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Experts Opinion

A recent study from the University of California says that 53% of homeowners plan to buy a smart home device in 2018. The devices are also becoming less expensive and more useful, with companies like Nest thermostats offering features such as Thermo-CompensationTM. Experts say this growth is due to consumers’ desire for control over their homes, but will it continue if the products become too complicated?

Expert opinions are a type of opinion that is given by an expert in their field. Expert opinions can be found in many different places, including magazines, newspapers, television shows, and blogs. Examples of expert opinions include “The best way to clean your oven” or “You should invest in solar panels”.

People have been more worried in recent years about pollution’s negative health effects.


There’s reason to be concerned.

Breathing slightly contaminated air for ten years has the same impact on your lungs as smoking a pack of cigarettes a day for 29 years, according to study. Basically, whether you like it or not, if you live in a somewhat polluted city, you’re a passive chain smoker.

People have resorted to air purifiers to clean their houses and safeguard their lungs as a result of these developing worries.


Air purifiers are designed to filter out dust, smoke, pollution, mold, and other contaminants, leaving you with a clean atmosphere to breathe in. The popularity of air purifiers is unsurprising, given that indoor air may frequently be five times as filthy as outside air.

However, there is rising skepticism about the claims made by air purifiers. Skeptics feel air purifiers do not provide all of the advantages they promise. Air purifiers, according to some, may remove some dust from the air, but they do little to lessen pollution or assist allergy sufferers. There’s also a widespread idea that air purifiers’ reported advantages are due to a placebo effect.


So, what really is the truth? Are air purifiers capable of removing all pollutants from your home? Or are air purifiers a corporate ruse that profits from your fear of lung cancer?

What exactly do air purifiers perform? Is it true that they work? In this post, we learn more about it.

What is the purpose of an air purifier?

Air purifiers, as the name suggests, are devices that clean the air.


Air purifiers capture pollutants and impurities such as dust, mold, chemicals, smells, and other poisons in the air. Various kinds of air purifiers, depending on the technology, are capable of catching different sorts of pollutants.

Once the pollutants have been trapped, the cleaned air is released back into your house, thereby replacing the contaminated air with fresh air.

What are the Functions of Air Purifiers?


Air purifiers are made up of one or more filters as well as a fan that circulates the air.

The fan draws air from the surrounding environment, which is then sent through the filters. The filters trap pollutants such as dust mites, mold spores, and other contaminants during this process, therefore purifying the air. The fan dispels the air back into the environment after it has passed through all of the filters.

Are Air Purifiers Effective?

1636040179_887_Experts-OpinionDr. Clifford W. Bassett is the expert.

Dr. Clifford W. Bassett, Founder & Medical Director of Allergy & Asthma Care of NY, Author of The New Allergy Solution, and one of New York’s leading allergy and immunology experts, talked with us about his expertise.

What he had to say regarding air purifiers was as follows:

“As an allergy and asthma expert, I educate and advise my patients on the best indoor air quality alternatives.” 

“The levels of indoor air pollutants are frequently 2-5 times greater than outside levels, and, in certain situations, these levels may surpass 100 times those of outdoor levels of the same pollutants,” according to the US Environmental Protection Agency and the CDC. This little-known fact is especially significant for the estimated hundreds of millions of people worldwide who suffer from asthma and/or allergies.

So why am I adding my ideas on the function and benefits of utilizing portable air purifiers? The process of eliminating airborne particles of various sizes that might irritate the lungs or provoke allergic reactions from the air we breathe is known as air filtration.

A portable air purifier is used to enhance the indoor air quality. Some air cleaners function by catching allergens such as airborne pet hair or pollen in their physical filters as air travels past them. HEPA filters, in reality, are meant to filter out at least 99.7% of particles with a diameter of 0.3 microns or bigger. A pre-filter and a HEPA filter are usually included in air purifiers, which operate to remove tiny particles and airborne allergens. Other purifiers remove particles from the air by passing it through an electrostatic filter. Carbon filter material will be used in some of them to absorb and trap pollutants and smells. As a by-product, certain air cleaners may create ozone. It is critical that it be tested to verify that it does not emit dangerous amounts of ozone, particularly for individuals who suffer from asthma.

When choosing a portable room air purifier, keep the following factors in mind.

