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Best Air Purifier

Best Air Purifier

Using an air purifier can help your whole family breathe easier. Air purifiers can offset a number of health conditions and symptoms. Whether you are an allergy sufferer, have asthma or simply want the cleanest air possible, this article will help you find the best air purifier.

When you are looking for the best air purifier, you have many options. There are some basic criteria for the form and function of a quality air purifier. Some air purifiers use different purification techniques. Many air purifiers are designed differently, which impact how you replace component parts and service the unit.

You will make a few different decisions when you buy an air purifier. The research in this piece will help lighten the load of your own investigation. For this type of product, it’s best to lean towards the higher end of the market. You may spend a little more, but you’ll enjoy the real benefits of a value-added product. If price is an issue, some retailers offer no interest financing on their websites. Read on to learn what kind of air purifier is best for you.

Types of Air Purifiers

It is important to first understand that there are different types of air purifiers. The goal of all air purification systems is to remove unwanted particles from the air. This is done through filtration. There are various means of filtration. You may find these types of air purifiers to buy online:

1. Ultraviolet air purifiers
2. HEPA air purifiers
3. Ionic air purifiers
4. Electronic air cleaners
5. Central air cleaners
6. Multi process air purifiers

Here is an overview of these air purifiers and how they work.

Ultraviolet Air Purifiers

Ultraviolet, or UV, air purifiers were inspired by hospitals. UV is used to disinfect labs and hospital rooms. When they are purchased for residential use, these air purifiers are small and fill the area with UV light. This destroys pathogens down to a molecular level.

Function Uses UV light
OutcomeCan kill 99.9% of mold spores and can disinfect the air
Average price for 500 square feet of coverage$400-$500
Ongoing maintenance requiredReplacing the UV light bulbs

HEPA Air Purifiers

HEPA stands for High Efficiency Particulate Air. This kind of air purifier uses a physical process to force air through a mesh. The mesh piece traps particles. HEPA air purifiers can filter out pet dander, dust mites, tobacco smoke and pollen.

Function Uses a mesh and forced air to mechanically filter out particles
OutcomeCan remove 99.7% of all particles from the air
Average price for 500 square feet of coverage$300-$900
Ongoing maintenance requiredReplacing the HEPA filter

Ionic Air Purifiers

An ionic air purifier is also known as an air ionizer. These air purifiers use a variety of research-based approaches to clean the air. The goal of each method is to release ions into the air, which use polarity and bonding to either collect or neutralize unwanted particles in the air.

One method is called bipolar ionization. Through this kind of air purification, a rich bio-climate is created by releasing negative and positive ions. These ions are missing an electron and naturally seek out other atoms and molecules. They find odorous gases, VOCs and even virus cells, trade electrons, and neutralize those substances.

Another method uses cold plasma to decrease air pollution indoors by as much as 90%. Originally developed by NASA, plasma air purifiers are often used in hospitals for sanitization. A plasmacluster air purifier also emits positive and negative ions which are similar to water. These join with toxins which are then trapped in a plasma filter. Cold plasma air purifiers are affordable, easy to maintain and highly effective.

Function Uses negative ions
OutcomeCan kill 91.6% of airborne bacteria
Average price for 500 square feet of coverage$300-$900
Ongoing maintenance requiredReplacing the filter

Electronic Air Cleaners

Electronic air cleaners are also called electrostatic air filters. These devices filter allergens out of the air. This includes pet dander, dust, mold and chemical odors or vapors. They are set up to pre filter air that goes through your heating and cooling system. The large unit requires no replacement filters and cleans the air that circulates through your home.

Function Uses a physical filters
OutcomeFilters out 95% of particles in the air
Average price for 500 square feet of coverage$500-$1500 (varies significantly)
Ongoing maintenance requiredCleaning the filter

Central Air Cleaners

In contrast to a simple module that attaches to your heating or cooling system, a central air cleaner is a whole house purifier that is incorporated into your HVAC system. This provides an enormous benefit to people who suffer from asthma or severe allergies. These systems literally purify the air in the entire house down to the smallest particle.

