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10 Wonderful Best Affordable Air Purifiers in 2023

by Home Kit View

Best Affordable Air Purifiers

If you need an air purifier to improve the quality of the air in your home or to avoid the discomfort of allergies, but you don’t want to make a large investment: we are going to guide you on the best affordable air purifiers on the current market.

In the market there are many basic and not so basic models at a good price, being very difficult to choose. You will have to ask yourself what benefits you need and we will help you with the following comparative analysis with which you can buy an affordable air purifier without fear of being wrong.

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👉MAXIMUM COVERAGE: Cleans large spaces up to 1,600 sq ft in one hour, 840 sq ft in 30 minutes (CADR 380). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

👉HEPA H13 FILTRATION: Trusted to remove 99.9% of particles including odors, smoke, pet dander, dust, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

👉ULTRA QUIET: Choose from 3 fan speeds, with the lowest setting operating virtually silent. Runs at 110 Volts at a min noise level of 46dB and max of 66dB. For the most discreet operation, enable sleep mode to completely dim the unit’s panel lights.

$209.99 See itSee Review

What Affordable Air Purifier To Buy?

As you may have seen in the previous comparison, there are very complete and very cheap devices, but that is not an impediment for them to be reliable.

Today, air purification technology is reducing costs and making very efficient appliances possible, thanks to highly advanced HEPA filters.

Other models can enhance your ability to purify the air, combining multi-stage filtration with other methods such as ionizers.

What is the Best Affordable Air Purifier with HEPA Filter?

Let’s start with the ranking of what, according to our criteria and experience, are the models that dominate the market for the best affordable air purifiers:

1. PRO BREEZE Air Purifier | Best affordable air purifier for home

Best Affordable Air Purifier
Source by amazon

The Pro Breeze 5-in-1 Air Purifier is a cheap but tremendously effective device (it’s the best-selling device on the market today for a reason).

Its filtering system has no less than 5 stages:

1. Pre-filter (to trap large suspended particles, such as cat hair or dust),

2. True HEPA filter (capable of trapping 99.97% of pollen and bacteria),

3. Active carbon filter (to eliminate strong odors or harmful gases),

4. Cold Catalyst Filter (the most effective to eliminate formaldehyde gas) and

5. Negative Ion Generator ( Ionizer ).

It is a very easy-to-use device, thanks to its touch panel. All controls are intuitive and clear, with a pleasant blue backlight for easy operation at night.

This purifier is highly recommended for people allergic or sensitive to pollen, dust, mold, spores, etc. It is also indicated to eliminate the smell of pets (dogs).

Its elegant design allows it to be used both in a room in your home and in an office.

It can work 24 hours a day, but its speed can be regulated to be more effective in all types of rooms: children’s rooms, elderly people, smokers, etc.

The Pro Breeze 5 in 1 purifier is a very complete device, with a great capacity to clean the air, but above all, it has an unbeatable price for the benefits it offers.

  • Elegant design.
  • Filtered in 5 phases.
  • True HEPA filter.
  • Silent in night mode.
  • Ideal for allergies.
  • 3 regulation speeds.
  • Special filter for formaldehyde.
  • Ionizer.
  • Easy to use.
  • Timer for automatic shutdown.
  • Touch controls.
  • No filter change notice
  • It does not have a handle or transport wheels.
Check on Amazon

2. FAMTOP Air Purifier| Best affordable air purifier for smoke

best affordable air purifier
source by amazon

The FAMTOP purifier is a model with a very small size, but it is powerful (120 m3 / h CADR).

As a home purifier, it is indicated for rooms or living rooms of up to 25 square meters, which is applicable to any standard floor in the country.

This device for filtering domestic air has 4 filters with unique characteristics and where each one performs a function.

It is equipped with a true HEPA filter (filters 99.97% of dirt from the air).

It also incorporates a cold catalyst filter, which is ideal for removing toxic gases that are generated in your own home and that no one takes into account: formaldehyde, benzene, xylene, toluene, TVOC, and other unhealthy gases.

The important thing is that it allows the air to be cleaned without the generation of ozone gas (it is harmful), as other purifiers with ionizer or ultraviolet (UV) light do.

Its cylindrical design allows air to be taken in more efficiently and distributed more evenly throughout the room once it has been purified.

The FAMTOP purifier is a device that has a modern and attractive design, ideal for allergies and for use in medium-small rooms (for example a baby’s room).

  • Price.
  • Ozone Free.
  • A system with 4 types of filtering.
  • True HEPA filter.
  • Compact.
  • Recommended for allergy sufferers or people with respiratory problems.
  • Touch controls.
  • 360-degree air intake and impulsion.
  • Design.
  • Programmable.
  • Finding replacement filters can be difficult.
  • At full speed it can be noisy.
Check on Amazon

3. LEVOIT Portable Air Purifier| Best hepa air purifier

best affordable air purifiers
source by amazon

The Levoit Vista 200 purifier is very small and light, with dimensions of 20 x 20 x 33 cm., But it is very reliable.

Its innovative cyclonic air drive system (without blades) allows higher performance with lower electricity consumption (up to 30% less than others with the same performance).

Filters the air in 3 phases, thanks to the triple filter: Pre Filter, Active Carbon Filters and HEPA Filter. It is an Ozone free device.

It is suitable for purifying the air in small or medium-sized rooms, thanks to its three manually selectable speeds, to meet most household needs (quickly remove odors from a kitchen, for example).

Its control is very simple, with the touch panel located at the top. Its pleasant and cylindrical design allows better distribution of clean air throughout the room.