  1. Choose a model depending on the size and measurements of your space. This ensures that the air purifier is strong enough to purify a room’s volume of air.   
  2. Examine the purifier’s CADR (clean air delivery rate), which shows how well it cleans the air in a space.
  3. Look for air cleaners that have the technical product certification ‘CERTIFIED asthma & allergy friendly.’ The Asthma and Allergy Foundation of America, in collaboration with Allergy Requirements Limited, has developed a range of CERTIFIED air cleaners that have undergone rigorous testing and have been scientifically shown to fulfill the standards established by the Asthma and Allergy Foundation of America. The air cleaners remove allergens from the air and maintain ozone by-products to a minimum. Visit for more information.

More than ever, the objective is to educate people about different treatments to enhance indoor air quality, which might include using a portable or whole-home air filtration system.” Founder and Medical Director of Allergy & Asthma Care of New York, Clifford W. Bassett, MD, FACAAI, FAAAAI


Is it necessary for me to purchase an air purifier?

Before you buy an air purifier, keep in mind that they aren’t a one-stop shop for all of your environmental demands.

Air purifiers, as previously stated, can eliminate dust, pollen, pet dander, and other airborne allergens. Advanced air purifiers can also remove smoke, radon, and volatile organic compounds (VOCs). However, they have limited capacity to eradicate mold development and cannot prevent radon leakage.

As a result, although they may assist in the removal of airborne particles, there is no empirical evidence that they may significantly enhance overall respiratory health.

In addition to the initial cost, you should consider the operating and maintenance costs of air purifiers.

After you’ve evaluated all of the above criteria, you may decide whether or not an air purifier is worthwhile.

Here’s a roundup of the top air purifiers we’ve tried, all of which are also available on Amazon:

Blueair Classic 280i is the best overall. 

LEVOIT H13 True HEPA Filter Air Purifiers are the best value for money.

Honeywell HPA300 True HEPA Air Purifier: Best for Allergies

Coway Airmega 400 Smart Air Purifier is best for large rooms. 


Are Air Purifiers Effective in Preventing Coronavirus?


COVID-19 (Coronavirus Disease) has been officially designated a worldwide pandemic by the World Health Organization (W.H.O.). Massive outbreaks have occurred in countries throughout the world, including the United States, Italy, China, South Korea, and Iran, and authorities are trying to manage the crisis.

People are questioning, “Will air purifiers prevent coronavirus?” in light of this circumstance.

In fact, several businesses have begun to market their air purifiers as a virus-fighting tool. Their air filters claim to be capable of destroying or removing coronavirus from the air in a single pass.

These statements, however, are absolutely false.

Particles as fine as 0.3 microns may be removed using true HEPA filters. The majority of viruses are less than 0.1 microns in size. Yes, some air purifiers have UV-C lamps, which may kill germs at the cellular level. Different bacteria, on the other hand, behave differently, and there’s no proof that air purifiers can kill coronavirus.

“Your normal HEPA filter is not going to be able to remove coronavirus from the air,” says Dr. Erin Sorrell, an assistant professor of microbiology at Georgetown’s Center for Global Health Science and Security. The filter is.3 microns in diameter, whereas the virus is about.1 microns.”

It’s also worth noting that coronavirus is a relatively new virus, which is why research on it is still in its early stages.

To date, the best strategy to avoid infection is to adhere to basic hygiene measures such as handwashing with soap and alcohol-based sanitizers, not touching your face, avoiding crowded locations, and limiting social interaction.

Air purifiers come in a variety of shapes and sizes.

Air purifiers are available with a variety of mechanisms and air filters. Most current air purifiers, on the other hand, employ HEPA filters.

Here’s a rundown of the many kinds of air purifiers and how they function.

  • HEPA Filters: HEPA filters are used in air purifiers to catch 99.97% of all air contaminants up to.03 microns. These air purifiers are more effective because they utilize technologies that prevent germs and viruses from growing.

  • Ozone Generators: These air purifiers are exclusively used to catch scents and are often seen in hotels that allow smoking since they can capture all of the smoke odors. They do, however, emit a lot of ozone, which may cause respiratory problems. As a result, after utilizing the ozone generators, you must leave the room for at least 24 hours, making them unsuitable for normal household usage.