Function Uses a ionization
OutcomeRemoves 99.9% of unwanted particles and can disinfect the air
Average price for 500 square feet of coverage$600-$1500 (varies significantly)
Ongoing maintenance requiredReplacing the filter or cell (every two to five years)

Multiple Process Air Purifiers

Technological advancements have borrowed the best from many of the above systems. You can now buy air purifiers that leverage all of the most effective processes. This includes adaptive systems that improve air quality across a broad spectrum. Innovative technology combines HEPA, carbon, UV and other processes to outperform standard air purifiers and effectively eliminate contaminants in the air.

Function Uses a variety of processes
OutcomeCan vastly improve air quality with an almost complete reduction of unwanted particles
Average price for 500 square feet of coverage$400-$1300 (varies significantly)
Ongoing maintenance requiredVaries based on the system

Best of Air Purifier Categories

Now that you know the types of air purifiers, it’s important to understand how each of these can provide specialized comfort for unique user needs. The following section will provide details on the best air purifiers for different results. Read about the:

  • Best air purifier for dust removal
  • Best air conditioner filter for allergies
  • Best air purifier for allergies (2019 and 2020)
  • Best air purifier for mold
  • Best air purifier for dust
  • Best air purifier for cigarette smoke removal
  • Best air purifier for asthma
  • Best air purifier for odors

Best Air Purifier for Dust Removal

Knowing and controlling your indoor air quality necessitates the removal of dust particles. Dust particles lead to a variety of issues in your home. From people to pets, having excessive dust can create an irritating situation and even allergic reactions.

Dust particles can be large compared to other allergens. This means that they are relatively easy to manually trap. If you want the best air purifier for dust removal, you can buy:

  1. HEPA air purifier
  2. Multi process (multi-stage filtration) air purifier

You may be most interested in looking for air purifier models to remove dust that are also quiet and require very little maintenance. The good news is that these air purifiers will also remove odors and other allergens.

Best Air Purifier for Allergies 2019-2020

When you suffer from airborne allergies, your symptoms may or may not be seasonal. It’s also important to remember that adults are not the only sufferers. Children and pets may also benefit from cleaner air. Removing allergens will make everyone healthier and happier.

There are a few standards you should look for in any of the best air purifiers for 2019 and the new air purifiers for 2020. These include:

  • Little to no noise
  • Multi process (multi-stage filtration) air purifier
  • Low maintenance
  • Competitive price

You may also be interested in learning about the Air Changes per Hour (ACH) and Clean Air Delivery Rate (CADR) rating.

Best Air Purifier for Allergies 2019

The 2019 best air purifiers included a variety of great, high-quality products. Here are some of the innovations from air purifier manufacturers last year.

  • Air purifiers that work better in large spaces, some up to 1100 square feet
  • Increased digitization in displays and programming

In 2019, however, even the best rated air purifiers were tested and proved to be too large and too loud. 2020 is already seeing some improvements.

Best Air Purifier for Allergies 2020

Consumer Reports tested some of the best air purifiers for 2020. The standout traits of the highest rated air purifiers for 2020 included:

  • High-speed functions
  • Eco-friendly improvements in washable, rather than replaceable, filters
  • Smaller units that perform at a higher level
  • Smart functions and integration into smart devices

If you are looking for the best air purifier in 2020 for allergies, you may want to buy:

  1. Coway AP-1512HH for $210 (source at Amazon or Walmart)
  2. iAdaptAir® from $399 (from Air Oasis; integrates with smartphone app)
  3. Molekule for $799 (from the manufacturer)

Click here to get more information on how air purifiers can help with allergies.

If you are looking to buy an air purifier to treat more than allergies, keep reading. You will find recommendations for the best type of air purifier to address common household or health issues.

Best Air Purifier for Mold

Mold spores in the air can cause a number of health conditions. In adults, children and pets, mold can cause symptoms like dry cough, wheezing, skin rashes and sinusitis. Whether your home is old or new, mold could be an issue. Some people are even allergic to mold, which means these symptoms will increase and evolve into worse health issues

Most types of air purifiers are equipped to trap and remove mold spores. Key features must include:

  1. High volume of air cleaned per hour
  2. Replaceable filter (if a filter is present)

Mold spores can be between one and 20 microns in size. The types of air purifiers that can kill or capture as small as 0.3 micron particles are:

  • HEPA air purifiers
  • Ionizers
  • UV air purifiers
  • Ozone generators

Go here to learn more about how air purifiers can eliminate mold spores and how to find the best air purifiers for mold in your home.