The Californian firm Levoit has achieved with this portable purifier a device with unparalleled technology and performance, at a price that will surprise you.

Definitely, the LEVOIT Vista 200 is a purifier to take from one room to another in a home or office, but very effective in cleaning the air in your home of all kinds of pollen, smoke, pet dander, polluting particles or even some bacteria. and viruses.

  • Design.
  • Triple cylindrical filtration system with True HEPA (level H13).
  • Size and low weight.
  • Ideal as a desktop purifier for allergy sufferers.
  • Programmable 2-4-8 hours.
  • Silent in night mode.
  • It is energy efficient.
  • It does not produce Ozone.
  • Non-reusable filters.
  • It does not have a WiFi connection with the mobile.
Check on Amazon

4. LEVOIT Air Purifier| Best air purifier for smoke

best affordable air purifiers

The LEVOIT LV-H132 purifier has the triple filter system characteristic of the American brand of technology.

The pre-filter traps bacteria, pet dander, mold and mildew. True HEPA (True HEPA) filter captures 99.97% of mites, dust, pollen, PM2.5 particles down to 0.3 microns in size.

The activated carbon filter is responsible for removing strong odors from the kitchen or bathroom, as well as cigarette smoke, reducing formaldehyde.

This modern device is free of ozone (it does not generate it during filtering, unlike others such as some ionizers).

Being cylindrical and having air absorption grids in this arrangement, it can be more effective and consume less light.

At night, it can be put into night mode and is very quiet (it generates only 25 dB of “white noise”), and the lights on the touch panel can also be dimmed.

It is highly recommended and indicated to eliminate the discomfort of allergy sufferers and asthmatics, which is why it is such a sold model and a leader in the brand’s catalog.

As you can see, the LEVOIT LV-H132 is indicated for use in small or medium-sized rooms, being able to be used throughout the day, without rest and with the least electrical consumption.

  • Aesthetics that makes it tone in any home.
  • Very effective filtering (pre-filter, active carbon, and authentic HEPA).
  • Easy to transport
  • Touch control panel.
  • Better distribution of clean air.
  • Too quiet.
  • Programmable (2, 4, or 8 hours).
  • 3 user-adjustable speeds.
  • 2 levels of ambient lighting (night or warm).
  • Very low consumption.
  • H13 level HEPA filter.
  • It cannot be programmed.
  • No air quality sensor.
Check on Amazon

5. TaoTronics Air Purifier for Home

best affordable air purifiers
source by ebay

The TaoTronics Air Purifier for Home features 4-stage filtration, with a high-performance genuine HEPA filter.

It can help achieve clean, healthy air in any home with small or medium-sized rooms.

It also incorporates a pre-filter to remove fibers, hair, PM10 particles, etc.

A third filter is the active carbon filter, to remove 99.99% of formaldehyde, toluene, kitchen odors and smoke.

The last filter that purified air passes through is a sterile cotton filter, to kill bacteria.

In addition to filtering, it has an ionizer, releasing up to 5 million oxygen ions / cm3. This kills bacteria, improves your metabolism, helps you breathe better, reduces your fatigue, and helps you sleep better.

It is programmable so that it turns off automatically in 1, 4 or 8 hours, thus favoring to consume what is just and necessary at all times.

We can say that the TaoTronics Air Purifier is ideal for daily use at home (homes with pets, children, the elderly, smokers, …) or the office as a personal desktop purifier.

  • Design.
  • Quadruple filtering, including True HEPA filter.
  • Ionizer.
  • Sterilized cotton filter special for bacteria.
  • Silent.
  • Touch controls.
  • Programmable operation.
  • 3 filter speeds.
  • Filter change reminder.
  • Disposable filters (cost must be considered).
Check on ebay

6. QUEENTY Air Purifier | Best affordable air purifier for dekstop

best affordable air purifiers
source on amazon

The QUEENTY purifier has an innovative, contemporary design and, above all, it is very efficient.

It is one of the best options to be used as a personal or desktop air purifier.

Equipped with a double filter, with true HEPA and activated carbon, to remove unhealthy air pollutants.

Once the air is filtered, it also acts as an ionizer. It releases negatively charged ions into the air which, in addition to causing the dirt particles found to precipitate to the ground, are known in the healthcare environment as “air vitamins”.

The ions help calm your nervous system, stimulate the immune system, improve the quality of sleep and reduce the feeling of fatigue.

Additionally, negatively charged oxygen ions released into the air can act as skincare products. The negative ions reduce the consumption of vitamin C, creating new collagen to take care of your skin.

We are facing a somewhat peculiar model and that is that it also allows the application of essential oils in its air drive system.

It is oscillating, at an angle of 38º, to improve the distribution of the clean air delivered. It is suitable as a desktop or tabletop purifier in small or medium-sized rooms.

The QUEENTY purifier is the best option as a personal device, baby rooms, elderly rooms, among others.