  • Electrostatic Precipitators are air cleaners that charge entering particles with negative electrical energy, allowing them to gather on electrostatic plates. However, when the plates have accumulated enough particles, they must be changed, increasing the expense of upkeep. Furthermore, they emit ozone, which may cause respiratory problems. They were formerly common air filtering devices, but they are no longer in use.

  • Ultraviolet Light Air Purifiers: These air purifiers employ UV light to enter the microorganism’s cell structure, killing it permanently and stopping it from multiplying. As a result, these air purifiers don’t retain pollutants, but rather destroy them.

  • Activated Carbon: While it isn’t as efficient as bacteria in trapping pollutants, it is highly good at trapping chemicals, off-gassing, and aromas. They employ a porous type of carbon that has been heated to expand its surface area and trap the impurities.

Because they catch all sorts of air contaminants, HEPA filters are among the most convenient and modern types of air purifiers. HEPA filters are also the simplest to maintain on a regular basis, which is why they’re used in the majority of domestic air purifiers now on the market.

However, some of the most modern air purifiers on the market combine many filters, including activated carbon, HEPA, UV light, and even electrostatic precipitators.

What are HEPA Filters and How Do They Work?


High-Efficiency Particulate Air (HEPA) is an acronym for High-Efficiency Particulate Air.

Air purifiers with HEPA filters, as previously stated, catch airborne particles of different sizes up to.03 microns. Multi-layered nets consisting of tiny fiberglass threads thinner than a human hair are used. The fiber strands are pleated and sealed with plastic or metallic frames, and the filters are airtight.

The contaminated air passes through the filters while the blower draws air into the purifier.

The biggest air particles are caught by impaction, which occurs when the particles smash with the fiber. The mid-sized air particles are caught through interception, which occurs when the particles come into contact with the fiber. Diffusion captures the tiniest air particles, which zig-zag through the numerous fiberglass layers until they ultimately cling to the fiber.

What do air purifiers remove from the air?


The majority of inexpensive air purifiers on the market collect dust mites and pollen particles, but they aren’t intended to capture VOCs or radon. You’ll need an air purifier with an activated carbon filter if you wish to catch VOCs and lower radon levels in the environment.

What about mold spores, for example?

People often think that air purifiers can remove mold spores, however this is not the case. Mold grows as a result of the dampness in your house. As a result, if you want to get rid of existing mold, you need buy a dehumidifier or humidifier to keep your property at the right humidity level. The only method to get rid of excess moisture and avoid mold formation is to do so.

The sorts of particles that air purifiers may remove are listed below.

  • Allergens are chemicals that may trigger negative immunological responses, resulting in allergies, asthma, and other respiratory problems. Pollen, dust mites, and pet dander are some of the most prevalent airborne allergens. All of these components may be removed by air purifiers with HEPA filters, removing allergens from the air. They will not, however, completely eliminate allergies. The air purifiers, for example, will not collect allergens adhering to your furniture, flooring, or structures.

  • Smoke: Whether from fires or cigarette smoke, air purifiers include filters that can catch all of the dangerous smoke particles. While they can get rid of the majority of the smoke, they won’t always get rid of the smell, and you may still have smoke stains on the walls and ceilings.

  • Toxins: Toxins emitted by cleaning chemicals and other goods may contaminate the air in your house. These poisons might have a negative impact on your health over time. Some of these toxins can be removed by air purifiers, but the best approach to prevent them is to avoid using them at all.

  • VOCs (volatile organic compounds) are hazardous substances that exist in a gaseous or vaporous state. They’re released when you burn fuel, smoke cigarettes, or use home chemicals, and they may cause lung problems. VOCs may be trapped and the air purified using air purifiers with activated carbon filters.

  • Bacteria and Germs: UV light filters in air purifiers can kill bacteria, germs, viruses, and other pathogens that may cause sickness. UV radiation kills bacteria at the cellular level, preventing them from multiplying.

To summarize, most air purifiers in homes filter airborne pollutants such as dust, smoke, and pollen. Advanced air purifiers with activated carbon filters or UV lamps, on the other hand, are required to eliminate radon, gaseous pollutants, or bacteria.

The Most Common Applications for Air Purifiers

Getting Rid of Odors in the House

Because of the combined aromas from pets, mold, waste, cooking, smoking, and other sources, your house may develop nasty odors.

