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Here are the Best Air Purifiers for Mold, Mildew, and Virus Used at Home

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If you meet any difficulty in preventing mold spores from attacking your house as well as your health and your family members, what you need at this point is an air purifier.

For this reason, we would like to show you useful information, buying tips, and more importantly, the top 10 best air purifiers for mold, mildew, and virus.

What are you waiting for?

Jump straight to our list below and then pick the most satisfactory air purifier for your home right now.

Top 10 Best Air Purifiers for Mold, Mildew, and Virus in 2020

#1 – GermGuardian AC9200W Air Purifier

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When it comes to getting rid of mold spores, viruses, mildew, allergens, or other harmful air pollutants, GermGuardian air purifiers are considered as the best.

Amongst, GermGuardian AC9200W is introduced as the 2020 flagship.

Specifications

Dimensions  9.8 x 17 x 27 inches
Item Weights 20.3 pounds
Fan Speeds 3 speeds
Room Coverage 335 sq.ft
Filter Types Pre-filter -> true HEPA filter -> activated charcoal filter -> UV-C Light
CADR Smoke 216, Pollen 265, Dust 216

Highlighted Features

A 4-stage air cleaning system

As its name suggests, the GermGuardian AC9200W is a 3in1 air purifier since it comes with a 3-level filtration system including a pre-filter, a True HEPA filter, and an activated charcoal filter.

Besides, this unit includes a better improvement to offer the greatest efficiency; that is, an UV-C light.

So, what does every filter do?

  • The pre-filter is a normal screen that is able to seize large dust particles. Its main task is to extend the True HEPA filter life.
  • The True HEPA filter plays a vital part to filter up smaller particles (about 0.3 microns) such as mold spores, dust, plant pollen, and pet dander.
  • The activated charcoal filter lessens odors from pets, cooking, smoking, etc.
  • The UV-C Light is the latest feature that helps kill germs, mold spores, viruses, and airborne bacteria without using chemicals. It also delivers no ozone or chemical sprays.

Tested and verified by reputable organizations

The CARD ratings of the GermGuardian AC9200W are tested and verified by AHAM over a space of 335 square feet.

Additionally, its energy-saving ability got the Energy Star certification by satisfying strict energy efficiency guidelines set by the US EPA.

Design and size

With a whole polished plastic body filling, this air purifier might be big and wide for some. But it feels much more aesthetic thanks to the curling angles and an elegant handle on top that are only available in this brand.

Drawbacks

The BIG problem is all about the sound.

Some complained that the noise level of this device is higher than the others, especially if you select the highest setting. But you can adjust the setting in case you need to work in silence or when you go to bed.

Pros

  • Attractive design for any room
  • Efficient filtration
  • 3 different fan speeds
  • Certified by well-known organizations
  • 3-year warranty

Cons

  • A bit noisy in the highest setting
  • No rubber on the bottom

Verdict

The GermGuardian AC9200W is one of the mid-range air purifiers with a good-looking design and an impressive air cleaning system. And it will never let you down in removing germs, viruses, mold, mildew, etc.

#2 – GermGuardian AC4825 Air Purifier

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If you cannot afford the 3in1 True HEPA air purifier above, yet still love the GermGuardian brand, try to look at the AC4825.

Specifications

Dimensions  9 x 5.5 x 21.5 inches
Item Weights 7 pounds
Fan Speeds 3 speeds
Room Coverage 167 sq.ft
Filter Types Pre-filter -> true HEPA filter -> UV-C Light
CADR Smoke 108, Pollen 125, Dust 118

Highlighted Features

3-step process in one

This unit is impressive in its capacity to catch dust and remove odor thanks to the three-part air filtration process.

First off, the air goes through the pre-filter and activated charcoal filter. Here all of the large particles and pet dander will be caught while the odors from smoke and animals will be eliminated.

The first filter is vital for increasing the HEPA filter’s lifespan and enhancing air quality by reducing odors. Also, it is easier to open and clean off or replace.