  • Novel design.
  • Triple filtering, including True HEPA filter.
  • Ionizer.
  • Oscillating.
  • Silent (28 to 35 decibels).
  • SPA function (essential oils) and facial treatment with oxygen ions.
  • Small size, fits anywhere.
  • It does not have WiFi.
  • Without remote control.
Check on amazon

7. Rowenta Air Purifier| Best affordable air purifier for bedroom

best affordable air purifiers
source by amazon

Rowenta is one of the reference brands in air cleaners and dehumidifiers and the  PU4020 is no exception. It is practical and offers performance and power above the average. This makes it one of the best-selling air purifiers on the market and with the best opinions [see opinions]

It stands out for being especially suitable for people with allergy or asthma problems since it has the recommendation of the Spanish Society of Allergology in Clinical Immunology (SEAIC) as well as being ideal for homes with pets, cat hair, or dog dander, thanks to its 4 levels of filtration: 

  • First: pre-filter (powder, human/animal hair)
  • Second: active carbon filter (odors, fumes)
  • Third: HEPA H13 high efficiency filter
  • Fourth: Nano Captur filter to permanently destroy the formaldehyde present in habitual contamination, achieving a safer and healthier stay

It has the capacity to process 345 m3 / air per hour, so it is ideal for rooms up to 60 m2. If you need more power because your rooms are up to 120 or 140 m2 you have models for each volume such as

It stands out for being one of the quietest devices (22 dB in its minimum speed and does not exceed 45 decibels in its maximum speed), which makes it very suitable for use in sleeping rooms thanks to its night mode, and thus guarantee an optimal night breaks.

It also has an intelligent system that indicates the level of contamination with a color code on its LED screen. Blue light: pure air, purple light: pollution, red light: high pollution.

  • Good price with very good quality
  • too quiet
  • It tells you when to change the filter, both ODOR and HEPA
  • Its timer allows you to program it to turn off whenever you want as well as to program its start-up and adapt them to your arrival home
  • Its night mode with quieter speed and dimmer light guarantees not to interfere with your children’s sleep
  • It does not have wheels, you will have to move by hand but it is not very heavy with 5.7 kg
  • Night mode falls short on power
Check on amazon

8. LEVOIT HEPA Air Purifier| Best affordable air purifier for pet dander

best affordable air purifiers
source by amazon

Levoit is a top-selling American brand in home appliances to improve air quality that with the LEVOIT Core200 has nailed it.

The Core300 is a machine that purifies your air at the best price, cheap but with very good quality in its operation. In fact, it does not use UV or ions on purpose so as not to generate ozone traces. Its CADR of 187 m3 / h makes it ideal for rooms up to 40 m2.

Its strong point is its 3 levels of filtration for the price it has:

  • Pre-filter that traps human and animal hair as well as the thickest particles
  • High efficiency true HEPA filter that filters out 99.97% of fine dust, pollen, flower trees and PM2.5 contamination
  • Active carbon filter that neutralizes odors when cooking or smoking.

The filter is changed every 6 months

In addition, the Levoit Core300 has received the Design Award 2020 for its minimalist design that integrates perfect performance. All without reaching 150 euros without an offer [see the price now], when it is with a discount it compensates much more clearly.

The 25 dB at low speed allows you a good rest and good sleep without discomfort. It is true that at a higher speed, more noise, but it cleans more efficiently and faster. Its low price does not conflict with a wide range of cleaning modes: low, medium, and high level allows you to adapt its use to owners’ stays with animals, tobacco smoke, babies and children with allergies, and a maximum of 48 dB at full capacity, one of the lowest noise on the market and the ones that spend the least on electricity since it only uses 33W.

We like its pleasant blue light on its surface with 2 brightness settings that create a very pleasant sleeping environment. Finally, its compact size stands out, perfect for medium-sized rooms such as bedrooms, apartments, offices, and studios.

Levoit has models for larger rooms with higher powers such as the LVPUR131 if your place of use of up to 55 m2 with excellent performance, being an option in these cases.

  • Its low price with a very efficient filtering with H13 filter
  • Its weight does not reach 3.5 kg
  • Modern design and adaptable to any room
  • Your instruction book in Spanish is perfect
  • Very easy and simple to use
  • Blue light cannot be turned off
Check on amazon

9.  Dyson Pure Hot + Cool Air Purifier | Best Air Purifier

best affordable air purifiers
source by amazon

With the Dyson devices, we enter the high-end air purifiers considered as the Porsche of machines to improve your air, yes, at a higher price.

And is that Dyson is a leader in household appliances such as fans and the Hot + Cool Link it has brought together the best of both technologies. This model is inside the air purifying fans.

For example, in summer or hot climates you can use its fan function keeping your house cool and at the same time air of the best quality and very healthy and in winter with its heating function without blades, you will also have the best air in your home.

Do you only want to purify the air without cold or heat? Well, it also has this function: it will only act as a machine to filter and improve your air.

The highlight of Dyson technology is its Air multiplier system, which is capable of expelling 28 liters of air per second through its 2.5 mm thin opening in the rim, and through a process called induction and entrainment, the surrounding air is entrained towards the airflow. Result: smooth, constant, and uniform air-jet without the uncomfortable gusts created by the blades of conventional fans

Its heating function allows you to select between 1 and 37 degrees and thus achieve the exact temperature you want your room to be. With this airflow technology, it is one of the safest heating fans on the market as it does not have blades that could accidentally injure the little ones and stop when it falls.

Its Asthma Allergy Friendly certificate lists it as the optimal purifier for people with asthma, rhinitis, or atopic dermatitis by minimizing allergenic particles in the air.

In short, purify your stay all year round and also with the plus of refreshing your stay in summer and heating in winter.

  • In addition to purifying, fan and heater function
  • You will not give yourself a burning smell like other heaters
  • One of the most effective air purifiers for allergic patients
  • Modern design that serves as decoration
  • High price: it is 3 in 1 function
Check on amazon

10. Medify Purifier | Best Affordable Air Filter

best affordable air purifiers
source by amazon

Modern air purifiers work pretty solid, but now manufacturers are focusing on aesthetics more. The Medify MA-40 v2.0 Air Purifier comes from a Kickstarter company based in the USA called Modify Air, which launched a bunch of good-looking yet effective air purifiers in recent years.

