Best Air Purifier

Protecting your family from colds, flu, and asthma attacks could be done with the best air purifier. However, the selection of the right appliance could be difficult if you are not aware of the basics. In other words, before you jump into purchasing an air purifier, you should be knowledgeable enough regarding the machine.

By having ample awareness of what an air purifier does and how to carefully select one, your investment will certainly not be wasted. When reading air purifier reviews, you should take note not only the functions of the appliance, but also its energy usage.

In other words, there are still appliances out there that may purify your indoor air, but will not be able to keep the energy costs down. In such case, you better study how an air purifier also functions.

Best Air Purifier Comparison:

10 Best Air Purifier for 2018

Now that you have adequate knowledge regarding the air cleaning system, you can proceed into this set of air purifier reviews. There may be several products available on the market, but only a few could ensure high-quality performance. To give you a better selection advantage, here are the top 10 best air purifier as recommended by customers:

GermGuardian AC4825 3-in-1 Air Purifier

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This is the top quality air purifier you could find today, as proven by its best-selling tag and customer-recommended advantage. It is an air cleaning system that makes use of genuine HEPA filter, UV-C sanitizer, and odor reduction technology.

Through the use of the product, you could benefit from its 99.97 percent efficiency in removing airborne particles with sizes of 0.3 microns inclusive of pollen, pet dander, allergen, bacteria, and virus. The product is made with a charcoal filter that will not simply free your house from harmful substances, but also avoid the circulation of odor due to cooking, pets, and smoking. Alternatively, it has a UV-C technology that kills germs, bacteria, mold, and viruses found in the air as powered by titanium dioxide.

Its CADR is more than 100, and it has been recommended for use in medium-sized areas. Furthermore, it received an energy efficiency certificate, ensuring that it has met the stringent regulations of Energy Star.

You may also use the air purifier in your nursery since it has a very quiet operation. It will keep the indoor air of your baby’s room sanitized all night.

The air purifier also has an additional feature – an indicator light that informs you if you have to replace the filter and UV-C bulbs.


  • Reduces the frequency of filter replacement.
  • Effective in removing smell from indoor air.
  • Perfect for houses with pets.
  • Straightforward functions.
  • Not too loud.


  • May emit plastic-like smell.
Honeywell 50250-S True HEPA Air Purifier

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The air purifier guarantees that it will enhance the quality of air in your home or office. It has an effective HEPA filter and three power settings. It is recommended for use in places with an area of 390 square feet. It targets pet dander, dust, pollen, and other airborne irritants. The product also features a Surround Seal Technology that reduces air leaks, guaranteeing that all air will go through the filtration core.

Apart from the airborne particles, the best air purifier is also useful in combating harmful gases, odors, and cigarette smell in your home through its activated carbon pre-filter. The appliance also has a filter replacement notification, letting you know when to change the main air cleaning component. It also eliminates the need for frequent filter replacement since the HEPA component may work for as long as three to five years.

In case of replacement parts, you could easily obtain them from its manufacturer and accredited suppliers. You also have the advantage of a five-year limited warranty.


  • Long-lasting HEPA filter.
  • Easy to maintain.
  • Portable.
  • Highly functional but simple.
  • Maintains sufficient air circulation even at low setting.


  • Operates with noise.
Holmes Small Room 3-Speed HEPA Air Purifier with Optional Ionizer

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This air purifier is well-known for fitting in most home spaces either vertically or horizontally. It also has a smoke CADR of 70. Generally, it is recommended for rooms having an area of 109 square feet.

The product may be compact, but it could do a lot for your indoor air purification. It has tons of useful features and robust filters that could get rid of both large and small particles. You may even program it in various speeds based on the amount of pollutants present in your home at a certain situation. Moreover, it is a great option if you would like to get rid of cigarette smell frequently or if you want to keep the smell of the paint from circulating.

The product has a true HEPA filter. It targets pollen, pet dander, dust mites, bacteria, or even viruses. Apart from this highly effective filter, you also have the optional ionizer. This is fairly important if you want to add ions back into your home or office. Through sufficient amount of ions, you have the advantage of feeling energized.