Next, the True HEPA filter continues catching fine particles such as dust mites, pollens, and anything that might cause your allergies and asthma.

Since it is able to filter 99.97% of particles that are as small as 0.3 microns, the air surrounding your home will be cleaner.

An important note that you must do is to replace this filter every 6-8 months (and the replacement price is quite high).

The last layer is the UV-C light that helps to destroy germs and airborne bacteria. Moreover, it helps to activate titanium dioxide in the machine in order to decompose any harmful molecules.

Low price

For the capacity, technology, and the energy star rating, the AC4825 is one of the best value air purifiers you can buy for use in small to medium rooms.

Honestly, there aren’t many devices that can perform as good a job as this one, for the price as affordable like this one.

Drawbacks

We found some complaints about the blue light of the UV-C light, especially in a dark room. Although it is safe to look at, it is still distracting.

The simple way is to put dark tape or electrical tape over it to block the light. Or you can turn off the UV by hitting the button on the top, but it is not a good idea.

Additionally, if you are going to use the AC4825 for large rooms, please consider it since it works well in an area of 167 square feet.

Pros

  • Reasonable and energy-efficient
  • Sleek style, nicely fits in any room
  • Great performance in purifying the air
  • 3-year warranty

Cons

  • Still noisy in the highest setting
  • High cost for the replacement

Verdict

The GermGuardian AC4825 is a clear-cut and get-the-job-done air purifier that can clean the air in ways and has an affordable price that its competitors cannot beat.

#3 – SilverOnyx Air Purifier

Do not judge SilverOnyx air purifier by its size since this compact and lightweight machine has everything you need.

Check it out now!

Specifications

Dimensions  10 x 10 x 16 inches
Item Weights 5.15 pounds
Room Coverage 500 sq.ft
Filter Types Mesh preliminary filter -> True H13 HEPA filter -> Activated carbon filter -> Negative ion Generator -> UV light sanitizer
Fan Speeds 5 speeds with Auto Mode

Highlighted Features

5 stages of filtration

A 5-stage air filtration process is truly a signature that makes the SilverOnyx stand out from other air purifiers in this price range.

  • The mesh preliminary filter plays an important role in catching large particles like pet hair and dust.
  • The True H13 HEPA filter continues trapping smaller allergens like pollen, mold, and smoke. It is capable of eliminating 99.97% of dust and allergens up to 0.3 microns in size. Furthermore, it has a 60% larger surface area than flat filters with the same weight.
  • The activated carbon filter helps reduce household odors from mustiness, cooking, or pets.
  • Meanwhile, the negative ion generator allows negative ions to improve air purification and refresh the air.
  • Finally, the UV light sanitizer will get rid of harmful elements in the air, making the surrounding indoor air safer.

Ideal for large rooms

Although this device is compact, it easily covers an area of 500 square feet as advertised. No matter where you are going to put it in your mid-size bedroom or a large living room, it does an excellent job.

Just note that it needs a long time (about 6-8 hours) to completely remove 99.97% airborne particles because of the low CADR.

Smart sensors

A Smart Sensor automatically adjusts the airflow to make sure the air is the highest quality. Since this feature is often available in high-end devices, it truly gives more value to the SilverOnyx.

Drawbacks

The major problem is all about the loud noise, especially if you set the machine on the highest fan speed. But the lucky thing is that you don’t need to use this setting often, except the air gets too dirty.

So, it is okay to stand the noise for a few minutes.

Pros

  • Compact and sleek
  • Good for large spaces
  • Great performance with 5 stages of filtration
  • Auto mode
  • Easy to use
  • Worth the price

Cons

  • Low CADR
  • A bit loud

Verdict

If all you need is an air purifier for a large space that can perfectly fit on the shelf or table, the SilverOnyx is truly a nice pick due to its powerful air purification performance.

#4 – Airthereal APH260 Air Purifier

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For some, Airthereal is an unknown manufacturer of air purifiers.