Medify MA-40 v2.0 is the third-highest coverage air purifier from Medify’s floor standing air purifier lineup after MA-112 and MA-50 medel. The unit comes with a 3-in-1 filter plus an optional ionizer. The back-to-front air delivery design with a CADR of 224 cfm is suitable for an average bedroom or even a living room.

Medify MA-40 V2.0 Specifications:

Filtration: 3-in-1 filter package includes a Pre-filter, a HEPA filter, and an activated carbon filter plus an optional ionizer.
HEPA Class: H13-grade True HEPA
Filter Life: 3000 hours or 6 months
Filter Replacement Indicator: Yes
Maximum CADR: 380 cubic meters per hour (m3/h) or 224 cubic feet per minute (cfm)
Sensors: Particle sensor and Light sensor removed from version 2.0
Room Coverage: 336 sq ft with 5 air changes/hr (ACH)
Number of manual fan speed: 4 (including sleep mode)
Automatic Mode: No (removed from version 2.0)
Size: 22″H x 9.9″W x 10.9″D
Device Weight: 15.6 lbs
Rated Power: 54 W
Noise Level: 46 – 66 dB(A)
Voltage: 120 V AC 60 Hz

  • Modern design, convenient touch control panel
  • H13 HEPA filter, longer filter life
  • Honeycomb-shaped pelletized activated carbon filter to remove odors
  • 3-in-1 combined filter pack
  • The ionizer doesn’t produce any unpleasant smell
  • Moderate CADR ratings
  • Sleep mode, 3 manual fan speed, child lock feature
  • Easy to maintain and move between places
  • Lifetime warranty
  • A bit noisier even on the lowest fan speed
  • The particle sensor removed from v2.0
  • Can’t remove strong odors
  • No dedicated washable pre-filter
Check on amazon

Where to Buy an Affordable Air Purifier?

Purifiers are in fashion because people are becoming aware that there can be 2 to 5 times more pollution in a home than outside.

Currently, there is some interest in buying one of these homemade wellness devices.

In Spain, they can be found in traditional shops such as Carrefour, MediaMarkt, El Corte Inglés, etc. But in our experience: we recommend the best affordable air purifier buying an air purifier on Amazon.

Amazon is the fashion portal, where more and more people are fans of its products at a good price, with considerable discounts.

Who benefits from buying the best affordable air purifier?

✔️ First of all, anyone who suffers from an allergy to pollen, mites or an allergy to humidity (mold) and who wants to eliminate it from their homes

The concentration per mm3 of allergenic particles is responsible for triggering crises in people with asthma or rhinitis as well as being responsible for a poor evolution of the disease, even when the disease appears for the first time. The scientific literature and societies support its use in both adults and children affected by these pathologies, as you can see in this article from the European Respiratory Journal published in June 2020.

✔️ Moms and dads of children who suffer from asthma or rhinitis, diseases that are increasingly common in our society

Its use both to prevent crises and reduce said exacerbations triggers are widely supported.

Mites, bacteria, and fungi float in the air and are breathed in by babies, boys and girls. Symptoms such as sneezing, itchy eyes or nose, cough, wheezing in the chest (wheezing), trouble breathing, even a headache can be the cause of an excessively high concentration of allergens in the air.

✔️ Closed spaces with little or no ventilation (such as classes in schools, offices, or restaurants) or with a high concentration of people in which adequate air renewal is NOT  guaranteed with high rates of CO2 and low rates of fresh air according to a monitor of CO2. CO2 levels below 600 ppm are recommended. In this way, you can lower the concentration of coronavirus in case there is a person with COVID in your stay

✔️ Older people with chronic bronchitis are at higher risk of lung infections. As children, the health of the oldest is more delicate than that of the middle ages. Protecting them from bronchitis, pneumonia, and pain is important and all of this is possible by improving air quality with an air purifier. Be careful, not as the only therapy.

✔️ Patients with cardiovascular diseases: it is being studied at the Cleveland Clinic if, in addition to people with respiratory problems, patients with cardiovascular diseases such as hypertension, angina or arteriosclerosis could benefit from its use by reducing the levels of polluting agents. Its evidence is not as clear as in respiratory pathologies, but it will have to be kept in the spotlight. [ Study, study ]

✔️ Homes with pets and any domestic animal in which dandruff and hair from dogs, cats, or canary feathers are deposited in our homes creating dirt and enhancing the appearance or triggering crises in people who are susceptible to allergies or rhinitis.

✔️ Homes, where there are smokers and the concentration of smoke, penetrates curtains and sofas giving the atmosphere rarefied, not to mention the affection of tobacco smoke in our lungs. A purifier eliminates odors, and beyond something aesthetic, it will reduce the affection on children and people who do not smoke.

✔️ Houses, where the kitchen is more communicated with the dining room and the odors despite having a good extractor of humor, concentrate well of sardines, cabbage, or curry. A purifier allows you to cook without fear that the whole house will be stinking with the smell of food. In this case, you should make sure that it has a good quality activated carbon filter.

✔️ Owners of offices, coworkings or workplaces where the density of workers is higher and positive particles accumulate from our computers, speakers and printers and smartphones, generating a decrease in performance at work and absenteeism from work, and that is, poor air quality in your work it can generate tiredness, headaches and itchy eyes due to poor air health. Did you know that the WHO measures a new parameter that is INDOOR AIR QUALITY?

