Best Air Purifier for Dust Removal and Allergies (2017 EDITION)

Dust is literally everywhere and is impossible to stay in a place without any dust regardless how “dust-free” it is. What’s worrying to most people is the disease linked contaminants travel within the dust such as dust mites and skin flakes. In this best dust removal air purifier list we will dive deep into dust related issue, symptoms, the many alternate solutions and who is this for. We will also be looking at each air purifier effectiveness against dust via CADR, pre-filter filtration performance and lastly how extensive is the purifying coverage within an area. At the end of this post, you should find at least one of our hand-picked air purifier that suit your budget requirement and also do well against the never-ending dust.

What is dust allergies?

A common indoor allergy that often associate with dust mites, dust allergies usually occurred after housekeeping i.e. vacuuming and sweeping where dust contaminants where stir back up to the air. Inhaling to these contaminants could cause respiratory issue, diseases especially people with severe dust allergies that would often trigger an asthma attack. Other symptoms of dust allergies include breathing difficulty, sneezing, wheezing, coughing itchy watery eyes, runny nose, and nasal congestion. There are many treatment to dust allergies including medications, allergy shot or routine housekeeping, what we will be focusing on is the air purifier solution that primarily targets airborne dust.

How do we measure?

Dust CADR Industry standard measurement by AHAM (Association of Home Appliance Manufacturers). Dust CADR is measured by CFM (cubic feet per minute) on the amount of clean air flow that comes out of the air purifier. The higher its CADR score, the better it is against dust therefore we would highly consider air purifier with good CADR score. As not air purifier are tested for dust CADR, the following pre-filter measurement would prove to be more valuable as almost all air purifier comes with a pre-filter.
Pre-filter Dust are categorized under large airborne particles thus a good pre-filter would effectively trap continuous flowing dust or even hair. An excellent pre-filter would not only be long-lasting enough to trap a great deal of dust flowing inside the air purifier, it will also help pro-long HEPA and carbon filter lifespan by reducing each filters workload. What we want from the air purifier pre-filter is precisely at excellent level without any compromise or whatsoever.
Room size/ Coverage A key measurement in our book as dust is literally floating around every cover of the room. How purifying coverage/ room size measurement works is based on how frequent the air purifier would clean the air in a room. The higher the number of air changes the smaller purifying coverage an air purifier can cover in a room. What we want from the air purifier is too have sufficient purifying coverage at the lowest air changes per hour. Bonus point would also be given for air purifier that manage to cover well at maximum 4 - 5 air changes per hour.

Who is this for?

People who have dust allergies or constantly battling against stuffy/ runny nose, sneezing, red eyes and wheezing. Dusty environment, workplace, home or room due to many uncontrollable circumstances. Infant, children or elderly people that has a weaker immune system and are more prone to diseases. Lastly anyone that wants a "dust less" environment that has significantly less airborne dust and allergens.
For specialize asthma air purifiers that is excellent against asthma triggered allergens, please visit Best Air Purifier for Asthma and Allergies list.

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dust CADR
Dust CADR
pre-filter
With
coverage
Coverage

The mother of dust wiper, Blueair Pro XL is the ultimate machine you could get against the dustiest, dirtiest home you can find. Its 950 cfm Dust CADR is segment best at the point of this review. Having such an impressive CADR figure means Blueair Pro XL will trap a high volume of dust via its large trio Blueair Pro Particle Filter at an unbelievable velocity. Tally with that is the equally powerful airflow distribution and again segment best purifying coverage, Pro XL is ideal for large room-size e.g. offices, living hall and kitchen. This would also be the few air purifiers we would recommend for places with high air quality index (AQI).

As expected, the powerful airflow performance and high CADR clearly reflected on Blueair Pro XL bulkiness and weight. There is also the expensive price tag and high recurring filter cost. Unless you are staying close to an industrial area or construction site, you could either opt for the smaller Blueair Pro L, even smaller Blueair Pro M or Classic 605.
Retail suggested cost*
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Annual filter cost^
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dust CADR
Dust CADR
pre-filter
With
coverage
Coverage

Apart from Blueair Pro XL, Airgle AG800 has one of the highest dust CADR thus it has a respectable dust filtration VS purifying coverage. The consistent and swift clean air distribution is achievable mainly due to the outstanding pre-filter that capture dust particles along with its traveling partner (dust mites, skin, pollen and so forth). Extensive purifying coverage also means Airgle AG800 can cover a lot of grounds so you will have way less airborne dust to worry about. Add in the ultra-effective HEPA filter and chemical-grade odor filtration, you'll have a very capable dust air purifier that will also filter out bacteria, allergens, chemicals and odors.