The speed settings of the air cleaning system have always been commended for these are greatly helpful in sustaining the purity and freshness of air in your home. You may select the low setting to avoid too much noise while keeping the environment clean. Alternatively, the high setting is ideal for maximum purification with extra noise.


  • Comes with washable and reusable pre-filter.
  • Emits small amount of noise.
  • Solidly built.
  • Solves storage issues.
  • Low cost.


  • High setting may be too loud for others.
OION B-1000 Permanent Filter Ionic Air Purifier Pro Ionizer with Sanitizer

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This is another considerable product if you are looking for a top-performing air purifier. It has the capability to kill bacteria, germs, and viruses, among others. It prevents microorganisms from causing diseases in your home.

The best air purifier has an ultraviolet germicidal irradiation to make this happen, guaranteeing that it could also work in offices and hospitals. As claimed by experts, this technology may also get rid of infections and respiratory problems.

O-Ion also has electrostatic purification which reduces the amount of odors, pollen, smoke, allergens, and mold in your indoor air.

If you would like to put it in the nursery, you may do so since it has an ultra-quiet operation while it sterilizes the environment around you.

Despite being an air purifier, its carbon filtration enables it to absorb the pollutants and eliminate bad odors which may make your allergies worse.

Furthermore, take note that this air purifier has a permanent filter, which means that you do not need to throw out or replace anything after long use. It also has energy-saving settings. In general, its electricity consumption is only 7.5 watts (W). The purifier is even very easy to clean since you simply have to remove the electrostatic collector rod and wipe.


  • Works in eliminating itchy eyes and stuffy nose.
  • Can fit almost anywhere.
  • Whisper-quiet operation.
  • Makes indoor air smell cleaner.
  • Has night light feature.


  • Plug may overheat after over six to eight hours of usage.
GermGuardian Air Purifier FLT4100 GENUINE HEPA Replacement Filter E

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The air purifiers are made of a combination filters which is inclusive of genuine HEPA filter. Through the use of the top-quality filter, you could get rid of as much as 99.97 percent of allergens, dust, and other airborne particles. Other than the HEPA filter, it also has an activated carbon filter that could get rid of unnecessary odor due to cigarette smoking, cooking, and pets living in the house. The filters are suitable for the GermGuardian models AC4850PT, AC4900, and AC4825.

Since it is powered by HEPA filter, you could force the air to be filtered every time it circulates around your home. It will completely prevent air pollution due to pollen, dust mites, and mold spores. This is best utilized if someone in your family has asthma or allergies. It could bring quick relief since pollutants could easily be trapped.

You could trust GermGuardian’s filters to remove almost every particle present in your indoor air, which may also be responsible for making your allergic reaction worse. Moreover, the air purifier ensures that the contamination will not be brought back to your air.

The great advantages of the HEPA filter are even improved by the activated charcoal filter that is also present in the air purifier. It does not only attract toxic substances, but it is also completely harmless even when it comes in contact with your skin or when accidentally swallowed.


  • Works strenuously in removing airborne particles.
  • Easy to replace.
  • Reduces breathing difficulty.
  • Ideal for homes with smokers.
  • Quick to install.


  • May be too short.
Winix 5300-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing Carbon Filter

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This purification system for indoor air makes use of HEPA technology as well. For odor removal, it is also customized with carbon filter. Apart from getting rid of 99.97 percent of pollutants in the air, it is even perfected with a three-stage cleaning system. This makes it trustworthy in capturing almost any kind of substances in the air, such as mold spores, pollen, organic chemicals, and pet dander. PlasmaWave is another purification solution alongside HEPA and carbon filtrations which breaks down pollutants without emitting ozone.

The fan is automatically adjusted by its Smart Sensor. It could even be used for bedtime since it has a sleep mode for quiet operation. This implies that the air purifier is also useful in nurseries, offices, and kids bedrooms.


  • Keeps the purifier at low setting.
  • Removes any odor in homes.
  • Best for allergic people.
  • Very quiet operation.
  • Easy to operate.


  • Report of poor customer service.
Blueair Classic 405 Air Purifier with HEPASilent Filtration for Allergen Reduction

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This product is known for its HEPASilent air purification system. Furthermore, it is available with WiFi-enabled feature for connecting to your smartphone. This makes the filtration more customizable based on your needs with utmost convenience. The best air purifier is available with three fan speeds. It also has been commended for its whisper-quiet operation.