Smoke, pet dander, dust mites, and pollen are all removed by air purifiers, which may help eliminate smells in your house.

If your air purifier contains an activated carbon filter, it can eliminate even more aromas from your house, keeping it fresh.

Allergens in the Air Should Be Removed

Do you or a member of your family suffer from allergies?

If that’s the case, air purifiers may help you get rid of pollen, dust mites, and pet dander from the air.

These particles are captured in the HEPA filters as they travel through the air purifier, cleaning the air. Your allergies may improve if these airborne particles are gone. Your home’s furnishings, flooring, and foundation, on the other hand, may contain allergens that continue to irritate you.

As a result, air purifiers can only eliminate airborne allergens and cannot provide total allergy relief.

Asthma Inducers Should Be Reduced

Dirty air, which is full of dust mites and pollen, may irritate your lungs and induce an asthma attack.

While air purifiers will not cure your asthma, they will significantly lower the amount of airborne triggers in your house, providing considerable respite from asthma episodes and respiratory problems.

Dust Mites Must Be Removed

You can’t get rid of all the dust mites in the air no matter how diligently you vacuum and clean your house.

Air purifiers, on the other hand, sucking in bad air and removing all dust mites before releasing clean air back into your house. This will not only clean your air by removing airborne dust mites, but it will also make your house seem cleaner overall.

Defend Against Germ Contamination

Some air purifiers include antimicrobial and antiviral technologies that capture bacteria and viruses and stop them from growing. Furthermore, UV light air purifiers fight germs and viruses, fully removing them.

Innovative air purifiers with UV light filters and advanced technology can help you and your family avoid colds and flu by removing hazardous microorganisms.

Increase Your Respiratory Health

Air purifiers may help your whole family’s respiratory health by removing dust mites, certain airborne allergens, and asthma triggers.

Pets benefit from air purifiers in particular since their lungs are smaller and they spend more time on the floor, which has a higher concentration of pollutants.

Get Rid of Secondhand Smoke


HEPA filters in advanced air purifiers can absorb all of the smoke from the environment, filter it, and capture all of the dangerous smoke particles before releasing fresh air.

As a result, air purifiers may help to purify the air and reduce the risks of secondhand smoke. You must, however, look for air purifiers that state that they can eliminate smoke and smells. A HEPA filter air purifier with an activated carbon layer is the best option.

Improve Your Sleep Quality

Air purifiers lessen elements that might cause you to wake up in the middle of the night by eliminating impurities, dust mites, allergies, and asthma triggers. As a result, they help you sleep better.

Keep a Nursery and a Baby Safe

During their first few years of life, children are particularly vulnerable to respiratory illnesses. As a result, if you have a newborn infant, the air quality in your house is critical.

You can eliminate the majority (if not all) of airborne toxins from your house with an air purifier, keeping your nursery fresh for the newborn.

You may also set up an activated carbon filter air purifier in their room to absorb all of the aromas if you’re worried about the nasty odors of soiled diapers.

All things considered, air purifiers may benefit your child by reducing allergic responses, headaches, and respiratory problems.

Defend the Elderly

Our respiratory systems deteriorate as we age, making us more susceptible to allergies, dust mites, and other airborne toxins. As a result, removing some of those contaminants may enhance the elderly’s quality of life by making it easier for them to breathe.

When purchasing an air purifier, there are a few things to keep in mind.


Each air purifier is normally labeled with the number of rooms it can clean, which is commonly expressed in square footage. You’ll need an air purifier that’s large enough to fit your space for best performance. You should preferably choose a model that is designed for an area somewhat bigger than your existing one, as this will allow you to use it at a lower setting while still being effective.

ACH Score

The term ACH stands for Air Change Per Hour, and it refers to how many times the purifier can filter the whole volume of air in your room in an hour. In general, you should search for air purifiers with a high ACH rating, which means they should clean the air in the room numerous times each hour. If you suffer with asthma or allergies, strive for a rating of at least 4x ACH.

CADR Score

The Clean-Air Delivery Rating (CADR) is a measurement of an air purifier’s total cleaning speed. The speed with which the air purifier removes smoke, dust, and pollen particles from your house is determined by this grade. A CADR value of at least 300 is recommended, however CADR rates of more than 350 are preferred.