But the truth is that it produces lots of fantastic products. Amongst, the Airthereal APH260 is an excellent choice that we would like to introduce to you.

Specifications

Dimensions  13 x 6.7 x 21.2 inches
Item Weights 10.4 pounds
Fan Speeds 3 speeds
Room Coverage 355 sq.ft
Filter Types Pre-filter -> true HEPA filter -> activated carbon filter -> UV light -> Anion density
CADR 152 CFM

Highlighted Features

Filtration system

As compared to the air purifiers above, this machine boasts seven different filtrations, yet still has the major filter – the True HEPA filter.

As you know, this filter guarantees to eliminate 99.97% of airborne particles and air pollutants. Besides, other filters stand as a support system and make the process fast.

The APH260, of course, comes with a pre-filter that works as a shield to protect the true and powerful HEPA filter from large particles.

Moreover, it is fitted with an activated carbon filter which is attached with four different filters including Nano mineral, molecular, photocatalyst filter, and cold catalyst filter to remove all the bad odors.

Next, the UV light ensures that nothing develops inside the machine by killing viruses, bacteria, mold, and germs.

But the final layer is what we love most; that is, Anion Function. This tech is a kind of ion generator that creates ozone. As a result, the air surrounding your home is always fresh and clean.

Some smart features

Equipped by a smart particle sensor (PM2.5), the Airthereal APH260 automatically determines the air quality in your living space and then starts cleaning.

Ever so wonderfully, if the PM2.5 light turns red and keeps flashing, that means it is time to replace the filter.

The Scheduled Timer is also a cool feature since it allows you to set the time as you wish. Even when you are away from home, you are sure that you enjoy the good air after coming back.

Drawbacks

Again, the loud noise and a sparkling light are BIG issues that many customers reported.

However, in our opinion, you can deal with it by selecting Sleep Mode, especially when going to bed. This function reduces the lowest noise level as well as turning off the indicator lights.

Pros

  • Lots of settings, yet easy to use
  • Automatically adjust the air
  • High CARD
  • Low maintenance cost
  • High-end filtration system
  • High fan power

Cons

  • A bit loud
  • No remote control

Verdict

The Airthereal APH260 is an all-in-one air purifier. It is modern aesthetics that easily fits in any room as well as delivering a great deal of filtration power to make the air clean all the time.

#5 – Pure Enrichment PureZone Elite 4-in-1 Air Purifier

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The next outstanding air purifier for mold, mildew, and virus is the PureZone Elite from Pure Enrichment, a famous California-based air purifier brand.

Specifications

Dimensions  11.2 x 9.8 x 27 inches
Item Weights 9.5 pounds
Fan Speeds 3 speeds
Room Coverage 190 sq.ft
Filter Types Activated carbon pre-filter ->True HEPA filter -> UV-C light + Photocatalyst filter -> Ionizer
CADR 120 CFM

Highlighted Features

A 4-stage air purification process

Like the 3-in-1 air purifiers, the PureZone Elite also comes with an activated carbon pre-filter for large particles as well as reducing bad odors, and the True HEPA filter for spores, pollen, etc.

Meanwhile, the UV-C light is paired with a photocatalyst filter to efficiently destroy microorganisms by adding a deeper level of air sanitation.

And the last filter includes an ionizer inside the device. So, when ions are released, they will attach to allergens and pathogens in the room and then neutralize the “dirty” particles to make their air clean and fresh.

Smart sensor

This air purifier has a color-coded LED lighting system that can keep track of the room’s air quality. For instance, the red color indicates poor air condition, orange for average air, and blue for good air.

And thanks to the Auto-mode, the machine automatically adjusts the fan speed to improve the quality of the indoor air.

Energy efficient

With three different time settings including 2, 4, and 8, it helps save energy and extend the product’s life by automatically turning off.

Drawbacks

The major hindrance is that this device is not ideal for large rooms because of its weak fan power and low CADR.

Just consider another option if your room is too big, okay?