It could be used with the SmokeStop filter which makes it capable of getting rid of VOCs, odor, and smoke at once. The filter is sold separately by the supplier. You may even extend its warranty up to five years through registration of the unit.


  • Ideal for homes in polluted cities.
  • Tolerable noise for night time use.
  • Manual or automatic settings.
  • Helps asthma sufferers recover from congestion.
  • Does not generate ozone.


  • SmokeStop filter is sold separately.
GermGuardian AC5000E 3-in-1 Air Purifier

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This three-in-one system is perfect for sufferers of allergies. It makes use of the ever-trusted true HEPA filter, which has a 99.97 percent efficiency in removing particles as small as 0.3 microns. It claims that it uses a doctor-recommended air filtration solution as per the statement of American Academy of Pediatric Allergy and Immunology doctors.

It is not simply an air purifier that will remove dusts from the air, but will also kill germs through its UV-C light technology. Moreover, it is perfected with charcoal filter that reduces bad odors in your home. The product is lightweight and is 28 inches tall. You could use it in both medium and large areas. Furthermore, it has a CADR of more than 125 and three speed controls.

There are available replacement parts under the developer of the air purifier itself to sustain the warranty and product performance. The filter will only require replacement every six to eight months based on usage of the machine.

The product is certified energy-efficient by Energy Star. In addition, it could also work all night without disturbing your peaceful sleep due to its quiet operation.

It is a considerable product choice since it comes from a reliable manufacturer of small appliances for families. Guardian Technologies has long been committed in creating healthier options for people.


  • Makes air smell sanitized or clean.
  • Clears allergy-causing airborne particles.
  • Ideal even for large rooms.
  • Has filter replacement indicator.
  • Lightweight.


  • Construction is not solid.
Fellowes AeraMax 100 Air Purifier for Allergies

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This air purifier claims to have a hospital-standard system, which means that it could get rid of all possible airborne particles harmful for the health. It is recommended for use in rooms with areas of 100 to 200 square feet. It has features of detecting air quality and adjusting automatically for purification.

It has a true HEPA filter, which will not simply remove dust, pollen, or allergens, but also get rid of bacteria, viruses, or harmful microorganisms. Added with the top-of-the-line air cleaner is the carbon filter that can remove odor and large particles. The product is best for seasons of flu and colds. Moreover, it has a certification from Asthma and Allergy Foundation of America.

The best air purifier also boasts its PlasmaTRUE technology which creates a charged field that will guarantee safe removal of pollutants in the air. Although it works in several means, it sustains an ultra-quiet operation.

The four-stage purification system of the air purifier begins with the carbon filter which will capture both airborne particles and odor. Next, the true HEPA filter will work to eliminate substances as small as 0.3 microns. The third stage is the AeraSafe antimicrobial treat that will prevent mildew, bacteria, and fungi growth. Lastly, the PlasmaTRUE Technology will work to create an ionized field.


  • Best for asthma and allergy sufferers.
  • Super quiet air purifier.
  • Has special setting for kids against flu and colds.
  • Makes air scent fresher.
  • Has simple controls.


  • Manual will not answer all concerns.
Honeywell HHT-011 HEPA Clean Compact Air Purifier, 85 sq. ft.

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The air purifier is recommended for use in rooms having an area of 85 square feet. It has dimensions of 9.40 inches by 5.8 inches by 12.9 inches and a sound intensity of 60 decibels (dB). It is a very compact air cleaning system that is powered by a HEPA-type filter. Take note that the filtration system is permanent which means that you do not need to throw or even replace it every time airborne particles are collected. You simply have to dry it and put it back into the appliance.

Through the use of the HEPA filter, you could get almost every harmful substance in the air. There should be no worries regarding the time of filter cleaning since there is a light indicator to notify you.

In the case of noise reduction, this model of air purifier does it well. Aside from its low noise emission, you may even set it in three operation levels, which are low, medium, and high. Generally, it is a very quiet air purifier, making it ideal for bedroom use. Even the medium setting is considerable for the air purifier only emits white noise during operation.