Filter HEPA Rating

True HEPA filters are the finest at eliminating airborne pollutants and particles including dust, pet dander, pollen, and other contaminants. True HEPA filters can remove 99.97 percent of airborne particles with a diameter of at least 0.3 microns. When shopping for air purifiers, search for ‘True HEPA’ filters and avoid those that advertise themselves as ‘HEPA-like’ or ‘HEPA-type.’

Verification by AHAM

The Association of Home Appliance Manufacturers (AHAM) is a non-profit organization that evaluates and certifies the safety, efficacy, and performance of home care products including air purifiers. These standards aid in the purchase process by providing a quality assurance. As a result, check for air purifiers that have been AHAM Verified.

Filter with Activated Carbon

An activated carbon filter is used to catch chemicals, off-gassing, and VOCs, as previously indicated. As a result, if you want your air purifier to provide even more protection, search for one that has an activated carbon filter in addition to the standard HEPA filters.

The Level of Noise

The noise level of most air purifiers with HEPA filters ranges from 35dB at the lowest setting to 70dB at the highest setting. However, the noise level of various air purifiers may differ. To avoid being disturbed while sleeping, you should opt for air purifiers with a lower noise level.

Consumption of energy

You should also look at the energy consumption rating of the air purifier, as this will help you figure out how much it will cost to run it.

CO2 Emissions

Some air purifiers emit ozone, which may cause respiratory problems. You should opt for air purifiers that do not produce ozone and are fully safe to use.

A Quick Guide to the Best Air Purifiers

Honeywell HPA300 is the best air purifier for allergies and dust.

For dust and allergies, the Honeywell HPA300 is the finest air purifier. This air purifier features a True HEPA filter, which is the greatest kind of filtration system presently available, capable of eliminating 99.97 percent of all airborne particles as fine as 0.3 microns, making it ideal for allergies and dust mites.

This air purifier has an activated carbon filter that may collect VOCs, smokes, gases, smells, and other big pollutants in addition to the True HEPA filter. The carbon filter is quite effective, however it does require that you replace the filters every three months at the very least.

There are three air cleaning speeds on this air purifier, as well as a Turbo Clean mode. The Turbo Clean setting is ideal for individuals who need to swiftly clean the air in a very filthy environment. If you’ve been gone from home for many days or weeks, for example, you may return and utilize the Turbo Clean option to swiftly remove all allergens and dust.

The Honeywell HPA300 is designed for rooms up to 465 square feet in size. It has a high CADR and ACH rating, allowing it to clean a 465 square foot room five times in one hour.

Because it has a big room capacity and is equipped with a True HEPA filter and an Activated Carbon filter, the Honeywell HPA300 is the finest air purifier for allergies and dust mites.

Best Smoke/Pollution Air Purifier: AP-1512HH by Coway

The Coway AP-1512HH is the greatest smoke and pollution air purifier. A strong air purifier with superior filtering characteristics is required to remove smoke and pollution residues from the ambient. The Pre Filter, Carbon Filter, True HEPA Filter, and Ionizer are all included in one air purifier.

All dust, pollen, pet dander, and other airborne particles are removed by the True HEPA Filter. Odors, smoke, and gaseous contaminants are all removed by the Carbon Filter and Pre Filter. The Ionizer, on the other hand, produces an electrochemical reaction that attracts and filters particles in the air. This air purifier can successfully remove all pollutants and smoke from the air thanks to the numerous kinds of filters it uses.

One of the most useful features is Eco Mode, which saves energy by turning the fan down after 30 minutes if no pollution is detected. This air purifier also has three fan settings, timers, and an air quality indicator so you can see how the air purifier affects your living environment.

While this air purifier is excellent at eliminating smoke and pollutants, it is prone to get blocked rapidly and often. As a result, the filters may need to be cleaned every two to four weeks.

RabbitAir MinusA2 is the best air purifier for asthma.

One of the finest air purifiers for minimizing asthma triggers in big areas is RabbitAir MinusA2. The fact that it has a True HEPA filter and six stages of air purification — Pre-Filter, Medium Filter, HEPA Filter, Customized Filter, Activated Carbon Filter, and Negative Ion Generator — clearly distinguishes it as a fantastic purifier for persons with asthma. The purifier absorbs all of the tiniest and biggest contaminants as the contaminated air passes through the several stages of filtration, purifying the air and removing all probable asthma triggers.