Pros

  • Modern design
  • Built-in lift, easy to move
  • Excellent auto function
  • Simple and intuitive to use
  • 5-year warranty

Cons

  • Not for large places
  • Too bright LED lights

Verdict

The Pure Enrichment PureZone Elite comes with a decent performance yet solid build for the price. Although it has some small drawbacks, it is reliable and convenient to use, especially in the low-range segment.

#6 – InvisiClean Aura II Air Purifier

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Also fitted with 4 different filters like the PureZone Elite, InvisiClean Aura II air purifier offers a high performance to get rid of any smoke, dust, dander, odor, etc. from the air you breathe.

Let’s find out!

Specifications

Dimensions  12.34 x 6.25 x 17.75 inches
Item Weights 10.95 pounds
Fan Speeds 3 speeds + Turbo
Room Coverage 319 sq.ft
Filter Types Activated charcoal pre-filter ->True HEPA filter -> UV-C light -> Ionizer
CADR 170 CFM

Highlighted Features

4 excellent filters in 1 unit

The combination of 4 different filters including activated charcoal pre-filter, True HEPA filter, UV-C light, and ionizer that make the InvisClean Aura II effectively capture 99.97% of harmful substance and reduce bad odors.

Meanwhile, the UV-C light can destroy viruses, bacteria, and germs, the ionizer helps lessen airborne dust and particles for the fresh and clean air.

Powerful fan speeds

This product does not only come with three different speeds as low, medium, and high but also has Turbo for maximum effectiveness.

Based on four air changes per hour rating and the CADR rating of 170 cfm, you can put in in a room of over 320 square feet without worrying.

Quiet operation

This second version truly does a good job of decreasing the noise level while operating. As the lowest setting, it is only 31 decibels that just like the whisper.

Efficient energy

Thanks to a low MF radiation DC motor, the Aura II provides double the air output yet still uses up 82% less electricity than other devices in its class.

Even if you run it on the turbo mode for a time, the power consumption is great.

Drawbacks

In terms of performance, this air purifier might surpass the PureZone Elite. However, it lacks a smart sensor to automatically control the fan power to fit the real-time air quality.

Additionally, we found some complaints about the loud noise when turning on the turbo mode all night.

Pros

  • Pleasant design
  • Small yet powerful
  • Good in improving the air quality
  • Powerful DC motor, yet still save energy
  • 3-year warranty and lifetime support

Cons

  • Quiet in low mode, not the turbo one
  • No smart sensor

Verdict

The InvisiClean Aura II boasts a good all-around air filtration system and a stronger fan power as compared to other air purifiers for this price range.

Moreover, it keeps power consumption as low as possible that means it helps to save you a lot.

#7 – TruSens Z-3000 Air Purifier

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Amongst the best air purifiers for mold, mildew, and virus, TruSens Z-3000 stands out for futuristic unconventional design and high-end technology.

Specifications

Dimensions  12.99 x 13.19 x 31.89 inches
Item Weights 17.97 pounds
Fan Speeds 5 speeds
Room Coverage 750 sq.ft
Filter Types Washable pre-filter -> Carbon filter -> True HEPA filter -> UV sterilization

Highlighted Features

4 levels of purification

The 360-degree DuPont air filter of this machine is a powerful combination of the True HEPA filter and UV sterilization.

While the remaining filters play an important part in capturing pollutants like allergens, microscopic particles, and VOC gases, the UV sterilization helps eliminate germs and viruses that can develop on the filter, stopping re-circulation of live germs.

Smart sensing

A detachable air quality sensor, which is called a SensorPod, is one of the most excellent features of the TruSens Z-3000.

Just put it across your room and then this unique remote will automatically keep track of the air quality and contact the air purifier so it can automatically control the fan speed.

As a result, you are guaranteed to enjoy the fresh and clean air all the time.

Dual airflow

Instead of delivering unidirectional airflow, this device is able to split and deliver the cleaner air into two streams throughout the room effectively thanks to its PureDirect Technology.

