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Best Air Purifiers in 2022

By JW Rider · Jun 23, 2022

All of the most common and largest air particles that irritate you, make it harder to breathe, or make you sick are present in many households. Air purifiers are a great solution for those worried about the purity of the air in your home. Starting from moist wool and a one-way clapper valve and evolving to charcoal filters and finally the familiar cup-shaped mask, air purifiers have come a long way. Whether you suffer from allergies, including pollen or pet dander, or you experience chronic illness or respiratory issues, there are specialized air purifiers that can remove certain particles from your environment. There are many different types of air purifiers and a range of customer reviews on them, too. That's why we've put together this list of eight popular air purifiers from reputable brands to help you decide which one meets your needs.
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Best overall pick
Cowayairmega1512hh

Coway AP-1512HH Mighty

Power source Corded electric
Room size 361 square feet
Filter type HEPA
Removes 99.97%
Particle size 0.3 micron
Noise level 24-53 dB
Power consumption 77 watts
Weight 12.3 lbs
Best high speed choice
Sharkhe402

Shark Air Purifier 4 with Anti-Allergen Multi-Filter ADV Odor Lock and Smart Sensing

Power source Corded electric
Room size 1000 square feet
Filter type HEPA
Removes 99.98% of allergens, pollutants, mold, odors, and smoke
Particle size 0.3 microns
Power consumption 121 watts
Weight 17.5 lbs
Best designed air purifier
Blueairblue311

Blueair Blue Pure 311

Power source Corded electric
Room size 388 square feet
Refresh rate 12.5 minutes
Filter type HEPA
Removes 99.97% of smoke, allergens, pollen, dust, pet odors and viruses
Particle size 0.1 micron
Noise level 23-53 dB
Power consumption 3-35 watts
Weight 6.8 lbs
Best medium sized air purifier
Levoitairpurifier

Levoit Core 300

Power source Corded electric
Room size 547 square feet
Refresh rate 30 minutes
Filter type HEPA
Removes 99.97% of dust, smoke, pollen & odors
Particle size 0.3 micron
Noise level 24 dB
Power consumption 45 watts
Weight 7.9 lbs
Great for larger rooms
Honeywellhpa300

Honeywell HPA300 Extra-Large

Power source Corded electric
Room size 465 square feet
Refresh rate 12 minutes
Filter type HEPA
Removes 99.97% of dust, pollen pet dander, dust mite debris and smoke
Particle size 0.3 micron
Noise level 60 dB
Power consumption 127 watts
Weight 33.2 lbs
Best air purifier for whole house purification
Cowayairmega400

Coway Airmega 400

Power source Corded electric
Room size 1560 square feet
Filter type HEPA
Removes 99.97%
Particle size 0.1 micron
Noise level 22~52 dB
Power consumption 66 watts
Weight 24.7 lbs
Best smart air purifier
Alenairpurifier

Alen BreatheSmart 75i Air Purifier

Power source 120 AV, 60HZ
Room size 1300 square feet
Refresh rate 30 minutes
Filter type HEPA
Removes 99.99% of dust, pollen, bacteria, aerosolized viruses
Particle size 0.1 micron
Noise level 25-49 dB
Power consumption 1.8 - 45 watts
Weight 35 lbs
Great multi-functionality
Dysonpurecool

Dyson Pure Cool TP01 Tower Fan

Power source Corded electric
Room size 800 square feet
Filter type HEPA
Removes 99.97%
Particle size 0.3 micron
Power consumption 96 watts
Weight 7.9 lbs

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8 of the Best Air Purifiers in 2022

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The Coway Airmega AP-1512HH Mighty has a four-stage filtration system made up of a pre-filter, HEPA filter, deodorization filter, and vital ion technology to remove 99.97% of particles that are 0.3 microns or larger. It's relatively quiet–depending on the mode—and works in rooms of up to 361 ft². Users generally agree that is quiet and efficient, but some report that the auto speed seems too low to pick up pollutants, and the control lights cannot be turned off manually. With your Coway Airmega AP-1512HH Mighty purchase, you get a pre-filter and a true HEPA filter.