Best Air Purifier for Dust

Dust is essentially a catch-all term for numerous kinds of particles that can be present in the air. This can include:

  • Dander
  • Hair
  • Insect parts
  • Allergens
  • Dust mites
  • Lint
  • Bits of food

To reduce dust in your home, you want an air purifier that has:

  1. Built-in sensors for both consistent power and auto shut-off
  2. Replaceable filter (if a filter is present)
  3. A large area of coverage
  4. HEPA or other advanced filtration system

Follow this link to get answers to some FAQs about how air purifiers help with dust and improve the air quality in your home.

Best Air Purifier for Cigarette Smoke Removal

Buying an air purifier to rid your home of cigarette smoke needs to have at least two functions. First, eliminating odors. Second, removing allergens. This means that the best air purifier for cigarette smoke will be able to:

  • Remove gas and chemicals from the air
  • Reduce pollutants and irritants
  • Break down volatile organic compounds (VOCs)

These functions are usually accomplished by two key features:

  1. Odors are eliminated using carbon filters
  2. Irritants, gases and other chemicals can be trapped by any good filtration system, including HEPA, UV and ionization

Even if the cigarette smoke home isn’t perpetuated by actively smoking, residual smells from previous smokers can linger. These can be largely eradicated by choosing the right home air filter.

Click here to learn more about eliminating cigarette smoke smells in your home with the best air purifiers.

Best Air Purifier for Asthma

Allergies and asthma impact many people. Whether or not you can largely manage your symptoms, having an air purifier that directly addresses irritants for asthmatic conditions can help. Both indoor and outdoor allergies can exacerbate respiratory issues. The best purifier for asthma will be able to:

  1. Clean the entire area it is placed in. This may mean individual bedroom units or a whole house air purification system.
  2. Completely filter the air without leaving any particles behind.

A HEPA filter is a popular choice but asthma sufferers may benefit even more from a multi process unit. This is the most thorough and absolute approach to air cleaning. It ensures that every irritant and particle is eliminated.

There are some caveats to selecting the best air purifiers for asthma. Experts at the Mayo clinic remind people that ozone air purifiers, which change the gasses in the air, could irritate the lungs of people with asthma. Some people have similar reactions to ionizers. All of the above options are best for people who are sensitive to these triggers.

Click here for more info on how air purifiers can ease the symptoms of asthma.

Sometimes when children suffer from asthma, it can be hard to help them understand why they may need to come indoors to get some “fresh air.” Go here for a great resource to share with your children about asthma and clean air.

Best Air Purifier for Odors

Whether you are moving into a home or simply ready to upgrade your air quality, many people want an air purifier for odors. The best air purifiers to address odors will both capture particles and eliminate smells. This is usually achieved by pairing a filtration system, like HEPA, with a carbon filter.

Many people recognize the importance of eliminating odors, rather than just masking them with perfumes or artificial scents. When you’re ready to find the best air purifier for odors in your home, look for:

  • An activated carbon filter (preferably mass absorption for odors and VOCs)
  • Filtration that gets rid of pollutants, bacteria and pet dander
  • Air ionizers

Only buy an air purifier for odors that covers the right amount of square footage, otherwise it will be ineffective. You will also want to be sure that the odor removing air purifier has high-speed settings and can run continuously as needed.

Want to remove bad smells from your car as well? Tap here to learn about an air purifier with a car adapter that eliminates odors.

Go here to read more about eliminating odors using an air purifier.

Best Air Purifier 2019-2020

Every year, new inventions allow companies to update their air purifiers. Whether it’s simply integrating a great purifier with a smart device or changing features, these innovations can all benefit the consumer. Because air purifiers are increasingly important, due to both decreased air quality in some regions and the prevalence of airborne illnesses, it’s important that you make a worthwhile investment. Here are some of the best, new air purifiers of 2020.

Best Air Purifier 2020

Numerous sources have compiled lists of the best air purifiers so far for 2020. As we mentioned above in regard to air purifiers for allergies, these include innovative technology, lighter designs and more integrated features. Depending on your budget, there are a few unique items that you may be interested in trying out.

