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5 Best Air Purifier Units You Can Buy for Mold, Allergens, and More

You wouldn’t have clicked on this page if you weren’t interested in buying an air purifier. Chances are that you’re either suffering from allergies due to contaminated air or have a mold problem in your house, which is why you’re considering this investment.

Either way, an air purifier will go a long way to help your home feel fresh, get rid of odors, destroy pathogens, and filter everything else.

The Best Air Purifiers in 2018

Air Purifiers are mostly expensive – especially if you’re looking to buy ones that have multiple filters that can multi-task. Your money should be invested in a product that is reliable, easy to use, and performances up to expectations.

We’ve isolated what we believe are the five best air purifiers on the market right now based on their features, performance, and reputation. We also have a buyer’s guide at the end of the article to help you refine your purchase decision.

Best Overall

Best Overall

Rabbit Air MinusA2

The Ideal Air Purifier

The award-winning Rabbit Air MinusA2 is a powerful and highly customizable air purifier that features the advanced BioGS HEPA filters and an unmatched 6-stage filtration system that guarantees that your air stays free of mold, pathogens, dust, smoke, and everything else.

The Rabbit Air MinusA2 is by far the best air purifier on the market due to its unparalleled filtration system, customizability, and performance.

Best Value

Best Value

SilverOnyx Air Purifier

Affordable and Incredible

With the SIlverOnyx Air Purifier, you get a complete package that is ideal for small rooms and apartments. It covers an area of 500 square feet and features a HEPA air filtration system along with UV-C light and an ion generator.

There’s a reason why the SilverOnyx Air Purifier is an Amazon’s Choice product. At its price, it’s a great air purifier ideal for medium-sized rooms and small apartments.

Rabbit Air MinusA2

Rabbit Air produced an incredible air purifier in the form of the brilliant BioGS 2.0, but the company wanted to perfect its product even further. That’s where the Air MinusA2 came. This is not just the best air purifier for mold, it is in our opinion the best air purifier period.

The MinusA2 offers an unparalleled 6-stage air purification process that also features the BiosGS HEPA filter for eliminating allergens, dust, pollen, and mold particles. The filters used are of very high quality, lasting up to 3 years.

It also has an active carbon filter system. This filter system eliminates odors and chemical vapors from your home, and lasts up to 3 years as well.

What makes the MinusA2 by far the best air purifier is that it is extremely friendly for people with allergies. It operates at a buffed mode of 4x air changes per hour for those who have allergies and asthma, filtering the air at a much faster process. The area coverage is halved during 4x ACH mode, which his expected.

All these features are crammed in a modern design that is customizable at the time of purchase with varying color options. It can also be mounted on a wall or on a stand.

Simply put, the Air MinusA2 offers everything you’d ever want from an air purifier. It has a steep price point, but given what you’re getting, this is an incredible product and worth what you’ll pay for it.

Pros

  • Packed with features
  • Unmatched 6-stage purification system
  • Modern design
  • Great coverage of 700sqft
  • Highly customizable
  • Excellent for smokers

Cons

  • Expensive

IQAir HealthPro Plus

Many swear by the IQAir and consider it by far the best air purifier unit in the market. We do believe the MinusA2 has stood the test of time and is overall a better product, but we also understand why the IQAir is rated so highly.

For individuals with severe allergy problems, the IQAir is simply one of the best air purifiers out there. This machine uses what the company calls a hyperHEPA filter system. It is supposed to filter out particles that are larger than 0.003 microns, meaning mold spores have no chance whatsoever.

Additionally, this filter also has a V-5 cell gas and odor filter that helps in eliminating harmful gases as well as odors from your environment. This is ideal as it will get rid of the smell that comes from mold.

The IQAir HealthPro Plus has a coverage of 800 square feet, which makes it a powerful air filter. The unit is quite bulky and comes with wheels to make it easily moveable. The wheels though aren’t of the best quality, so you might need to find a way to permanently fix the air purifier somewhere – although that itself can be difficult due to its boxy design.

Several users have also stated that the IQAir is rather innocuous at lower settings and needs to be bumped up to higher levels to be effective. However, at higher levels this product can get a bit noisy.

Regardless, performance-wise this is an incredibly effective air purifier, particularly for mold and allergens.

Pros

  • Great performance
  • Eco friendly filtration system
  • High capacity
  • Excellent for individuals for allergies

Cons

  • Very expensive
  • Can leak out air
  • Noisy at more effective levels

SilverOnyx Air Purifier

You don’t have to pay a premium price to buy an excellent air purifier for mold. The SilverOnyx Air Purifier succeeds in doing that without setting you back nearly half a grand.

This Amazon’s Choice product trumps many other competitors that are up to four times more expensive with its simplistic design and highly effective performance. It has a brushless motor system that is very quiet during sleep mode and low operation.

This air purifier utilizes three of the air purification systems in one compact box. It uses the contemporary HEPA air filtration system as well as UV-C light to destroy germs and mold spores, and also an ion generator to eliminate bacteria and reduce static electricity.

Everything is controlled via an easy to use touchscreen on the air purifier. There are three digital indicators on top of the purifier that display necessary information such as the number of particles in the air and more. The SilverOnyx is rated with a coverage of 500 square feet.

Pros

  • Portable and simple design
  • Great value
  • Effective and reliable
  • Good coverage for the price

Cons

  • Some quality control issues known with this product

Alen BreatheSmart Antimicrobial Air Purifier

With a massive rated coverage of up to 1100 square feet, the Alen BreatheSmart is one of the most popular and well-known air purifiers on the market.