FAQs

The Coway Airmega AP-1512HH Mighty air purifier is an excellent overall choice. It can remove 99.97% of particles 0.3 microns or larger. It removes dust from 246, pollen from 240, and smoke from 233 cu. ft.

The noise level of this air purifier ranges from 24.4-53.8dB, which compares to sounds from rustling leaves to light traffic or a refrigerator running. Its power consumption is 77W, which ends up being very affordable energy bill-wise.

The air filter is a true HEPA air filter. The replacement comes with one 12-month HEPA filter and two six-month carbon filters, which are the pre-filters to remove gases and odors from the air.

 

Pros & Cons

Advantages
  • Quiet and energy-efficient
  • Features a HEPA filter
  • Has a four-stage filtration system
  • Filter lifetime indicators and air quality monitoring
  • Cleans air 24/7
Disadvantage
  • Auto speed is too low to pick up air pollutants
  • Control lights cannot be turned off manually

 

The best high-speed choice is the Shark Air Purifier 4, which removes up to 99.98% of airborne pollutants that are 0.1 microns or larger in size. It has a remote control that works from up to 15 feet away, and the Clean Sense IQ monitors air quality and adjusts power for cleaning efficiency when necessary. And it does so very quickly, cleaning up to 1,000 square feet of air in an hour. Advanced Odor Lock keeps unpleasant smells away, and the HEPA filter is anti-allergen. Users report that it is extremely quiet, fast, and efficient for large spaces although there is no app integration and the fan doesn't turn off unless you turn off the whole unit. With your Shark Air Purifier 4 purchase, you'll receive a HEPA multi-filter and a remote control.

FAQs

The Shark Air Purifier 4 is fast, efficient, and quiet in removing airborne pollutants, including allergens and odors, whether large, small, or micro-sized with particles of 0.1-0.2 microns.

No. While its exact decibel level or decibel range is not listed, it is designed to be very quiet, and users report that it lives up to this description. A tolerable noise level is 40dB, while anything below that is considered quiet.

The filter is a true HEPA filter. In order to be a true HEPA filter and not a HEPA-type filter, it must remove at least 99.97% of all airborne particles that are at least 0.3 microns in size.

Pros & Cons

Advantages
  • User friendly
  • Fast and efficient
  • Quiet and powerful
Disadvantage
  • No app integration
  • Fan doesn’t turn off when room is 100% clean unless you turn off the unit manually
Allergy sufferers will appreciate the excellent design of the Blueair Blue Pure 311. Featuring auto mode, quiet and fast air purification with a fabric pre-filter, and a HEPA filter, it's amazingly effective at removing 99.97% of particles that are 0.1 microns or larger, including pollen, dust, smoke, pet dander, viruses, and bacteria. It has an intuitive auto mode that will adjust in real-time to your conditions so you don't have to change the settings, all while using only 7 to 35 watts. The pre-filter is washable, so you can reuse it instead of buying new pre-filters. Users report that it is great, quiet, and works well for having on all the time. One disadvantage is that it does nothing to remove odors. With your Blueair Blue Pure 311 purchase, you'll receive a HEPA filter and a fabric pre-filter.

FAQs

The Blueair Blue Pure 311 purifies the air 4.8 times an hour or every 12.5 minutes on high for a room up to 388 square feet. It removes 99.97% of particles that are 0.1 microns or larger, and its intuitive auto mode immediately adjusts to changes in your environment, all while using only 7 to 35 watts.

 

No. This air purifier is designed to be powerful and effective but quiet at the same time, with a noise level range of 23-53dB depending on the setting. There is also a night setting that is even more quiet and turns the light off.