Ever so wonderfully, this feature has been proven to be up to 24% more efficient.

Drawbacks

While the air purifiers above come with an affordable price tag, this one is quite high, especially for those who have a limited budget.

Additionally, replacing the filters after a time is a BIG issue.

But it is worth considering because these excellent features ensure your whole room benefits from the purified air.

Pros

  • Cosmetically pleasing design
  • Perfect for large rooms
  • Unique remote sensor to read the air quality from 49 feet away
  • Large digital readout
  • Smart reminder for replacing the filter

Cons

  • Expensive price for some
  • Still loud in the highest setting

Verdict

Equipped with smart pollutant sensor technology, the TrueSens Z-3000 does pretty much everything in detecting and preventing allergens and dust mites from a distance.

#8 – Vornado PCO575DC Air Purifier

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Vornado PCO505DC is the latest version of Vornado – a well-known company for air purifiers and household fans in the US.

Specifications

Dimensions  11.8 x 15.5 x 24 inches
Item Weights 22.9 pounds
Fan Speeds 8 speeds + Quick clean
Room Coverage 258 sq.ft
Filter Types Permanent pre-filter ->True HEPA filter + Advanced carbon -> UV bulb-> Silverscreen trays
CADR Smoke 166, Pollen 192, Dust 175

Highlighted Features

Smart technology in the purifying process

Similar to some air purifiers, this one also comes with a permanent and washable pre-filter to extend the True HEPA filter by capturing large particles such as large dust, hair, and fur.

Then the combination of the True HEPA filter and activated carbon filter helps to trap 99.97% of particles as small as 0.3 microns as well as eliminating the mold odor and chemicals.

Next, the UV sterilization continues dealing with the remaining mold, mildew, and viruses.

But what makes this machine outstanding is that it is paired with the patented Silverscreen technology, which is indeed the Photocatalytic oxidation process.

It is known as a great support to the UV bulb filter in breaking down any Volatile Organic Compound into harmless molecules including H2) and CO2.

Advanced controls

Thanks to advanced sensors, the Vornado PCO505DC keeps track of dust and odor levels and then automatically adjust while delivering a visual air quality indicator through colors like red – poor, orange – average, and green – good,

As a result, you never worry about selecting the proper setting that meets your demands or knowing how clean the air surrounding you is.

Another excellent point is that this unit reminds you when you should replace the filters through the Automatic Notification.

Ideal for bedtime

If you worry about the LED light or noise when using the air purifier at night, this one won’t bother you at all.

Just choose the Sleep Mode, the light sensor is automatically in low light condition while the sound is nearly silent.

Drawbacks

Some prefer a “return to what they were doing” when the power goes back on because this device shuts off after even a short power failure.

In fact, this is a rare feature in air purifiers. So, the best solution is to press the power button and start again.

Pros

  • Impressive tech in the air filtration system
  • Excellent air quality indicator
  • Basic and functional touch controls
  • Easy to lift with a handhold
  • Excellent warranty

Cons

  • Still loud in the high setting
  • Some prefer a remote control for a full kit

Verdict

The Vornado PCO505DC is really a nice pick since it effectively eliminates all of the germs and bacteria floating in the air thanks to the patented Silverscreen tech.

#9 – RabbitAir MinusA2 SPA780A Black Air Purifier

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RabbitAir MinusA2 SPA780A stands out of the crowd thanks to its lovely design, an excellent air filtration process, and a few cool features.

Specifications

Dimensions  24 x 22.8 x 10 inches
Item Weights 19.4 pounds
Fan Speeds 5 speeds
Room Coverage 815 sq.ft
Filter Types Pre-filter -> Medium filter -> BioGS HEPA filter -> Customized filter -> Charcoal-based activated carbon filter -> Negative Ion Generator
CADR Smoke 180, Pollen 200, Dust 193

Highlighted Features

Six levels of purification

This air purifier comes with a pre-filter for large particles while the medium filter is for smaller ones like mold spores.