This air purifier has a Germ Defense Filter, a Pet Allergy Filter, a Toxin Absorber Filter, and an Odor Remover Filter in addition to the basic True HEPA filter. Bacteria, viruses, and mold spores are all removed by the Germ Defense Filter. Pet dander, allergies, and other similar particles are removed by the Pet Allergy Filter. VOCs and other dangerous gaseous pollutants are captured and removed by the Toxin Absorber Filter. Smoke, pet scents, cooking aromas, and other sorts of odors are captured by the Odor Remover Filter, which refreshes and deodorizes your space.

In a 350-foot space, this air purifier can deliver up to four air changes per hour, and in a 700-foot area, it can provide two air changes per hour. As a result, if you have asthma, and you have a medium-sized room of roughly 350 square feet, you should use this air purifier. This air purifier is also incredibly quiet, thanks to the use of a BLDC motor with five speeds and a noise level that ranges from 20.8 to 45.6 dBA.

Overall, the RabbitAir MinusA2 is the finest air purifier for asthmatics since it includes six degrees of filtration as well as four levels of adjustable filters, making it incredibly comprehensive.

Germ Guardian AC4825 is the best budget-friendly air purifier.

The Germ Guardian AC4825 is a CADR 100+ air purifier designed for 167 square feet of small or medium-sized rooms. This air purifier is incredibly inexpensive, costing less than $100, yet it still provides excellent filtration.

The True HEPA Filter in this air purifier can remove up to 99.97% of all dust, pollen, and other airborne contaminants. It also contains an activated charcoal pre-filter that filters out smells, smoke, and other big airborne particles. Finally, UV light decreases VOCs while also killing bacteria and germs, making it ideal for those who are prone to illnesses, asthma, or respiratory problems.

Although this air purifier is not suitable for bigger rooms, it can clean small rooms four times in an hour. As a result, if you’re on a budget, this is one of the finest and most effective air purifiers.

Is it worthwhile to maintain air purifiers?


Paper, fiberglass, and even mesh may be used to make air purifier filters. Regardless of the kind of filter used, it must be maintained and replaced on a regular basis.

As a result, while determining the cost of air purifiers and whether or not to purchase one, you must also consider the cost of maintenance.

The frequency with which you’ll need to replace the filters is determined by how often you use them and how polluted your house is. Reusable or washable filters are also available, but they’re difficult to maintain and aren’t often found in the most modern and efficient air purifiers.

You might also look at the aforementioned UV light air purifiers, which promise to eliminate contaminants such as germs, viruses, and mold. They do, however, need a larger wattage of energy, making them more costly in the long run. Furthermore, since certain bacteria are UV-resistant, their efficiency cannot be assured.

As a result, air purifiers with HEPA filters that need to be updated on a regular basis are perfect. For best operation, the Environmental Protection Agency (EPA) recommends replacing the filters every three months. Air purifiers must be operated almost 24 hours a day, seven days a week to get their full advantages.

Air purifiers may cost about $50 per year to operate, and changing HEPA filters on a regular basis can cost around $100 per year. As a result, you should anticipate to spend about $150 per year on maintenance and operating after the original purchase.

What Other Options Do I Have for Improving Air Quality in My Home?

By eliminating dust mites, pollutants, pollen, and other airborne particles, air purifiers may help you improve the air quality in your house. However, air purifiers aren’t a one-size-fits-all solution to all types of pollution.

If you really want to enhance the air quality in your house, you must combine the usage of air purifiers with other best practices:

  • You may leave your windows open to allow fresh air to circulate while your air purifiers aren’t functioning. To produce a cross-draft and prevent pollutants from being trapped in your house, open windows on opposite sides of the room.

  • To get rid of all the dust and allergens that have gathered on your furniture and flooring, invest in a HEPA-certified and sealed vacuum cleaner.

  • For maximum performance, you should replace the air filter in your air purifier once every three months.

  • Install an exhaust fan in the kitchen, bathroom, laundry room, and any other water-prone locations. To avoid water stagnation, turn on the exhaust fan anytime you use these rooms. Exhaust fans should also be turned on when preheating ovens or cooking to prevent smoke collection.