This purifier was independently evaluated and tested for performance by a third party as part of the AHAM Verified Program for room air cleaners. AHAM evaluates a manufacturer’s certified values and incorporates them into a directory of certified products.

Pros & Cons

Advantages
  • Perfect for medium-sized rooms
  • Quiet and efficient
  • Removes particles of 0.1 microns or larger
  • Has both a HEPA filter and fabric pre-filter
Disadvantage
  • Does not remove odors
If you have medium-sized rooms in your home, then you want a basic, mid-ranged air purifier is suitable to keep your air clean. The Levoit features a true HEPA filter to remove dust, mites, pet dander, smoke, pollen, and bacteria, but you can choose from one of several replacement filters including Pet Allergy Filter and Toxin Absorber Filter. It works in rooms up to 219 square feet at a refresh rate of about 12 minutes and is very quiet at only 24dB. Many users agree that it is quiet, efficient, and initially affordable, but it uses more energy than some other air purifiers and does not remove odors. With your Levoit Core 300 purchase, you'll receive a pre-installed HEPA three-stage original filter.

FAQs

The Levoit Core 300 air purifier is affordable and a great value. It features a true HEPA filter, has a fast refresh rate, is quiet, and works in spaces of around 200 square feet. It removes 99.97% of air pollutants.

 

This air purifier is very quiet for its size and in spite of its powerful motor, which can only be handled by devices weighing 6lbs or more. It has a noise level of 24dB, which is somewhere between rustling leaves (20dB) and a whisper or soft music (30dB).

 

Yes, this air purifier is FCC certified and Energy Star Verified. It is also ETL-listed and CARB-certified. The air filter is a true H13 HEPA filter, which is medical-grade and can remove particles that are 0.21 microns or larger with 99.95% efficiency, including smoke.

Pros & Cons

Advantages
  • Affordable
  • Medical-grade HEPA filter
  • Quiet
  • Fast refresh rate
  • Works in spaces around 200 square feet
  • Variety of replacement filters
Disadvantage
  • Uses more energy than other air purifiers
  • Does not remove odors
The Honeywell HPA300 is great for larger rooms and has four cleaning levels, including TurboClean. It quickly removes 99.97% of dirt, pollen, pet dander, mold spores, and smoke, as well as odors and VOCs. In a room up to 465 square feet, it purifies the air 4.8 times an hour. Users report that it is their best and most affordable air purifier for large rooms. With your Honeywell HPA300 purchase, you'll receive a pre-installed HEPA filter and pre-filter.

FAQs

The Honeywell HPA300 works for rooms up to 465 square feet, which qualify as extra-large rooms. It is affordable, highly efficient, and fast-working. It is especially useful for people who have allergies and problems with unpleasant odors.

No, it is not loud. Although the decibel level range is not listed for this air purifier, users do not report that it is overly loud. Many air purifiers have a noise level of around 40dB.

This air purifier is part of the Honeywell Allergen Series to remove airborne allergens and pollutants and provide fresh, clean air in large rooms. It is Energy Star certified because it has met strict federal guidelines for energy efficiency.

Pros & Cons

Advantages
  • 4 cleaning levels including TurboClean
  • HEPA filter and pre-filter
  • Allergen Series purifier
  • Efficient and affordable
Disadvantage
  • Must search for “VEVA advanced filters” to get pre-cut replacement filters
When you need a whole-home solution for fresh air, buying several air purifiers is not the most cost-effective or efficient option. The Coway Airmega 400 takes care of that, with the ability to purify the air twice an hour in up to 1,560 square feet. That's because it's powerful enough, with its pre-filter and combined carbon and HEPA filter, to remove 99.98% of airborne particles that are 0.1 microns or larger and reduce VOCs. It also features a timer, five fan modes, and a three-setting smart mode to adapt to your environment, while the LED pollution sensor gives you the real-time status of your air quality. Users report that it is quiet and excellent even in hazardous air conditions. A few didn't care for the smart features, which have basic app functionality. With your Coway Airmega 400 purchase, you'll receive a pre-filter and a Coway Airmega Max2 filter, which is a combined carbon and HEPA filter.