The WHO has identified the environment inside buildings as one of the risks associated with health, partly because we spend more than 80% inside them, hence its importance. In the workplace, poor air quality causes lower labor productivity and absenteeism, in the home it leads to asthma, rhinitis, allergies, pneumonia, and other respiratory diseases.Did you know that you can place an air-purifying plant in your room and nothing happens?

So are air purifiers good?

The answer is clearly yes, buy a clear purifier that will bring you benefits and are effective, as long as you buy it according to the fees that I explain below. If you comply with them, I assure you that your air will be more free of toxins such as benzene and formaldehyde, allergens, and virus and bacteria particles and you will see that it really works.

And what are you going to notice? If you are allergic or asthmatic, your attacks will be less along with your usual treatment, if you are not allergic you will have a lower probability of transmission of certain pathogens and in terms of toxins, you may have fewer headaches and a feeling of a less charged environment in your home and of greater well-being.

What should you look for when buying a home air purifier?

Filter types of an air cleaner

Depending on the models, they can carry up to 6 types of filters: bacterial pre-filter, HEPA filter, high-efficiency filter, active carbon filter. More filters, more resulting air quality although they are also usually more expensive models. Of course, the quality of your air will be excellent. But above all HEPA filters, the rest are accessories.

Prices for a true HEPA filter air purifier

There are good air purifiers with prices from $80-$90 but they are usually for smaller rooms. The larger the room, the more power it requires and the price goes up.

Keep in mind that buying an air purifier is an investment in physical and mental health. It is preferable to save and remove it from other whims and spend it on a machine to improve your air quality of yours. You will not regret it.

  • Air purifiers for less than $100: Levoit, Wanxian, Tendomi
  • Between $100 and $200: Rowenta PU4020, Xiaomi Mi 2H, Philips AC0820 / 10
  • Between $200 and $300. Philips AC4012 / 10, Xiaomi 3H
  • Purifiers over $300: Philips 2000 series, Dyson Cool


Keep in mind that it is an appliance that works like a refrigerator all the time, so your motor should choose the one that has fewer decibels to make your stay more pleasant and especially if it is going to be in a bedroom, let you or your children rest. Most of them have a night function, which reduces the power to the maximum while maintaining the filtering efficiency. In general, decibels are linked to price, the more sophisticated the technology is, the quieter but of course, it is usually linked to more outlay of money, so we tell you that it is an important factor to assess.

Ionizing function

The ionizing function is a function that is in some of the best affordable air purifiers. It is an option that consists of releasing negatively charged ions, which through chemical bonds, bind to the positive particles that are generated especially in household appliances. This in theory.

These positive particles are supposed to be detrimental to our health. With the union of both parts, heavier elements are formed, they fall to the ground and are no longer dangerous for us and our children. They are supposed to disappear when we clean our house. This ionizing function is currently under discussion if it is an extra with real benefits or just a marketing concept to sell more, so in reality, it would not be one of the reasons for us to choose the best affordable air purifier. 

In This article from the International Journal of Molecular Sciences entitled “Negative air ions and their effects on human health and the improvement of air quality” concludes that: no consistent or reliable evidence was achieved on the therapeutic effects with the use of ionizers, and that more studies are needed to affirm their potential theoretical beneficial effects.

On the other hand, it also highlights that although its benefits have not been proven,    no data showed the harmful effects of negative ions (emitted by an ionizer) in humans/animals

It also very quietly concludes: evidence showed negatively charged ions could very efficiently remove particles, including ultrafine particles, providing an alternative way to clean indoor air, especially during pollution episodes.

It will not hurt you, so if you have a budget, it is a function that you can look for your purifier to have because something better the air seems to clean. EXCEPT if you have asthma.

The use of ozone-producing air purifiers can worsen the ambient air rather than improve it as the effectiveness of removing pollutants nitrogen dioxide or formaldehyde is low. These ionized purifiers are not recommended in homes or places where asthma patients live.

Maintenance cost (price of HEPA filters)

These air improvement machines have filters that must be changed, so you must bear in mind that together with the initial outlay every X months depending on the model and size of the filters, you will have to change them. There are cheaper filters and more expensive filters, it depends on their size, but fortunately, there are white brands of filters that help a little in saving maintenance.

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👉MAXIMUM COVERAGE: Cleans large spaces up to 1,600 sq ft in one hour, 840 sq ft in 30 minutes (CADR 380). Ideal for homes, apartments, bedrooms, living rooms, offices, schools, universities, classrooms, hospitals, restaurants, and other businesses.

👉HEPA H13 FILTRATION: Trusted to remove 99.9% of particles including odors, smoke, pet dander, dust, and more down to 0.1 microns in size. Captures finer particles than HEPA H11 (0.3 microns).

👉ULTRA QUIET: Choose from 3 fan speeds, with the lowest setting operating virtually silent. Runs at 110 Volts at a min noise level of 46dB and max of 66dB. For the most discreet operation, enable sleep mode to completely dim the unit’s panel lights.

$209.99 See itSee Review

Energy consumption

Like a refrigerator or a washing machine, they have increasingly lower energy consumption and are valued with the famous A, double AA, or triple AAA. Air purifying machines also have this seal. Try to choose those that although the initial cost when buying it is somewhat lower, in the long term you will consume less with what in the end you will save money with that energy saving, not to mention the polluting saving.

