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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) ?
Consumer Reports ?
|
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) ?
Consumer Reports ?
|
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) ?
Consumer Reports ?
|
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) ?
Consumer Reports ?
|
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) ?
Consumer Reports ?
|
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) ?
Consumer Reports ?
|
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 # 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
- Alen Paralda: HEPA filter, UV Light, ionizer. Room coverage of 400 square feet.
- Alen A350: HEPA filter, ionizer. Room coverage of 800 square feet.
- Alen T300: HEPA filter, UV Light, ionizer. Carbon filter for odor removal. Room coverage of 300 square feet.
- Alen A375UV Multi Gas: HEPA filter, UV Light, ionizer. Photo-catalytic oxidation for odor removal. Room coverage of 800 square feet. Also includes a remote control.
- Alen T100: HEPA filter, ionizer. Carbon filter for odor removal. Room coverage of 125 square feet. Marginally lower rate of particle removal compared to the other models.
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