The next filter is the BioGS HEPA one (also known as a True HEPA filter) that is for the tiniest particles of 0.3 microns such as virus, pollen, allergens, fungi, and mold.

The customized filter of this version is odor remover, which helps capture and lessen odors from pets, cigarettes, mildew, and cooking.

Odor remover aside, this filter also features three more options including  germ defense, toxin absorber, pet allergy. That means you can pick the one that suits your needs most.

Covered with a thin layer of activated carbon, reducing chemical and common household odors in your house will be more effective.

And the last outstanding filter of this machine is an ionizer.

Its main task is to deliver negative ions which are beneficial in improving the air and cleansing the indoor environment. Since this feature is not for everyone, you can switch it off if you dislike it.

Smart user interface

The user interface of the MinusA2 SPA780A is simple and intuitive, yet provides lots of control and monitoring mechanisms to use.

It comes with indicators that remind you when to replace the filter or when you are in auto-mode or when negative ions are being created, etc.

Unique design

As compared to the air purifiers in our list, this device’s design is aesthetically pleasing. Indeed, you have a choice to select a customized front panel from the RabbitAir artist series.

One more terrific aspect is that it can be mounted on the wall thanks to its slender profile.

And if you pick your most favorite panel, it looks like a piece of art on your wall.

Drawbacks

As advertised, this machine can cover a large room of over 815 square feet. However, it might take more time to clean the air due to a quite low CADR rating.

In our opinion, if you plan to use it in a smaller room, you easily get the fresh air.

Additionally, we found some complaints about the high price tag that can gobble up your bank’s account.

Pros

  • Good-looking and well-design
  • Quiet operation
  • Fully automatic
  • Exceptional good performance
  • 5-year warranty

Cons

  • Too expensive

Verdict

In terms of both design and power, the RabbitAir MinusA2 SPA780A will soon become your number one choice, especially for those who are  willing to pay a high amount of money.

#10 – Airpura Industries P600 Air Purifier

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The final pick that we would like to introduce to you is the P600 from Airpura Industries, an excellent North America air purifier company.

Specifications

Dimensions  23 x 15 x 15 inches
Item Weights 58 pounds
Room Coverage 2000 sq.ft
Filter Types Poly pre-filter -> Activated carbon filter -> True HEPA filter -> UV-C light -> TitanClean Photocatalytic oxidation
CADR 560 CFM

Highlighted Features

The one-and-only 5-stage air filtration process

Similar to other air purifiers, this one comes with the pre-filter to capture large particles and the activated carbon filter to absorb household chemicals, smoke, and other harmful odors.

Besides, it is paired with the True HEPA filter to eliminate 99.97% of any airborne particles and the UV-C light to get rid of mold, bacteria, and viruses.

The only difference is the fifth filter; that is TitanClean Photocatalytic oxidation. 

By offering a large amount of TiO2, this added filter is able to break down any contaminants and then transform them into harmless particles to purify the air.

Perfect for extra-large rooms

Since the Airpura P600 has a high CARD rating of 560 cfm, it truly provides strong air purification in a space of 2000 square feet. Also, it can exchange the air every 30 minutes.

Drawbacks

As compared to the TruSens Z-3000 and RabbitAir MinusA2 SPA780A, the Airpura P600 is indeed the most expensive air purifier. 

Additionally, its design doesn’t look attractive, with only 3 colors to choose including black, white, and beige.

Even it is heavy to lift or move around.

In case you truly need the great performance, this high-end device will do a good job, especially for the area with a high level of virus.

Still love it yet cannot afford one, it’s okay to check the others instead.

Pros

  • Powerful airflow
  • High CADR
  • Ideal for large space
  • Very quiet in the lowest setting
  • The good air filtration system

Cons

  • High cost
  • No smart features

Verdict

The Airpura Industries P600 is efficient for places in extremely dangerous mold, mildew, and virus problems.

High-range price aside, this product ensures 100% removal of harmful particles and brings the fresh and clean air indoors.