Like Bluair Pro XL, Airgle 800 is beyond the reach of most people with its hefty price tag. It might be a great all-round air purifier with premium aluminum housing, most people would probably opt for cheaper alternative to suit their budget needs.
Retail suggested cost*
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Annual filter cost^
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Check price on Amazon
dust CADR
Dust CADR
260 cfm (442 m3/h)
pre-filter
With
Pre-filter (2 pack)
coverage
Coverage
1256 sq. ft. (117 m2)

When you have dust flowing from left and right, one pre-filter is never enough. That's why AIRMEGA 300 comes with 2 pre-filter with one on each side. Is it a marketing gimmick? Definitely not. AIRMEGA 300 absorb air from both side so it make sense to filter out dust and other large particle first so the inner HEPA and carbon filer would not be congested by dust particles. As a result, AIRMEGA 300 score an excellent dust CADR even at maximum air changes per hour well supported by its strong and consistent airflow distribution. Not bad for a newcomer brand.

AIRMEGA 300 has many other great practical features that we did not mentioned, but those features does incur an additional cost to the air purifier and this version is without the Wi-Fi connectivity addon. If you are looking for a pure dust elimination with minimal "practical features", the next item would probably suit you better. 
Retail suggested cost*
+- 649
Annual filter cost^
+- 100
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pre-filter
With
Large Particle Pre-filter
other filter
With
Medium Particle Pre-filter
coverage
Coverage
1500 sq. ft. (139 m2)

Austin Air HealthMate might not be officially rated in CADR, it is still a great dust remover and it has one of the widest purifying coverage. Supported by a decent 360 degree airflow delivery rate and trio pre-filter front-line, the outer pre-filter case might not be an effective dust collector, it does help reduce a certain degree of dust so the filter based pre-filter and medium filter would have a better capacity against dust particles. On top of it all, Austin Air 5 years filter lifespan is also another great selling point as there is no hassle and expensive yearly filter replacement.

The downside for Austin Air HealthMate as a dust remover is definitely the lack of features especially Auto mode where the air purifier would go on full blast when is not required. Also the machine based price is another tricky matter even though in long-run you would probably save up more than you would expect.
Retail suggested cost*
+- 539
Annual filter cost^
+- 43
Check price on Amazon
dust CADR
Dust CADR
320 cfm (544 m3/h)
pre-filter
With
HRF-AP1 Carbon Pre-filter
coverage
Coverage
465 sq. ft. (43 m2)

The air purifier that needs no introduction, Honeywell HPA300 is crowned best bang for the buck air purifier for many reason. It has high dust CADR, wide purifying coverage, dual function carbon pre-filter and top it all its inexpensive to own one. Compare with similar performance range air purifier,s, it is also less bulky than most dust air purifiers thus it will fit well in studio, apartment or bedroom with limited room size. Other than dust, Honeywell HPA300 is also very effective against dust mites, bacteria and household allergens thanks to the reliable HEPA filter.

What Honeywell HPA300 do lack its a permanent pre-filter where you can easily vacuum off any collected dust. The deodorization carbon pre-filter works great but it require yearly replacement and that is an extra recurring cost. Honeywell HPA300 also lack premium features but at this price point we can't complain much.
Retail suggested cost*
+- 299.95
Annual filter cost^
+- 108
Check price on Amazon
dust CADR
Dust CADR
300 cfm (510 m3/h)
pre-filter
With
Pre-filter
coverage
Coverage
1100 sq. ft. (102 m2)

Alen BreatheSmart is also an air purifier that has been featured many times in the best list and its hardly any surprise. It has high overall CADR, abundant of airflow speed, wide purifying radius and a permanent washable filter. Like Blueair Pro and AIRGMEGA, Alen BreatheSmart is modernly shaped, well-designed and it comes with swappable front panel cover that can be additionally purchase to fit into your home decor, Since the pre-filter is a standalone filter, there is no need to worry about filter replacement other than the HEPA filter. Speaking of HEPA filter, if your sole concern is on dust, the bundled HEPA-Pure would do just fine so no upgrade is required.

Its not the most expensive nor the cheapest in the list, Alen BreatheSmart does fall slightly short compare with top-of-the-line air purifier but we reckon the well-equipped features and lifetime warranty will do just fine.
Retail suggested cost*
+- 599
Annual filter cost^
+- 46
Check price on Amazon

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