Easy to use

There are devices with many functions but that you still do not use, so choose the one that is simpler to use and with functions that you will really use. It is true that there are machines with apps that you can control from your mobile, but they are linked to being more expensive just for that. So we recommend that you spend more on power or less noise and not on just one app.


There are portable air purifiers on hand that are usually smaller, by then for smaller rooms and tabletops, and there are purifiers for larger and larger rooms. Choose the model that does not bother you later in your home, with the same or similar characteristics, always choose the smallest and least bulky.

Dimensions of the place of use

Measure the room where it will work, height by width by height to calculate the volume in cubic meters of your dining room, office or bedroom. Depending on this, choose your purifier

Rooms are usually smaller and therefore admire filtering of smaller cubic meters, but a dining room or office that is usually larger will require more power and greater airflow. Look at the characteristics of your model. 

Filter change indicator

It is not nonsense. As in automatic coffee machines, the good thing is that you see how much you should descale and not be aware of that you go overboard, choose a purify that tells you when to wash and when to change the filter, in this way you will maintain the quality of your air and maintaining your device at the best level. You will get rid of headaches.

How often is the HEPA filter changed?

The HEPA filter must be changed in strict accordance with the manufacturer’s recommendations. They usually range between 6 and 12 months but it depends a lot on the hours you make it work, that is why many manufacturers will tell you: change HEPA filter every 4,500 hours of use for example.

But don’t worry, many of the air purifiers on the market today will indicate and advise you when to make the change.

Of course, if you have to change the filter, do not leave it, change it. It is very important so that the air you breathe remains of quality and does not float without filtering particles and viruses in the air of your home, office, or school class

I recommend buying together with the best affordable air purifier at the same time and a replacement HEPA filter to have it on hand.

How do you change the HEPA filter on a home air purifier?

I ask your attention because it is an important moment and you must do it well not to take risks that are easy to avoid.

Whether you have it to eliminate allergens, flu viruses, coronavirus, or toxins such as formaldehyde, the experts have it clear:

  1. Try to change it after the purifier has been unused for a few days, for example in an office Monday morning, in a school ditto. The risk is very small but better to be safe. The viruses that have been will have been inactivated.
  2. Take the purifier outdoors if possible
  3. Wash your hands and put on gloves
  4. Put on a mask, especially tightly fitting and sealed to your face
  5. Change the filter and put it in a sealed plastic bag before disposing of it
  6. Leave it in the bag for 72 hours, although it is possible that viruses will die within a few hours as they do in aerosols or within a few days as they do on surfaces

For more information, I refer you to the Spanish document by Jose Luis Jiménez, a Spanish aerosol expert at the University of Colorado (USA) and all his scientific colleagues.

Types of air purifiers

Why do you specifically want to buy an air purifier? It is not the same that you want it to purify the air and reduce negative ions than having an allergy and you want that function to be the most developed.

HEPA filter air purifiers (true HEPA or true HEPA): this should be EVERYONE, without HEPA there is no purifier

Ionizing air purifiers: in addition to filtering the air, they emit negative particles to counteract the positive particles that are emitted in our homes by electrical appliances, and the union of both makes them fall and can be vacuumed.

Air purifier with activated carbon filter: if you want a purifier that also eliminates bad odors, you must have an activated carbon filter. This is a system with a porous filter that retains odoriferous particles.

Ozone air purifiers: it is not recommended for home and at the domestic level (although you will find guides for its sale). In CafeyBici you will not find any recommendation on ozonated for the home since the control of this gas must be exhaustive as it is toxic from 0.3 parts per million and is the trigger for asthma attacks in susceptible patients. Ozone is a toxic gas either because it is generated directly or because it is the result of a chemical reaction in ionizers.

Opinions of users and buyers of a portable air purifier

In addition to checking that your air cleaner has a truly approved HEPA filter and that the size of your stay is adequate for its power, I recommend that you read the opinions of users who have already bought and tested the purifier you want to buy at home, so you have another sure point that the air purifier is of quality. You can find user opinions on the official website of the manufacturer, on Google, but where you will find more opinions on air purifiers is on Amazon

I recommend that you read both the very positive and negative scores because you will get useful information from all the opinions.

Real users of air purifiers, generally allergic or workers in rooms with poor ventilation, report positive opinions such as:

  • I am allergic to asthma and my air purifier and I never sleep apart anymore, it has improved my sleep quality by 200%
  • It is capable of detecting and alerts you when it is frying something in oil or you are painting your nails. I think everyone should have one at home, especially allergy sufferers
  • You can see a lot in the filtered air, I live in Chamartín Madrid, and when I put it on for the first time the red light failed, when the windows were closed and in operation it changed to blue and the breathed air was noticeable a lot, my problems with rhinitis and throat burns me being very sensitive and I have certainly improved.

Apart from the opinions of buyers, the different scientific studies show the benefit of its use, especially in children, the elderly, and adults with an allergic component.

Best brands of air purifiers

The big brands have opted for the air quality improvement industry, they know that it works, that pollution and allergies are on the rise and their presence in homes and businesses is here to stay. They are quality brands of a lifetime with a guarantee in their history. Dehumidifiers, ozone machines, aromatizers, ionizers, … the industry to improve our air is in exponential development.

Rowenta, Delonghi, Xiaomi i, Dyson, Philips: They are big brands within household appliances and all have opted for lines of research and production in the improvement of the air both at a domestic and industrial level.

Where can I buy a reliable air purifier?

The first thing you should always do is make an informed purchase, that is, wherever you go and buy where you buy, be it a physical store or online, it is better to inform yourself in advance in order to be more oriented and know what it is about.

