Alen BreatheSmart Classic Large Room Air Purifier Review

Alen BreatheSmart Classic Large Room Air Purifier Review

We’re taking tens of precautions amid the COVID-19 lockdown, preventing to set foot outside the house wherever possible. But how about the enemy that’s omnipresent right inside the house? Do you know that the indoor air you breathe at home is invaded with copious microscopic pollutants in the form of bacteria, pollen, mould, and even pet dander (if you have one at home). All of these contribute to several allergies and airborne infections, much similar to Corona itself.

This is why you need a room air purifier that can filter out all unwanted impurities from indoor air, leaving you with 100% clean and fresh air for safe breathing when staying home. And, the leader in this is Alen, one of the top manufacturers of the highest-quality air purifiers designed carefully by experts so that you breathe clean and live safe. Its latest offering is the AlenBreatheSmart Classic Large Room Air Purifier, exclusively designed to cover large and wide open shared living spaces.

This particular air purifier model has had some equally remarkable predecessors – AlenBreatheSmart FIT50 and AlenBreatheSmart 75i, the company’s prized asset. After the successful response received by them all, Alen launched its AlenBreatheSmart Classic Large Room Air Purifier in the market, which earned immediate positive response as well. The product has been successfully tested for purifying air quality up to 1100 sq. ft. living area every half an hour. The best part – it does all this without a sound!

Alen BreatheSmart Classic Air Purifier Review

Alen BreatheSmart Classic Air Purifier Review
1. Coverage Area1100 Sq. Ft.
2. Quiet Operation Coverage690 Sq. Ft.
3. Filtration EfficiencyRemoves 99.97% of particles greater than 0.3 microns
4. CFM (airflow in Cubic Feet per Minute)Speed 1: 150 CFM; Speed 2: 185 CFM; Speed 3: 225 CFM; Turbo: 286 CFM
5. CADR300
6. Noise41.5 dB (whisper)
7. Power ConsumptionEnergy Star Certified – 105 watts on highest speed
8. Filter TypeHEPA Type
9. Filter Life10-12 months
10. WarrantyLifetime


  • Can cater large room or open spaces of up to 1100 sq. ft. 
  • Wide range of designer front panels to choose from
  • Four variants to address specific irritants predominantly
  • Ozone-free ionizer charges and removes polarized minute compounds in the air 
  • Unmatched lifetime warranty on all variants 


  • Uses HEPA type filters that aren’t universally standardized for efficiency at any minimum particle size retention

Check Latest Price

Top Air Purifiers Comparison Table

Air Purifier
Filter Type
Filter Life
1. AlenBreathe Classic
12 Months
1,100 Sq. Ft.
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2. IQAir HealthPro Plus
48 Months
1,125 Sq. Ft.
10 years
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3. Austin Air HealthMate+
60 Months
1,500 Sq. Ft.
5 years
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4. Coway AirMega 400S
12 Months
1,560 Sq. Ft.
5 years
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5. Dyson Pure Cool TP04
12 Months
Large Room
2 years
Check Price

1. Price

Alen products have always been specimens of value for money and this product is no different. Currently, the product is available at a starting price of $649; however, it completely justifies this price in every respect. Once you turn on the device in a room as large as 1100 sq. ft., you can easily make out the difference it brings to the quality of the air within a few hours compared other players in market like Coway & Levoit.

Compare this price with that of the product’s current competition in the market and Alen stands out here too. In fact, AlenBreatheSmart seems to be the first product in a long time that can effectively stand at par with BlueairClassic 480i, RabbitAir Minus A2 and Levoit Air Purifiers. AlenBreatheSmart may not come cheap but its superior performance, broader air filter, and excellent warranty truly make it worthwhile. Besides, its cost is still lower compared to similar top-end air filter models.

We can say that at this price, Alen is a perfect investment for a long time. Even the product’s warranty is much higher than the average lifetime warranty of 2 years assured for an air purifier. Even in terms of performance, Alen can easily beat the 5-year warranty period that Rabbit Air, Honeywell, or IQAir offer. Alen guarantees lifetime warranty as well as long service life for its air purifier. So we guess it’s a great deal at this price then.

2. Design & Size

Alen BreatheSmart Classic Large Room Air Purifier Review

AlenBreatheSmart is the company’s first model exclusively designed to cover large rooms and extra-large living spaces. The air purifier makes use of the best quality material to guarantee superior air cleaning. The model has been designed by airflow engineers from NASA and is a work of absolute precision. It is Alen’s best-looking model until now and is also certified by CARB (California Air Resource Board). Also, the air purifier comes with 14 different designer colour panels that can blend with your room interior.

Coming to the size of the product, its name itself suggests that the air purifier covers large spaces at least 1100 sq. ft. wide. Besides that, the product weighs about 21 pounds and measures 10 x 17.8 x 26.8 inches. The dimensions of the air purifier are quite acceptable for the expanse it covers. Compared to other large room air purifiers, the Alen Breathesmart Classic sits quite pretty in your house and does not look all bulky and mismatched. Besides, Alen’s products are known for their stylish looks and delicate appearance. So even though this one may feel way smaller than expected, owing to its dimensions, its performance beats that of its competitors.