FAQs

The Coway Airmega 400 is a powerful, quiet, and efficient whole-home solution for fresh air. The pre-filter and Coway Airmega Max2 filter are of high quality and can remove 99.98% of airborne pollutants that are 0.1 microns or larger, including pollen, smoke, and viruses. It also reduces VOCs.

 

No, it is very quiet. Its listed noise level is 43.2dB on the highest setting. From 3 feet away, it is 22dB, 35dB, or 40dB depending on whether it is on the low, medium, or high setting.

The Coway Airmega Max2 filter is a combined activated carbon and true HEPA filter. You must only use the same kind of replacement filters. In order to be a true HEPA filter and not a HEPA-type filter, it must remove at least 99.97% of all airborne particles that are at least 0.3 microns in size.

Pros & Cons

Advantages
  • Quiet
  • Smart technology
  • Fast
Disadvantage
  • Very basic app functions
The Alen BreatheSmart 75i has the best smart features for an air purifier. Not only does it purify the air every 30 minutes in rooms up to 1,300 square feet, but it does so with a slim design, smart features, and eight available colors. There's a laser smart sensor, and the unit generates pink noise, which helps you relax and sleep better. The HEPA filter lasts three to five months longer than standard filters. Users report that it is impressive and quiet, even on turbo speed. A disadvantage, however, is that the lifetime warranty doesn't apply outside of the USA. With your Alen BreatheSmart 75i, you'll receive a HEPA filter.

FAQs

The Alen BreatheSmart 75i is the best choice for an air purifier with useful and desirable smart features. It is specially made for people who suffer from asthma and allergies. The laser smart sensor shows several levels of purity, while the unit generates soothing pink noise.

 

 

No, it is very quiet. The noise levels for each of the five speeds are 25dB on speed one, 33dB on speed two, 39dB on speed three, 44dB on speed four, and 49dB on Turbo. Users report that it is very quiet, even on Turbo.

 

The filter is a true HEPA filter. It is medical-grade 13 HEPA, which removes particles of 0.1 microns or larger. It is designed to remove 99.9% of allergens, dust, pet dander, mold spores, viruses, bacteria, and odors. Compare it to a regular HEPA filter, which removes 99.97% of particles 0.3 microns or larger.

 

Pros & Cons

Advantages
  • Great for asthma and allergy suffers
  • Laser smart sensor
  • Pink noise
  • Long-lasting filter
Disadvantage
  • Lifetime warranty only applies within the USA
The Dyson Pure Cool TP01 has the most useful and desirable functions for an air purifier. It removes 99.97% of particles that are 0.3 microns or larger and features a tower fan and true HEPA filter. It also has a sleep timer, oscillation, 10 Air Speed settings, and automatic shutoff if tipped over. There's a part of the filter that has activated carbon to help reduce odor. Users report that it works amazingly well even with pets like furry dogs.

FAQs

The Dyson Pure Cool TP01 is great for people who suffer from asthma and allergies or who have pets. Thanks to the true HEPA filter, it removes 99.97% of particles that are 0.3 microns or larger, including pollen, dust, pet dander, mold spores, and bacteria.

No, it is not loud. Not only have users not reported any issues with noise, but it has a sleek, modern design, so the motor is not big enough to be overly loud. Dyson is also known for its powerful yet efficient suction, so the purifier has a lot of airflow capacity.

Yes. This air purifier is certified asthma and allergy-friendly and awarded the Quiet Mark accreditation. It also has a true HEPA filter, which is designed to remove 99.97% of airborne particles that are 0.3 microns or larger.