Do Air Purifiers Work for Mold, Mildew, and Virus? 

Keep in mind that an air purifier cannot deal with a visible, existing mold growth issue in your house.

If you catch any visible mold developing somewhere, i.e. on foam or carpet, these surfaces should be removed by using a bleach solution or thrown away.

Besides, you should take care of the source of moisture like damp walls, leaky pipes since these places allow the mold to develop.

However, if it is in the air, using the air purifier is a good choice since it easily captures and prevents the mold, mildew, and virus from breeding in your home.

Will all kinds of air purifiers do well?

Our suggestion is not to opt for the low-quality devices that are made from cellulose papered-filters because mold might breed on them with ease.

So, which one is the best?

As mentioned above, the air purifiers that are attached to the True HEPA filter do an excellent job of catching and preventing mold from spreading in your room. After, they will deliver quality fresh air back to the indoor.

Just note that these machines are only efficient with floating mold spores in the air, not for any active mold growth.

Since they are designed to circulate all the air in your room all day and night, make sure that they often work well indoors with the doors and windows closed.

Aside from the air purifiers with the True HEPA filter, there is a large variety of technologies. Sometimes they stand alone or combine to give better results.

Let’s check them out!

PECO (Photo Electrochemical Oxidation)

This technology avails a light-activated catalytic reaction to defeat the particles going through the air purifiers, not trapping them like the True HEPA filters.

This action means that the chance of mold growth on the filter or their reintroduction back into the air is impossible.

PCO (Photocatalytic Oxidation)

As a precursor of PECO, PCO is able to destroy organic molecules. However, it is not efficient and might deliver ozone, a respiratory irritation, as an unexpected result.

Carbon filters

They are mainly used to eliminate airborne chemicals, especially VOCs (Volatile organic compounds) from the air by capturing the gases on an activated carbon filter.

Note that this kind of filter is not used for getting rid of particles and might not help remove mold spores, mildew, and virus from the air.

Ionizing air purifiers

Thanks to an electric charge, these devices can make the particles stick to the nearby surface so that you can clean them up later.

Although they do a great job of removing mold spores in the air, they have some issues that make them not worth using.

One of the biggest drawbacks is that they produce ozone like PCO. And if the ozone is exposed for a long time, it will cause respiratory problems.

UVGI (Ultraviolet germicidal irradiation)

This technology sterilizes the air to destroy viruses, mold spores, and viruses. According to the EPA, the UVGI air purifier needs to produce much more intense UV radiation than a home unit to be more effective.

All in all, the last decision on what kind of technology to get rid of harmful particles from your house depends on your specific demands.

In case you still wonder, please continue viewing a thorough buying guide below. And we believe that you can easily decide after that.

Top Things to Look For Before Purchasing an Air Purifier for Mold, Mildew, and Virus

Filters

This one is the most important element since it ensures that the quality of the filters should be as high as possible. And selecting a model that includes as many filters as possible is a REAL bonus.

Many devices deliver two-stage air filtration as standard.

But we suggest you should opt for the top-range ones that can offer four or even five or six levels of filtration.

Remember that the more filters the air purifier has, the more effective it is. 

Another crucial point is that the filters should include the True HEPA and activated carbon filter.

It’s because the True HEPA filter is necessary to eliminate the smallest particles like mold spores from the air. Besides, the activated carbon filter is for reducing all traces of bad odor.

Is there anything else?

Depending on different brands, there are various kinds of techniques. And if they are working together, the result will be better than ever.

For example, the True HEPA and UV light and silver ion technology are a good combination indeed.

The True HEPA will remove up to 99.97% of airborne particles at 0.3 microns first. Then the additional silver ion tech delivers antimicrobial properties to eliminate them.

Lastly, the UV light cleans any surface to prevent mold spores growth.

The good news is that all the air purifiers above have both the True HEPA filter and activated carbon filter. Moreover, they come with other filters that play a vital part in removing the mold, mildew, and virus in your house.