The space-saving design of the air purifier is also worth the praise. You could fit it in any room compared to other units. Moreover, it could also include an ionizer if you choose to, which will add an extra filtration layer.


  • Requires little maintenance.
  • Ideal for bedroom use.
  • Works for longer periods.
  • Prevents sickness in children.
  • Inexpensive.


  • Slow start speed.

How Does Air Purifier Remove Humidity?

Air purifiers could also be termed as air cleaners for they remove the contaminants or harmful substances from your room’s air. In other industries, an air purifier may be used to get rid of carbon dioxide and other impurities before proceeding to their manufacturing processes or operations. There are different techniques used by the appliance to make the air purification happen.

Primarily, you have the technology of thermodynamic sterilization or TSS. This utilizes a ceramic core in order to sterilize heat with small capillaries. The heating temperature is commonly set at 200 degrees Celsius.

Through this procedure, as much as 99.9 percent of dust mites, fungus spores, bacteria, and viruses could be removed. The process of air convection assists in purifying the air that passes through the central passage, which will then be cooled by plates for heat transmission.

Aside from the given procedure, there are also best air purifiers that use the ultraviolet germicidal irradiation or UVGI. It is commonly employed in sterilizing air that goes through lamps emitting UV via enforced air. It could be portable appliances with protected UV lamps. The idea is to move the toxic or harmful substances in the air through the lamps.

Moreover, you also have the filter-based air cleaning. An air purifier will force air through a filter in order to capture whatever harmful substances it has. There are high-efficiency particulate air or HEPA filters that could get rid of as much as 99.97 percent of these small particles from air.

What Does Air Purifier Do For You?

There are lots of things that an air purifier will do not only for you, but also for your entire family. Primarily, it is all about long-term health. You may not see it, but with a contaminated air at home, you are silently increasing the health risks for your family.

Air quality has long been considered a big factor in keeping your health manageable. In contrary, air pollution is one of the most harmful reasons why people get colds, asthma attacks, and allergic reactions, among others.

With an air purifier, you could clean as much as 99.9 percent dust or disease-causing substances from your indoor air. This is the reason why doctors often recommend the use of purifier for asthma sufferers. The machine frees the air from whatever substances that can initiate difficulty in breathing.

In addition, if you have a smoker at home, you could rely on the appliance to help avoid second-hand smoke effects. Even the smell could easily be eliminated from the air.

Furthermore, your home will have the advantage of getting rid of bad odors, whether medicinal or dirt-related. This is necessary if you want to have clean air circulating around your home, which makes it prepared regardless of unexpected guests coming.

Lastly, an air purifier could also protect your furniture from premature degradation. The appliance also has the goal of reducing the need to maintain appliances or protecting your furnishings. There are cases where a furniture may degrade prematurely due to large amount of dusts and pollutants at home.

Best Air Purifier

Types of Best Air Purifier in the Market

Alongside the selection of an air purifier is choosing the type that would best suit your home. It may be confusing at first, especially if it is your first time using the appliance. To give you some guidelines, here are the different types of air purifier in the market:

HEPA Air Purifier

This is a technology that has been used for many years in order to get rid of the smallest particles found in the air. It could trap substances bigger than 0.3 microns by as much as 99.97 percent. Take note that only those particles larger than 10 microns are visible to the human eye. Aside from removing the smallest possible particles, HEPA air purifiers could also filter bacteria and mold. This is the reason why it could bring a more hygienic surrounding in no time.

Ionizing Purifier

This makes use of the corona discharge procedure whose objective is to develop ions. Ions are molecules charged in order to pick up larger substances in the air. As the air passes through the corona discharge, particles will be ionized. Once this occurs, it will be attracted to substances with opposite charge. As a result, these small substances will group together and become heavier, ending with their removal from the air.

Carbon Air Purifier

This type of air purifier makes use of activated carbon with several pores of molecular sizes, which have capabilities of bonding and absorbing chemically. Through these attributes, the carbon filters are useful in trapping odors, chemicals, smoke, and gases, among others. Re-contamination is also prevented by this air purifier since it does not release the pollutants back into the air.

UV Technology

This air purifier is usually utilized with HEPA systems since it does not have a more effective capacity in order to remove all airborne substances. However, it is best used if you want to destroy all the viruses and bacteria in the air.