This highly customizable air purifier has a ton of options and features, which is rare in air purifiers. For one, it allows up to four different types of dedicated HEPA filters: Pure (allergies), Silver (asthma), FreshPlus (smoke and chemicals), and OdorCell (to eliminate odors). This allows you to personalize the machine to create an air purifier that is specifically dedicated to tackling the problems that you’re facing.

Not only that, it also offers you to customize the aesthetics. With an option of 14 different front panel colors, you can match the air purifier with the décor of your home.

The Alen BreatheSmart Air Purifier isn’t just a hollow shell that offers different options though. It’s a highly intelligent and top functioning air purifier. It has a Smart Sensor that measures the pollutants in the air, and in response automatically adjusts the air cleaning power. This saves energy and extends the filter life.

Pros

  • Highly customizable
  • Incredible coverage of 1,100 sqft
  • Excellent, sleek design
  • Smart operation
  • Efficient and reliable

Cons

  • Expensive
  • While customizable, it can’t perform all functions at once

Austin Air HealthMate

The Austin Air Healthmate air purifier brings back the old school minimalistic air purification system to those who just wish to turn a dial and let the machine do the work. This is a simple looking air purifier that is meant to handle huge volumes of air.

Right off the bad, this thing looks like a tiny room refrigerator with a dial on the top right corner. The machine is an all metal construction that handles high airflow.

It is advertised to cover a range of as high as 1500 square feet. This is the highest coverage in our list and is arguably one of the highest for a portable air purification system in the market.

The huge coverage is without doubt the HealthMate’s most striking feature. It is perfect for large open rooms and big houses.

The Austin Air HealthMate utilizes filters that have no frills and no smart functionality. There are no sensors and no timers. It’s practically a plug and play device.

While this is a major upside for many who do not want complicated controls to fiddle around with, it is also a negative. The air filter needs to be manually turned on and off, and there is no hard data to tell you if it is effectively working. It is also very loud on medium and high powers.

Pros

  • Minimalist’s dream
  • Incredible coverage of 1,500 sqft
  • Very sturdy build
  • High filtration efficiency

Cons

  • Noisy on medium/high power
  • No smart features or controls

Buyer’s Guide

    The filtration system used in the air purifier is the most important part that needs to be considered. For mold, you want an air purifier that has a multi stage filtration system.

    This means that the air goes through multiple filters to get purified. The more stages it passes through, the higher the efficiency and purification of the air. You’ll end up with fresh, clean air free of allergens, dust, and microbes that is breathable and feels good.

    HEPA Filters

    We highly recommend that you get an air purifier with a HEPA style filter. These filters have very high efficiency and are extremely effective at removing not just mold but also other types of allergens and pathogenic organisms.

    HEPA style filters usually come with a pre-filter that prolongs the life of the main filter.

    There are various types of HEPA filters, and not all of them are equal in quality.

    True HEPA filters are the highest quality and meet the strict regulations set by DOE (Department of Energy of USA). There are variations such as the BioGS HEPA filters which improve the filter’s lime span by reducing build-up particles.

    HEPA-type filters do not meet the standards of DOE, but they can work decently for molds. They will not however be as effective in capturing smoke, pathogens, and other particles smaller than 5, 3, or 1 microns.

    Other Filters and Equipment in the Stage

    In addition to the HEPA filter, some air purifiers will come with additional filters such as Activated Carbon Filters for smokes, pets, chemicals and gas; Ion generators for destroying bacteria and pathogens; and UV-C Light that kills pathogens.

    Other additional features such as sensors, touch screens, and smart features do not determin the performance of the air purification itself, but they do give the user a lot of convenience.

    Automated air purifiers detect the number of particles in the air and adjust their power and filtration system based on that. Additionally, some have light sensors that will put the machine into sleep mode for a quieter and more energy efficient operation at night time.

    Whether you need these additional features will ultimately depend on you and the size of the area you wish to use the purifier for. Generally, larger apartments benefit greatly from automated and smart features that can automate and regulate the air purifier.

    Coverage is an important factor during the purchase of an air purifier because you want the air of your entire room (or even apartment, if that’s what you’re going for) to be purified. This aspect of an air purifer is easy to understand and easy to spot while purchasing – just be mindful of it.

    One thing that isn’t advertised or indicated as easily is the air change per hour, or ACH. This is the amount of air that is purified per hour. Folks with allergies will want air purifiers with a very high ACH value. More power is usually consumed, and the purifier usually runs at greater noise when at a higher ACH.

    Some purifiers allow for the adjustment of ACH. Note that increase the ACH of an air purifier decreases its effective coverage area.

    What exactly are HEPA filters?
    HEPA stands for High efficiency particulate air. As the name suggests, these are high quality filters with the ability to capture 99.97% of particles that have a size great than or equal to 0.3 microns.

    Is there anything I can do in addition to a purifier to prevent mold growth?
    Air purifiers will filter the air but they won’t change the environmental conditions that are promoting the growth of mold in the first place. Mold growth occurs in warm conditions with a humidity level from 70% to 90%. You should also try to prevent leaks from the plumbing system to dampen the walls, which his one of the most common causes of mold growth in houses.

    I don’t need all the fancy features, so are there any purifiers that exclusively remove mold?
    You don’t need all the fancy features, but it’s always beneficial to have an air purifier that removes mold as well as other microbes that could promote allergies and disease. All true HEPA filters can remove particles up to 0.3 micron in size, which is more than enough to get rid of mold.

    Are all air purifiers effective against smoke too?
    No, not all air purifiers are good at eliminating smoke. Most of them will eliminate the smell to some extent, but they won’t be able to remove the smoke entirely. You will need to look at the features of the air purifier you are buying to see if it can remove smoke. For that, you need one that has an Activated Carbon Filter.

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