  • Install dehumidifiers to control humidity and avoid mold development in your house.

  • Stop smoking inside your house and reduce the usage of candles and wood fires.

  • Because your air ducts are important for moving air in your house, they must be clean of collected dust, dander, and other pollutants on a regular basis. To keep your air ducts clean and well-maintained, you need engage a professional on a regular basis.

  • Rugs and carpets collect a lot of pollutants and grime, which is why they often become allergy bedrocks. To keep your home’s air quality at its best, you should clean your rugs and carpets on a regular basis.

  • Natural air filters are provided by plants. As a result, you may improve air quality and add aesthetic value to your house by purchasing indoor plants such as ferns, lilies, or palm palms.


Air purifiers do exactly what their name implies: they clean the air. Dust mites, pollen, pet dander, VOCs, germs, smoking, smells, and other airborne particles are among the contaminants they aim to eliminate.

The efficiency of air purifiers, on the other hand, is determined on the number and kind of filters used; some can just remove dust mites and pollen, while others may also destroy bacteria and germs.

We’ve provided you overviews of the finest air purifiers for various reasons in this post. If you’re thinking about buying an air purifier, consider your requirements carefully before deciding which one is right for you.

Air Purifiers: Frequently Asked Questions

What is the best way to tell whether my air purifier is working?

Air purifiers are machines that filter air continuously throughout the day. This passivity, on the other hand, makes it impossible to tell whether they’re operating properly.

The following are some of the several techniques for determining whether or not your air purifier is functioning.

  • Filter Indicator: The internal filter indicator on an air purifier is the best way to see whether it’s functioning. When the air filter has surpassed its capacity and has to be replaced, the filter indicator will alert you. She even has multiple lights for different degrees of effectiveness on her air purifiers.

  • Manual Inspection: It’s also conceivable that the filter indication on your purifier is broken. As a result, it’s a good idea to physically check the filter from time to time, particularly if you suspect the air purifier isn’t performing properly. There should be enough dirt in the air filter to show that it is operating, but not so much that it is entirely blocked. You should change your HEPA filter if it is too dusty and blocked.

  • Air Quality Monitor: You may also install a separate device called an Air Quality Monitor in your house to keep track of the air quality. You may use this gadget to determine how well your air purifier is cleaning your house.

What is the best location for my air purifier?

When it comes to choosing the best location for your air purifier, there are several aspects to consider. When it comes to installing your air purifier, keep the following in mind:

  • The air purifier should be placed in the area where you spend the most time, such as your bedroom or living room.

  • If you have an air purifier in your room, keep it at least 6 to 10 feet away from your bed. You may feel a draft from the air circulation if it’s closer than 6 feet. You won’t get the full advantage of pure air if you put it more than 10 feet away.

  • If you have elderly people or infants in your home, the air purifier should be placed in the nursery, children’s room, or senior person’s room.

  • Because they get the most contaminants, bathrooms and kitchens are excellent places to put air purifiers.

  • If there is a room in your home where smoking is permitted or promoted, the air purifier should be installed in that room.

  • You may also acquire a whole house purifier that links to your air ducts and cleans your entire home if you can’t choose a particular area.

  • An air purifier should be placed in the center of the room, away from any items that may hinder the airflow. Most people, on the other hand, dislike having air purifiers in the center of the room since they are unsightly and might present tripping hazards. As a result, you may purchase 360-degree filtration purifiers and mount them 6 inches from the wall.

  • You can also ask if the air purifier should be placed on the floor or on a table. Air purifiers should be placed on the floor if possible, however this might cause tripping dangers, particularly if you have children. In such situation, the air purifier may be placed on a firm table. Check the instruction booklet for your air purifier to see if they provide an ideal suggestion.

Is it necessary for me to sleep with the air purifier on all night?

Yes, you can sleep all night with your air purifier on. Because the air purifier’s major role is to filter and clean the air, it’s best to keep it running 24 hours a day, seven days a week for the best results. By preserving air quality, keeping the air purifier powered on at night will help you sleep better.

Do air purifiers dry out the air?

Air purifiers do not make the air dry. They merely capture airborne contaminants and promote fresh air circulation while having no effect on moisture or humidity levels. A humidifier or dehumidifier is a good investment if you’re worried about the humidity level in your house.