Ozone Generators

These are air purifiers that function almost similar to how ionizers work. The difference is its alteration of oxygen molecules. As a result, the ozone is created. Through this process, the air will be disinfected and deodorized simultaneously.

Adsorbent Purifiers

This air purifier could get rid of air’s fumes, odors, and chemicals at the same time. It taps substances on the surface of another airborne particular. One of the most common materials used for this appliance is charcoal which provides numerous bonding spaces.

Are Air Purifiers and Humidifiers the Same Thing?

It is probable that you may mistake an air purifier as a humidifier. However, you have to keep in mind that the two appliances have different functions. As described, an air purifier gets rid of the airborne particles in your personal space. However, it does not regulate the humidity levels at home, which is the main objective of a humidifier.

An air purifier keeps your indoor air purified by removing all pollutants and harmful substances it could find. This is highly useful if you want to protect your family from dust, chemicals, and odors that lead to different health problems.

A humidifier is used to increment water in your air. As a result, your place will not be very dry, especially during winter. Through stabilization of moisture levels in your indoor environment, you will be able to protect your family from respiratory issues and dry skin, among others. Even your wooden furniture will be kept from cracking during the driest days.

How Does Air Purifier Help With Dust ?

Dust is not only found outdoors, but indoors as well. You could find it almost everywhere, which is the truth even if you wipe your furnishings every hour of the day. Through an air purifier, you could combat the presence of dust easily.

An air purifier will prevent dust from originating in different places of your house, such as furniture, bedding, and even clothes. It could also be found in areas that have fibers. It may not seem harmful or dangerous to the health, but it is linked to various health problems.

Take note that having too much dust at home could cause failure in your respiratory health. High levels of dust may lead to difficulty in breathing or even dusty lung. Other issues you may be at risk are asbestosis, silicosis, siderosis, and hard metal disease.

You would be able to control the amount of dust by running an air purifier. For instance, you could use a HEPA filter to remove as much as 99.97 percent of these dusts or other particles in the air.

Alongside the use of an air purifier, you could also upgrade the filter of your cooling or heating systems, resulting to better air filtering. Moreover, you should clean your fiber-based materials at home weekly or as regularly as possible.

Through unified efforts featuring the use of air purifier, you could prevent the high level of dust accumulation in your home.

How Does Air Purifier Help With Allergies?

Instead of simply settling with cleaning your home every day, it is still ideal to use air purifiers that will make the removal of airborne particles easy. The devices are structured to get rid of all the possible harmful substances from air. It uses technology that could get rid of pet dander, mold, and pollen, which are allergy triggers. Additionally, air purifiers are designed to remove smoke, odors, and other irritants that make allergies worse.

According to physicians, air purifiers that have obtained certification for HEPA are considered effective in filtering both small and big particles. This is highly important in protecting people who have sensitivities to air pollutants, such as sufferers of asthma.

High-quality best air purifiers may help in removing the major triggers of allergies in people, such as tobacco smoke, mold, dander, volatile organic compounds, and insect infestation. If these substances are found in air at all times, some of the purifiers may get rid of them.

However, it was clarified by the Asthma and Allergy Foundation of America that air purifiers are meant to assist people going through symptoms brought by allergic response. Moreover, it was explained by the association that dust mites will not be removed by the air purifier, since these are not consistently found in the air.

It was recommended by the United States Environmental Protection Agency that you should still carry out other means of preventing pollution inside your home. For instance, you should have suitable insulation, proper ventilation, and removal of carpets, among others.

How Do Air Purifiers Work for Smoke?

Tobacco smoke is one of the main reasons why people suffer from respiratory issues, especially due to second-hand smoke effects. It is true that it is difficult to remove tobacco smoke at home compared to dusts, chemical odor, or allergens. However, you could make it happen if you will find an air purifier that could get rid of both gases and particles.

HEPA technology-based air purifiers could be utilized in order to get rid of tobacco smoke. Its trapping capability is more than sufficient to get rid of tobacco smoke in your indoor air.

Other than HEPA, you also have the activated carbon air purifiers. These are appliances that could remove both odors and gases. It could adsorb as much as 60 percent of its weight in the case of chemical-based substances. If there are added compounds to treat the carbon material, it could function better. In order to clean out as much tobacco smoke, there must be numerous pounds of activated carbon in your air purifier.