Fan speeds

This is another useful feature to have because it permits you to adjust the rate of air circulation indoors.

Choosing the model with different fan speeds is also beneficial for each specific situation.

For example, mold grows quicker during humid cold weather. Hence, you need to set up the fan on the highest level to deliver the air with a thorough clean.

Meanwhile, if a little light ventilation is all you want, simply switch to a low speed so that you can save on energy while getting the clear and clean air.

Or if you decide on the model with a smart sensor, it automatically evaluates the mold pollution in the air and then makes suitable changes to improve the quality of air.

Room coverage

The next consideration that you should not miss is what size room you are going to ventilate.

For small spaces, a compact air purifier might do the job. Meanwhile, you need a larger one with a better system for large spaces.

In case you are not sure of the dimensions of your living room, kitchen, bedroom, or basement, please measure or double-check the plans. Or the machine cannot perform correctly because of the wrong size room.

Automation

An automatic mode on the air purifier means that the device includes a sensor that evaluates the quality of the air.

If it senses any increased impurities, odors, or smoke, then the fan speed will automatically adjust. As a result, you don’t have to manually control the machine. And all you just do is to leave it to perform the work for you.

Just remind you that this is an added feature to make things easier and more accurate. Hence, in case you have a big budget, you can consider some models that are equipped with it.

Noise and lights

These features change in the model. Some tend to be quite noisy and brighter lights while some don’t.

In terms of noise, we found that most of the best air purifiers make noise at their high speeds. This might be a BIG problem, especially if you are insomniac.

The best way is to look for the device with a Sleep Mode. This mode keeps the machine operating while lessening the amount of noise that it makes.

Or you can select a model that has a timer so that you can set the time before going to sleep. Let it operate for a few hours and then shut off automatically.

How about the lights?

It depends because some air purifiers have fainter lights while some don’t. If the lights are too bright, we suggest you put a dark tape over them.

Size and portability

Make sure to buy an air purifier that you easily move from room to room in order to purify the air.

Choosing the one that comes with a handle or a wheel caster is a plus.

Got it?

When it comes to big or small size, we reckon that this feature doesn’t affect the machine’s performance.

It mainly depends on your own taste.

Maintenance

The maintenance of the air purifier affects the price in some ways.

For a complicated machine for mold, mildew, and virus, you might want to invest in high-quality maintenance to make sure the best results, especially the parts that are provided or suggested by the manufacturers.

Besides, the maintenance needs to be performed regularly, so the price should be taken into consideration before buying.

For instance, your chosen air purifier might be more expensive than the other; however, it avails one filter a year. Meanwhile, the cheaper machine might need expensive filters every three months.

That’s why we suggest you should consider the cost and frequency of replacing the filters for the air purifier.

Price

Aside from determining how much you can pay an air purifier, you need to know WHY each unit is listed at that price.

An expensive air purifier doesn’t mean it is the best choice for mold spores for your home. Just because this one has various components to the price.

The best way is to select a well-known brand that has fame for producing good products and a friendly customer service team.

Wrap Up

Congratulations – you are still here, at the end of our articles on getting one of the best air purifiers for mold, mildew, and virus. Now you know what you have to remember and be careful to make the right choice.

We truly wish that you have received useful information as well as found your satisfactory product for your home.

But in case you need a WINNER, we highly suggest the GermGuardian AC9200W.

Well, this air purifier comes with a good filtration system with 4 different layers to destroy germs, mold spores, airborne bacteria, bad odors, etc. effectively without producing harmful chemicals for your health.

Moreover, it has been tested and verified by reputable organizations for its performance. More importantly, its price tag is affordable for anyone.

If you have the same idea, be quick to bring the good-looking model back home and then enjoy the fresh, clean, and clear air all the time.

Or return our list above and then pick the one you love most to make your home a sweet place with no mold, dust mites, pet dander, food odor, smoke, viruses as well as bacteria.

Don’t hesitate anymore! ORDER NOW, guys!