Pros & Cons

Advantages
  • Asthma- and allergy-friendly
  • Multiple features for customization and efficiency
  • Tower fan
Disadvantage
  • Comparably higher in price

List of all Best Air Purifiers in 2022 for your needs

Product Date Price Shop
Coway AP-1512HH Mighty 06/2022 $ 191.77 Buy
Shark Air Purifier 4 with Anti-Allergen Multi-Filter ADV Odor Lock and Smart Sensing 06/2022 $ 249.99 Buy
Blueair Blue Pure 311 06/2022 $ 249.99 Buy
Levoit Core 300 06/2022 $ 89.99 Buy
Honeywell HPA300 Extra-Large 06/2022 $ 211.68 Buy
Coway Airmega 400 06/2022 $ 494.31 Buy
Alen BreatheSmart 75i Air Purifier 06/2022 $ 748.99 Buy
Dyson Pure Cool TP01 Tower Fan 06/2022 $ 299.99 Buy

What is an air purifier?

An air purifier is an electronic device used to clean pollutants from the air and improve air quality. It is normally rectangular or square. It is speficially designed for people who suffer from allergies or asthma. Air purifiers can either be standalone units or attach to an HVAC or air handler unit (AHU). Air purifiers are used not only in residences but also in the commercial, industrial, and medical industries. 

The two main methods of purifying the air are active and passive; the most common and effective air purifiers are passive. Inside the passive air purifier is a suction tube to draw in air, which passes over a filter. There’s also a fan to blow the clean air back out. The larger an air purifier is, the more powerful fan motor and airflow capacity it can accommodate.

Pollutants can include any of the following in combination:

  • Dust: Dust is a mixture of human hair, sloughed-off skin cells, clothing fibers, dirt, pollen, dust mites, bacteria, bits of plastic, or anything that is dry and can flake off. When there’s not enough surface cleaning and clear air circulation, dust settles.
  • Pollen: Pollen consists of plant spores or grains that are male sperm cells (gametes), which cause hay fever and other allergies in many people.
  • Smoke: The smoke that people seek to remove from their homes is usually tobacco smoke, but it can also include smoke from the kitchen.
  • Pet dander: Sloughed-off skin cells, pet fur, and saliva make up pet dander. However, people who are allergic are specifically reacting to a protein in the pet’s saliva.
  • VOCs: Volatile organic compounds are gas emissions from solids or liquids that have a variety of chemical compounds.
  • Mold spores: Excess humidity can be a problem in homes, especially in certain rooms. Mold and mildew thrive in environments that are moist and damp and have poor circulation.
  • Pathogens: Viruses and bacteria are the smallest particles, and they need medical-grade filters as well as sanitizing.

Air purifiers are designed to remove particles that are a certain micron size or larger, depending on the type of filter that is used. Some, especially the newer models, have pre-filters and fabric or activated carbon filters to trap hair and other large particles. Newer models also tend to have features such as several fan speeds, a timer, filter replacement indicators, and pollution sensors. It is recommended to use only the replacement filters for your specific make and model of air purifier.

Types of air purifiers

There are many types of air purifiers on the market today, each with its own pros and cons:

  • HEPA: HEPA stands for High-Efficiency Particulate Air filter, and a HEPA filter is an extremely dense, pleated mechanical air filter for trapping airborne pollutants. A “True HEPA Filter” removes 99.97% of particles as small as 0.3 microns in size, including dust, pollen, pet dander, smoke, and mold spores. Usually made of fiberglass and sometimes nonwoven fabric material, those that feature the ability to remove particles measuring 0.1 microns or larger have a diffusion component as the last trap for particles that don’t stick to the fibers. The disadvantages of HEPA are upkeep and the fact that it doesn’t remove pathogens or odors.
  • ULPA: ULPA stands for Ultra-Low Penetration Air filter. It removes 99.99% of particles that are 0.1 microns or larger. Since it offers more filtration than is often needed in a home, it is typically used for biosafety cabinets and sterile rooms.
  • Activated carbon: Also called absorbent, this type of filter has activated carbon material that is highly absorbent, enough to trap gases, volatile organic compounds (VOCs), and other toxic chemicals, and even remove lingering odors from gases and small particle pollutants. It uses physical absorption, chemical absorption, or both, to remove pollutants with particle sizes ranging from 0.5 to 50 microns and to release purified air. The disadvantage of activated carbon is that it doesn’t remove airborne particles and so is not a stand-alone product. It often comes as a pre-filter for HEPA air purifiers.
  • Negative ionization: Also called ionic, this type of air purifier is also called an air cleaner. This type of technology creates a small powerful electrical field that creates oppositely charged particles, or negative ions, that attract pollutants. It weighs particles down, making them settle and stick to surrounding surfaces or fall to the floor, so they are easier to clean. Ionization can remove particles as ultra-fine as 0.01 microns in size. Another type of ionizer is called electrostatic precipitation, and it works almost the same way. Instead of making the particles fall on outside surfaces, the particles are drawn in and fall onto positively charged plates, which can then be cleaned. While filter-less and quiet, ionic air purifiers don’t remove particles as well as HEPA purifiers. They also produce ozone, which can create particle pollution and higher levels of formaldehyde.
  • Ultraviolet (UV) light: UV light air purifiers kill airborne mold, bacteria, and viruses at the DNA level. The UV-C light produced by the UV lamp is exposed to air passing through the air purifier and sterilizes the air while it is filtered. One caveat is that UV-light air purifiers do not remove pollutants, so this technology is often combined with a filter. HEPA air purifiers sometimes have a UV light pre-filter. The disadvantage is that it creates ozone as a byproduct.
  • Ozone generation: Ozone air purifiers change oxygen (O2) molecules into ozone (O3). They are not approved for occupied spaces and are, instead, typically used in industrial settings to purify the air of biological contaminants.
  • Electronic: A whole-home solution, the electronic air purifier needs professional installation. It uses a combination of HEPA and ionization to improve air quality.
  • Central air cleaner: Another whole-home solution, a central air cleaner needs professional installation and works through your HVAC unit.
  • Air-to-air exchanger: The air-to-air exchanger is another whole-home solution that requires professional installation. It accomplishes air purification and improves air quality by recycling air and providing ventilation. If it has energy recovery ventilators, it can also help manage humidity and temperature in the home.

By far the most common types of air purifiers are HEPA and activated carbon. There are many air purifiers using both HEPA and activated carbon, which are not only affordable but very efficient in removing 99.97% of pollutants as well as odors and VOCs. Other air purifiers use some combination of mechanical and electrostatic filtration as well as features such as UV light and a humidifier or dehumidifier. They are called hybrid filters.

Air purifier vs. HVAC air filter

The air filter that attaches to your HVAC unit is only able to trap larger dust and dirt particles from the air. It is designed to reduce damage to the unit and its function from the larger particles. There are air filters designed specifically to help people suffering from allergies or asthma, but experts recommend using a stand-alone or whole-home air purifier as well.

Air purifier with pre-filter

Some air purifiers on the market today have multiple filters, including a pre-filter. The pre-filter may or may not be washable. It is designed to capture larger particles that would get stuck in the HEPA filter and increase the latter’s lifespan. it increases noise, reduces airflow, and reduces effectiveness by 40%. Even air purifiers without pre-filters outperform those whose pre-filters are frequently changed. However, people who worry about fur from pets can benefit, and strong fans in air purifiers will keep the pre-filters from restricting airflow as much.

Air purifier with permanent or washable filter

Having to do a lot of upkeep by changing the filter in the air purifier every few months can cost a lot of money. That’s why air purifiers with permanent washable HEPA filters are becoming increasingly popular. The most common one is a HEPA filter, which is just as effective as its non-washable counterparts. A similar washable and reusable filter is called an iFD filter. The permanent filter cannot be cleaned with soap and water but, instead, must be cleaned with vacuum cleaner tools. The disadvantage to both the permanent and washable air filters is that they cannot remove particles that are 2 microns or smaller, including fungi, bacteria, viruses, and some allergens.