What do you want it for, allergies, fresh air, in which room, how big is the room, office or dining room where it will be, if you want it to be portable to move around, portable with wheels, not occupying much or not make noise.

The good thing about online stores is that you can have all this purchase information from home and at the same time have all the models of these appliances with the best brands and best affordable air purifiers on the market at a click. Delonghi, Philips, Rowenta, Dyson, .. and be able to make a comparison

In Amazon you can see all the brands, all the models and air purifiers, see the opinions of the users, I advise you the 4 stars that are the most objective opinions, you will have at home in 48-72 h if you are Prime and if not You are satisfied in 1 month you return it and they do not give you any problem.

What is the best air purifier according to the OCU?

The Organization of Consumers and Users (OCU) does not refer to any specific model as the best, let’s not get wet, but what it does make clear is how a good air purifier has to be in order for it to really fulfill its function

Another aspect that the OCU addresses is what an air purifier does NOT work for, and that the issue of air purifier and coronavirus enters. They may try to sell you with fear now of COVID disease and air quality how good and best affordable air purifiers to protect your home from the virus

Nothing could be further from the truth: to protect yourself from COVID, the WHO says it very clearly: social distance, frequent hand washing, and masks, and for the home the best method to avoid its accumulation something as simple as opening the sales and that Air the whole house for 20 minutes once a day.

It has been shown that the virus accumulates and tends to generate more infections in closed spaces such as houses, restaurants, meeting rooms, but we repeat: to reduce the possibility, the contagion must be aired.

Although these statements in May 2020 must be updated after the new research and recommendations of the Ministry of Health or the new forms of transmission of the virus by aerosols as you can see in this link.

On the other hand, another aspect that the OCU highlights as essential for a quality air purifier is the HEPA filter. It must have a HEPA filter yes or yes and it must meet quality standards. If you are an allergic patient or your children suffer from asthma and want to find out about its implications with COVID 19, I recommend reading these two posts with scientific and prestigious evidence:

  • The recommendations of the Spanish Society of Clinical Immunology, Allergology, and Pediatric Asthma include in Spanish the decalogue of care for people with allergies during the pandemic of the World Allergy Organization (WAO) of 2020.
  • The post on Asthma, allergy, colds, and COVID19 What should we know? written by Pediatrician Lucía Galán.

Air Purifiers, Portable HEPA Filters

I refer you to the PDF guide, on page 27 it talks about the suitability of the use of portable air purifiers with HEPA filters in closed spaces, along with the rest of the measures published by the   Ministry of Health, the Ministry of Ecological Transition, and Demographic Challenge and the Institute for  Energy Diversification and Saving, with the participation of experts such as ATECYR or FEDECAI among them.

“It has been shown that the risk of airborne transmission by the SARS-CoV-2 virus inside buildings is higher when there is little ventilation. By studying the facilities, their operation can be adapted so that they act as one more preventive measure against contagion, forming part of the solution. “

Of course, make sure that they comply with the UNE1822 standard


What is an air purifier?

An air purifier, or rather, an air cleaner, is an appliance designed to reduce the concentration of pollutants in our home and / or any other closed place. In this way, it helps to improve the quality of the air we breathe since it  reduces pollutants such as pollen, dust or tobacco smoke, inhaling it and passing it through a system of several and different filters. As a result of this filtering, it expels cleaner air free of harmful allergens or particles.

They are very beneficial for those people or children who suffer from allergies or asthma since by reducing the concentration of allergens, they reduce their symptoms, contributing to the better evolution of the disease, its treatment and recovery. 

They are capable of creating an indoor environment up to 99% cleaner, creating a more pleasant environment that is less prone to the spread of communicable diseases.

Why buy an air purifier? 5 scientific reasons

5 reasons why the science recommends buying domestic best affordable air purifier as in this study April 2021

How does an air purifier work?

An air purifier has a filter system that allows it to retain dust and allergens, absorb chemicals, fumes and gases and the activated carbon filter removes gaseous pollutants and odors being trapped in the porous surface of the absorbent. Dirty air enters the filter inlet and particles, viruses, bacteria and contaminants are trapped by the filter at 3 levels:

ONE: The pre-filter that removes larger particles such as fibers and heavy dust.

The bacterial prefilter

  • It is not only a filter that passes into the air and thus cleans it, since they are also capable of destroying viruses and bacteria.
  • they also produce activated oxygen that serves to reduce odors and negative particles that are responsible for larger particles.

What is the difference between an air purifier and a humidifier?

The difference between a humidifier and an air purifier is quite a few. They have in common that both are air treatment systems, but what they do is totally different.

While an air purifier aims to improve air quality by eliminating all those suspended particles that can be harmful to us, whether they are allergens that can trigger an asthma attack or a sneeze salvo or they are particles that in a certain concentration are harmful such as formaldehyde as well as elements from the smell of food. Whether or not you have a pathology, an air purifier will benefit you, although perhaps if you are allergic you will notice it more.

On the other hand, a humidifier is not intended to eliminate but on the contrary, to add water vapor, to moisten the environment, which especially in certain seasons and areas is notable and can be even more accentuated with the use of air conditioners or heating, especially hot air.

By increasing the degree of humidity in a room that had a “dry environment”, breathing can be improved, especially for the most sensitive such as babies, children, or those who suffer from throat or eye problems. Of course, a humidifier must carry strict maintenance and cleaning control so that there are no problems associated with humidity and pathogen growth.

Is a purifier the same as an air ionizer?