Be reminded that it is necessary to get rid of tobacco smoke for it could sit in your airways’ tissues and lungs. As a result, these chemicals will go through your bloodstream. When this happens, nicotine will proceed to the nervous system. Moreover, the toxic substances present in your bloodstream means that every tissue or organ in your system will also be exposed.

How Can Air Purifiers Be Harmful?

Air purifiers, similar to any appliance you use at home, could also be harmful in some way. However, this is dependent on the type of air purifier you will use. There are several technologies that have been criticized due to their disadvantages despite the ability of purifying air from toxic substances and odors.

For instance, you could begin with the ozone generators. These are air purifiers that have been considered by Air Resources Board of California as harmful to human health. This is due to its purpose of creating ozone, which must not be utilized at home. It was reiterated by experts that ozone is a gas that could result to breathing problems and respiratory issues.

This also made the regulatory board implement restrictions in using ozone emissions in air purification systems. Manufacturers are now obliged to send their products for quality assurance and safety check. Their air purifiers must have almost zero emission of ozone to be declared safe.

UV air purifiers may also be harmful based on the coating material used to prevent the UV lamps from creating unsafe ozone levels. If you want to be protected from the potential hazard of UV air purifiers, you should find one that uses a safe range of UV-C radiation, which will not cause danger or human’s health.

It can be concluded that the risks related to the use of air purifiers may be present, but could be avoided with the right product.

Is Air Purifier Good for Babies?

It is a question by most parents who are worried and confused whether to put an air purifier in their home’s nursery or not. It is simply normal to ask, especially now that babies are very sensitive and must be protected in the best possible way.

If you want to protect your baby from high levels of chemicals in your home, then it is a must to use an air purifier without worries. The purpose of the appliance is to clean pet dander, dust, pollutants, allergens, and even smoke from your indoor air. There are technologies that do not release what they trap, making sure your baby will not inhale any harmful substances.

Take note that your baby breathes in 50 percent more air per pound of its weight than you do. If you will not be able to sustain clean indoor air, you could make your infants prone to dizziness, itchy eyes, sore throat, and headaches.

In order to be on the safe side, you should find an air purifier that has a clean air delivery rate (CADR). This quantity pertains to the speed of the appliance in filtering the air. Additionally, you should look for an air purifier that enforces quiet operation, which is crucial in nursery. It is also best not to use purifiers that create ozone for your baby’s room. Be reminded that ozone will do harm than good since it could lead to respiratory problems, breath shortness, throat problems, chest pain, and colds.

What Air Purifier Is the Best for Home?

You could identify the best air purifier for your home by considering different factors. Most of the time, the choice depends largely on your personal preferences. For instance, there are people who focus on buying an air purifier for their infants, whereas others chose to find a generally used indoor air cleaner.

Type of Technology

You need to select from the various types of technologies used in air purification. Basically, you have the air cleaners using mechanical filtering, hybrid solutions, electrostatic technology, and ionizers, among others. The goal of every technology is to get rid of all possible airborne materials from your home.

Type of Filter

Aside from the technology used by the air purifier, you also have to take note of the filter used by the appliance. Apart from the ever-popular HEPA, you also have the ultra-low penetration air or ultra HEPA filter. This also has an efficiency level similar to HEPA’s. Moreover, you have the carbon filters that work more effectively in getting rid of larger particles.

Air Change per Hour

This pertains to the number of times your indoor air will be cleaned within 60 minutes. The highest rate possible is six.

Clean Air Delivery Rate

This was mentioned earlier, and is equally crucial for it informs the speed and volume of how the purifier filters the air.

Room Size

You also have to take regard of the area where the air purifier will carry out its work. It is recommended that you use an appliance that could work in a slightly bigger location than your actual home size.

Final Verdict

With the aforementioned facts and products, you will now have the opportunity to get rid of all pollutants in your indoor air. You do not have to be concerned about quiet operation either since most of the recommended best air purifiers work without much noise. Save on medical expenses now that even your asthmatic or allergic relatives can spend peaceful days with a purifier at home. Simply select one based on your preferences and you are good to go in maintaining high quality air at home.

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