130-140

Perforation of ear drum (gun shot)

160 and higher

Alen Company Info

Alen air purifiers are manufactured by the Austin, Texas-based Alen Corp., a relative newcomer in the field of air cleaners that has been in operation since the year 2005. According to Alen, the company's focus is on "quality, affordability, and sustainability"; it also prides itself on the quality of its customer service, as well as the lifetime warranty it offers on all its air cleaners.

In support of its claims to good customer service, Alen Corp. has a fairly well-done website at http://www.alencorp.com/ with ,information about the company's various products and how they work, as well as a comprehensive support section. They are also present on Facebook and Twitter.

Air Purifier Technology

Alen states that all of its purifiers are free of lead and ozone. All of Alen's products use a mix of technologies, which vary from model to model. For particles, these technologies include a special kind of HEPA filter, ultraviolet light, and ionizers. The HEPA filters used by Alen are coated with Silver Ion to kill microbes. Alen claims that this filter eliminates "up to 99% of bacteria, up to 50% of viruses that cause influenza, and 99% of airborne allergens."

The HEPA filter also works against substances such as dust and pet dander. Exposure to ultraviolet light hurts bacteria by damaging their DNA. The ionizing mechanism creates negatively charged particles than Alen says help fight pollen and dust, which are often positively charged. Note that not all of Alen's air cleaners use all three of these methods.

Odor and Gas Filtration

Also, some of Alen's offerings are designed to target odors and gasses. These models mostly use a carbon filter, but one, the A375UV Multi Gas, employs a different tool, known as photo-catalytic oxidation. Photo-catalytic oxidation is a complex process that, according to Alen, breaks up dangerous volatile organic compounds (VOCs) and renders them harmless. Results of tests performed by the company and published on its website claim that the A375UV resulted in about a 75% reduction in VOCs over the course of six hours. Again, though, note that only one model uses this process, and that some of Alen's purifiers do not claim to reduce gaseous pollutants at all.

Alen Air Purifiers - Cost and Availability

Alen purifiers are available from a variety of locations, both online and at brick and mortar stores. Vendors can be found on the company's website. You can also place an online order directly from the company. When purchased direct, Alen air purifiers cost as low as $149 for a low-end purifier designed for small spaces, to a high of $599 for their most expensive product. There are several purifiers covering the range between these two prices. It is possible that Alen cleaners might be found cheaper elsewhere under certain conditions, though ordering directly from Alen also means free shipping.

There are also diverse options for replacement filters, all of which run in the $50-$100 range. For the products that include ultraviolet lights, replacement bulbs need to be purchased every one to five years as well (depending on the model used).


Alen Air Purifier Models

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