No. A purifier has several filters and its objective is to eliminate allergens, bacteria, odors, gases, even formaldehyde,  thus improving the quality of your air and making it healthier.

What an ionizer does is emit negative particles, to counteract the multiple positive particles emitted by our appliances and that the union of both weighs more and precipitate to the ground and surfaces and then eliminate them when we clean our home

What is a HEPA filter ?

HEPA stands for High-Efficiency Particle Assistance. A HEPA filter is like a paper filter, capable of removing at least 99.97% of aerosol particles from an air stream that passes through it, above or equal to 0.3 microns in size and of course even more if the size of the particle is larger.

The HEPA filter must be the appropriate size for the room to be cleaned.

These filters also often have an antibacterial coating. It is not a simple filter, it is several layers of different materials with the aim of achieving high-efficiency air filtration. They are the true air cleaners.

Do all purifiers eliminate odors?

No. A quality purifier must have at least a HEPA filter as we have mentioned, which is the one that will eliminate particles down to 0.3 microns, but those responsible for odors are smaller and need not a HEPA filter but a carbon filter active. If you want to use your purifier to also eliminate the smell of dogs, fish, or tobacco, you should buy one that has an active carbon filter, which not all have. It’s like an extra.

Where to place the air purifier so that it works in the best way?

The place where you place the air purifier that you have bought determines that it works correctly and that it does so optimally, avoiding its early damage.

Basically, if you follow some tips on where to place it, you will get its full performance:

  • Avoid obstacles : that the air circulates freely, reaches him easily and he can return it purified without colliding with anything. Avoid walls, furniture, and other objects that can interrupt air flow. More or less it is recommended that at least this 10 cm separated from any potential obstacles. By the way, avoid corners too, why? Well, because most household portable air purifiers take in and suck in air from the side and expel it vertically. If so, it is best to place it in the center of the room Placing it in the center is to ensure that the greatest amount of air in the room reaches the filter, since for example, if it is placed near a wall, the air from one side of the room will leak faster than the other side.
  • Avoid placing it near humid places : humidity can cause damage to your purifier and prevent the correct treatment of the air.
  • Place it near the source of “contamination” : that is, if you have it to eliminate kitchen odors or because you smoke, place it near these emitters during operation. This way you will get the pathological air to be treated earlier and have the best air in your home also before.
  • Adjust the size of your room to the power of your purifier , do not try to optimize it to save money because what you will do is that you will not notice that it works and on top of that you will make it work more than necessary and it will break down early. Measure the surface of your dining room or office and look at the technical data sheet of your machine.
  • High place (not essential): if you can, place it in a high place, in this way you will avoid tripping, it will get wet from accidental spills of liquids and it will treat the air in a more homogeneous way from its filters to the ceiling
  • Windows and doors closed : once you have ventilated the house (an essential act for every human being who wants a good quality of the air in their home, with or without a purifier) ​​and you start the purifier, it is better that windows and doors are closed to that the air flow is constant and its optimal cleaning. You can imagine that a hallway is not a good location.
  • All these actions will make it better if you have chosen a portable model , either by size or because it has wheels that allow you to transport it to different rooms depending on where you are throughout the day. From the dining room in the morning to a bedroom at night. You will make the investment profitable

Also, depending on the room you are going to purify, you can still improve its performance further. For example:

Sleeping room purifier : place it 1.5 to 3 m away from the head of your bed, pointing towards you. Closer you may feel the air and it annoys you and further away you may not notice its maximum benefit. It should also be on the ground. By the way, if you are going to use your purifier especially in the bedroom, we recommend that you choose one with a “closed system”, in this way, the device keeps clean air completely separated from dirty air.

When and how to change the filters of your air purifier?

If it is important to choose the power of your machine adjusted to the dimensions of your room, it is important to change the filter exactly when it plays and how it plays.

In fact, it is recommended to buy a replacement HEPA filter with your purifier, to have it when you have to change it and do not alter the dynamics of the air quality of your home, waiting for it to arrive when you buy it then.

In the same way, you must change the active carbon filters according to manufacturer regulations if you use your purifier to eliminate tobacco and fried odors in your home.Advice
If you want to avoid fried smells, I recommend you go to air fryers , healthier, cheaper and with less smell of fried food at home

Why is it so important to change the filter at the moment you play? Well, because when the filters accumulate too many particles, the flow through the filter drops, so to maintain effectiveness the filtering must be replaced when indicated by the manufacturer, it will extend the life of your HEPA filter because your air, your machine and you will be harmed

Thus, in general, HEPA filters should be changed every 6 months or 1 year and 3 to 6 months for pre-filters . Even in spaces where the concentration of alerts or pollutants is high, talk about changing it before.

But if you have any doubts, consult the instruction book of your purifier and your manufacturer in which it will indicate exactly when to change it. Fortunately, most models have a replacement warning function and it alerts you well in the purifier itself on its LED screen or on your smartphone when the date is approaching or when the filter is already dirty with too many particles.

Well, we hope we have helped you. Think that with clean air in your home you will be able to enjoy  better health and at those times having a good coffee from your domestic coffee maker with your family or perform more if you are exercising at home 

If we have helped you choose the best ideal and best affordable air purifier for your specific case, we would appreciate it if you shared on Facebook, Twitter or Pinterest. Surely someone else benefits and you help us to continue with our sport and health project. You just have to click on one of the icons below.

Also, if you have any questions about air, allergies, asthma and purifiers, write in the following form and we will gladly solve your problem or doubt.

Sincerely thank you in advance.

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