Wall-mounted Air Purifier

The Rabbit Air MinusA2 is a wall-mounted HEPA air purifier. This unique design and application gives you a touch-screen interaction, remote control and can purify large spaces. It costs about $550.

Cheapest Air Purifier

Honeywell makes an array of highly affordable air filters. These are HEPA air purifiers and can be bought on Amazon or other online retailers. The Honeywell HPA300 costs about $200.

Advanced Air Purifier

The Coway Airmega 400 is a HEPA air purifier that may cover as many as 1,560 square feet. This advanced air purifier has a pollution sensor and a self-adjusting fan speed. It costs about $550.

Smart Air Purifier

The Air Oasis iAdaptAir® is one of the most innovative and smart air purifiers on the market. It offers a full spectrum of purification, combining AHPCO®, Bi-Polar®, ionization, germicidal UV and true HEPA with carbon filtration. You can buy different sizes and it costs between $399 and $799.

Top Air Purifier Brands Comparisons

There are a few, top brands for air purifiers. Here is a comparison of what they offer and the best air purifiers sold by each of them.

Rabbit AirCowayDysonAir OasisOransiMolekule
DistinctivesPet allergies, low cost, digital displayHome health technology, intuitive and smart designSleek design, high-end, integration with hot and cold fansThe most thorough option, utilizing numerous filtration processesTested in university studies; long-lasting and high-performingReinvented, cylindrical design for protective air purification
Price Range$400-$650$250-$850$300-$650$399-$799$280-$1600$400-$800
Customer ReviewsClick HereClick HereClick HereClick HereClick HereClick Here
TechWall-mounted, touch-screen, digital alerts, wifi enabledMonitors for real-time changes ins peed, connected to a mobile appReal-time sense and display, air multiplier technology, Dyson link appApp integration, smart sensors, digital displayAuto sensorsApp integration, touch-screen, dark mode
Filtration optionsHEPAHEPACryptomic™ technologyMulti processesHEPAPECO technology
CADR Rating for the highest CFMRabbit Air MinusA2:
High: 187 CFM
Coway Mighty Air:
High: 260 CFM
Not ScoredAir Oasis iAdapt Air:
High: 237 CFM
Oransi Max:
High: 200 CFM
Unpublished scores

Best Air Purifier for Your Home

When you are ready to buy, you want the best air purifier for your home. You may choose based on a specific health condition or just want to improve the overall indoor air quality in your house. Either way, you want to spend the right amount of money to get the right product.

We have reviewed the general types of air purifiers and how they function. One last consideration as you shop for an air purifier online is to buy based on your space. Air purifiers are designed to circulate the air for a specific amount of square footage. You can buy air purifiers that attach to your HVAC or heating and cooling systems. These will work on the air throughout your home.

However, if you want to buy portable air purifiers for individual rooms, you need to understand the space delineations and calculate your purchase accordingly.

Air Purifiers for Small Spaces

The best small air purifiers can still be highly effective. The units themselves are small because they circulate air through a smaller space. In terms of air purifiers, “small” spaces may be up to 300 or 400 square feet.

Click here to look at some of the best small air purifiers for your apartment, office or other small space.

Air Purifiers for Large Spaces

The best large air purifiers may be portable or installed as part of your home air system. When they are part of your HVAC or heating and cooling units, the air purification piece itself is actually quite small. In addition to traditional HEPA or other filter units, you can purchase purifiers that connect to your central air and use ionization. This requires minimal upkeep and blankets your whole home or office building in fresh, pure air.

More Resources on Air Purifiers

Want to do some research on your own? The best air purifiers will include great descriptions that follow these guidelines, issued by the manufacturers. When you’re ready to do a deeper dive into getting your air perfectly fresh, here are some additional resources.

  • The U.S. Environmental Protection Agency recommends using indoor air cleaners to reduce air pollution in your home. Click here to access their Guide to Air Cleaners in the Home, which includes information about the different kinds of indoor air cleaning devices.
  • Click here for a website that provides more information and calculations on ACH and CADR ratings.
  • Read the industry report from Grand View Research on commercial and residential air purifiers.
  • Learn about how the government of India is using air purifiers to combat air pollution.
  • Read how air purifiers are being used in hospitals to combat the Coronavirus.