Air purifier with humidifier or dehumidifier

Air conditioning and ventilation can help to dehumidify the air, but sometimes, they’re not enough. Dry air can also be a problem, one with which air conditioning and ventilation cannot help at all. Instead of purchasing an air purifier and a humidifier or dehumidifier separately, it’s much more economical to get a hybrid purifier. Also called an air purifier combo with a humidifier (or dehumidifier), it not only improves air quality but adds or removes moisture. Excess moisture can cause breathing issues in people with asthma or COPD and promotes mold and dust mites, while excess dryness causes nosebleeds, dry skin and mucous membranes, allergic reactions, and breathing issues.

Air purifier with UV-C light

Air purifiers using just filters can remove most particles and pollutants. They can also remove airborne mold spores. However, they cannot remove or kill viruses and bacteria. Air purifiers with UV-C light can do both. The disadvantages are that they’re so intense that they can burn people, and many generate ozone. They are also only for small to medium-sized rooms.

Air purifiers for specific needs

Air purifiers tend to focus on targeting certain problems in air quality:

  • Breathing issues: HEPA filter air purifiers remove dust, smoke, pollen, and other potential triggers of asthma, allergies, and other conditions such as COPD. They are the most common type of air purifiers on the market today.
  • Pets: Standalone HEPA air purifiers are not as effective for removing pet dander and especially odors unless they are designed specifically for people with pets. They usually have both a HEPA filter and a carbon pre-filter.
  • Smoke: While many air purifiers remove smoke particles effectively, they cannot remove odors. Those that also remove smoke odors typically have a pre-filter plus a HEPA filter, or a pre-filter, carbon filter, and HEPA filter.

Air purifiers for small spaces vs. large spaces

It is very important to choose the right size of air purifier for the room whose air quality you want to improve. Otherwise, the air purifier will not be able to work effectively. A portable air purifier is often all that is needed for a small room of a certain size. There are also air purifiers for medium-sized or medium-to-large rooms. However, it can be difficult to find air purifiers for large and extra-large rooms. A solution is to purchase multiple air purifiers that each cover a certain amount of square footage.

Air purifier certifications

Here are a few of the most important types of air purifier certifications:

  • CARB: CARB certification is done by the California Air Resources Board to limit the ozone emissions from indoor air cleaners.
  • Clean Air Delivery Rate (CADR): The Clean Air Delivery Rate is a measurement of the cubic feet per minute (CFM) of air that has had certain particles removed, such as pollen/dust/smoke. A good CADR rating is at least two-thirds of a room’s area in square feet.
  • Energy Star: An Energy Star rating means the product has met federally mandated guidelines for energy efficiency. Energy Star products use less energy and save money over time more than non-Energy Star products, about 9% in comparison.

How much noise does an air purifier make?

The noise level of an air purifier is usually given in a decibel range. However, some are fairly well set at a certain level. Most people agree that 40dB is tolerable during the day but difficult to handle when trying to sleep at night. Others may find it difficult to hear the TV over any background noise, including that of an air purifier.

How much does an air purifier cost?

There are several factors that go into the cost of an air purifier. First, there is the initial cost. The second factor is the power consumption of the product, which adds to your energy bill. The last factor is the upkeep to maintain it, including changing or cleaning the pre-filter, carbon filter, and/or HEPA air filter. While it is possible to buy an inexpensive air purifier that is not durable or efficient, there are many air purifiers that work very well and are affordable. The more features an air purifier has, the more expensive it tends to be.

How do I choose the air purifier that’s best for me?

When deciding on an air purifier to buy, consider the following factors:

  1. Room size
  2. Budget
  3. Targeted particles
  4. Particle size
  5. Power consumption
  6. Noise level
  7. Additional features
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Last updated on Jun 23, 2022