Also, like its rival the GermGuardian AC9200WCA, AlenBreatheSmart Classic has its air filter right at the front of the device. The control panel is fitted with 7 buttons each indicating the air filter’s various functions. In terms of weight though, it definitely weighs way lesser than its competitors – Blueair Classic 480i (33lbs) and AIRMEGA 400 (24.7lbs). Its light weight and comfortable handle make Alen BreatheSmart a preferred choice.

3. Filters & Stages

Alen BreatheSmart Classic Large Room Air Purifier Comparision Chart

AlenBreatheSmart Classic is equipped with a HEPA type filter that is adept at capturing at least 99.97% of air pollutants up to .3 microns. The filter can effectively filter out dust, allergens, pollen, fur, pet dander, and other bad odours in the house.

To achieve this, AlenBreatheSmart HEPA air purifier makes use of 4 unique HEPA-type filters – HEPA Pure and HEPA Silver that provide more layers of protection against dust, mould, bacteria, etc. – HEPA Fresh Plus for filtering out fumes emanating from Volatile Organic Compounds (VOCs) like air fresheners, bleach and furniture polish, and HEPA Odorcell for removing odours from certain specific areas in the house like baby room and pet area. The filter type can however be a cause of concern for some people as HEPA type filters have been proven to be inferior to genuine True HEPA filters.

While HEPA-Pure can trap 99% of pollutants as small as 0.3 microns, HEPA-Fresh comes with an added Activated Carbon filter to remove common household smells like that from cooking and light smoke. HEPA Silver comes with 4 protection layers and has anti-microbial Silver-ion threads that prevent further growth of mould and bacteria. HEPA-Odourcellis the air purifier’s highest-level HEPA filter that has a unique Alen’s Molecular Conversion Powder with the ability to destroy the smells at the most molecular level.

But that’s not all. Alen has thought out its model’s air filtration pretty well. There is a pre-filter in place too for safeguarding the HEPA filter against large pollutant objects. This also increases the life of the HEPA filter. Besides, there’s an ioniser, also called ionic air purifier, which emanates negatively charged ions into the air.

These ions then attract positively charged ions that contain allergens. This results in a bond between the two types of ions, making the dust particles heavier than usual. As a result, the bonded pollutant particles fall trap to the physical HEPA filter.

When compared with its competition, AlenBreatheSmart can beat AIRMEGA 400 in terms of performance. The former can capture 99.97% of dust particles which are as small as 0.3 microns. Even the other rival Medify MA-112 falls a bit short in this range, stopping at 99.95%.

These results have been derived after a performance test conducted wherein AlenBreatheSmart, AIRMEGA 400, and Blueari Classic 480i were placed in a 300 sq. ft. room and left to run consecutively for 1 hour.

AlenBreathe Classic Air Purifier filters needs to be replaced after regular intervals. If you’re looking for something more permanent, you must look at our selection of best Air purifiers with permanent filter.

4. Room Coverage

Room Coverage of Alen BreatheSmart Classic Air Purifier

AlenBreatheSmart Classic is designed for large rooms, thus it can cover an area as big as 1100 sq. ft. Also, the air purifier does its job every 30 minutes so that the air in the room is always clean and healthy for you to breathe. You can use this model in large living spaces like living room, bedroom, basement, apartment, and open concept areas.

The model also works at least 3 times faster than its counterparts. The air quality sensor can be turned to auto mode wherein the sensor adjusts the fan speed for better air cleaning, especially when more number of polluting particles is present in the air. The air purifier’s CADR rating is 279 Dust/ 256 Smoke/ 300 Pollen (cfm).

Although this rating does deem to be slightly lower than what could be expected from an air purifier with a 11 sq. ft. coverage area, it’s relatively better than most other high-end models at the moment.A few examples include Rabbit Air MinusA2 and Honeywell HPA600B.

5. Sound

This model from the Alen family comes with an ultra quiet quality. The air filter is equipped with advanced WhisperMax technology that produces a pink noise which facilitates deeper sleep. It’s almost like a sleep machine that cleans the air too so that your sleep is as peaceful as can be. However, the noise level recorded for the device doesn’t compare just as well with its competitors.

White noise is created by combining many high and low frequencies together. It contains equal levels of low tones and high tones. Pink noise is less random. The low tone sounds in pink noise are present in higher levels than the high tones.

Pink noise blends into the background and provides a low, soothing tempo to sleep to. It significantly reduces, or irritates the high pitch sounds while retaining the low pitch, relaxing sounds. In fact, one study found that participants slept up to 25 percent better with pink noise than white noise.

Should you buy Alen BreatheSmart Classic Air Purifier?

If you don’t mind HEPA type filter over true HEPA filters, you can surely buy Alen BreatheSmart Classic air purifier. The air purifier comes with a lifetime warranty which is not offered by any company in the market. While everything else of the air purifier is comparable to other air purifiers for large spaces available in the market, it surely stands out with its design. If you’re looking for something more powerful, you must consider IQAir HealthPro Plus air purifier which comes with medical grade filter. A medical grade filter would be beneficial if you’re looking for an air purifier to get rid of viruses and germs.

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