When an air purifier cleans a room, how long does it take?

Many variables influence how long an air purifier takes to clean a room, including the purifier’s size, capacity, fan speed, CADR rating, ACH rating, and room size. An air purifier, on the other hand, can usually clear a room in 30 minutes to 2 hours.

How many air purifiers are there in each room?

Only one air purifier is required per room. However, be sure the air purifier is rated for the size of your room. Ideally, you should choose an air purifier that can manage a space that is bigger than yours. You could also look at the CADR rating to see whether it can clean your space. 

Is it true that air purifiers might make you sick?

Air purifiers are designed to assist those who suffer from respiratory problems such as asthma. They eliminate airborne particles and pollutants like as dust mites, pollen, pet dander, and other contaminants, making it easier to breathe.

As a result, air filters are intended to promote good health rather than cause illness. Nonetheless, while utilizing air purifiers, you must exercise care. You risk aggravating your health problems if you don’t utilize them appropriately or choose the incorrect air purifier.

Here are some suggestions for keeping your air purifier from making you sick:

  • Keep the air purifier running throughout the day. If you turn it off, your air may rapidly get contaminated, perhaps causing allergies and respiratory problems if you’re sensitive.

  • Ozone, a gas made up of three oxygen atoms, is produced by several air purifiers. This gas is poisonous and causes throat irritation, breathing problems, and other respiratory problems. As a result, ozone-producing air purifiers must be avoided.

  • You shouldn’t stop cleaning your house just because you have an air purifier. You must maintain normal home hygiene practices and clean your furniture, floors, and other surfaces.

  • The filters in your air purifier should be changed on a regular basis. As bacteria, germs, and dirt build up in your air filters over time, they may begin to release toxins into the atmosphere. Furthermore, a clogged air purifier will not efficiently clean the air. As a result, utilizing a clogged air purifier might make your respiratory problems worse than not using one at all.

  • When buying an air purifier, look at the CADR rating and look for one with a ‘True HEPA filter.’ Avoid air purifiers branded with phrases like ‘HEPA-type’ or ‘HEPA-style,’ since these terminology lack a legal meaning, implying that they may be ineffective.

When using an air purifier, how long does it take to detect a difference?

After you’ve chosen the correct air purifier for your space, you’ll notice a change in as little as 30 minutes to 2 hours. You could even notice an improvement in air quality after only 20 minutes in certain circumstances.

Do air purifiers aid in the elimination of odors? Do air purifiers get rid of odors?

Air purifiers use blowers to suck contaminated air into filters, which trap dust mites, pollen, and other impurities. As a result, the air they exhale is far cleaner than the air they take in. Air purifiers with an activated carbon filter absorb smells, smoke, and volatile organic compounds (VOCs). As a result, air purifiers aid in the removal of aromas and foul odors from your house.

Is it costly to operate an air purifier?

The cost of running an air purifier is determined by the kind of purifier, the type of filter, and the airflow rate.

Depending on the speed, HEPA air purifiers require 50-100 watts per hour. As a result, if you use the air purifier for 12 hours a day, the yearly operating cost might be between $36 and $60. If you run the air purifier all day, every day, you may be looking at an annual operating cost of $72 to $120.

Are air purifiers effective in killing bacteria in the air?

Most air purifiers improve air circulation while removing dust mites, pollen, pet dander, and other airborne contaminants. However, you’ll need to look for an Ultraviolet Light air purifier if you want to remove germs, bacteria, and viruses.

Although UV radiation is harmless to people, it is effective in killing most airborne bacteria and germs, which is why it is often employed in hospitals. As a result, you should invest in a UV air purifier that can kill the germs and bacteria that it collects in the filter.

Are air purifiers suitable for people with COPD?

Chronic Obstructive Pulmonary Illness (COPD) is a lung disease that causes a chronic cough, shortness of breath, mucus, and other symptoms.

If you have COPD or other breathing or respiratory problems, excessive levels of airborne particles and pollution might aggravate your symptoms. COPD symptoms will be two times as terrible if you live with a smoker, for example. Lung edema and congestion may also be caused by air pollution.

As previously said, air purifiers eliminate various impurities from the air, such as dust, pollen, and debris. Smoke and smells are also removed by certain air purifiers. As a result, the pressure on your lungs is reduced in your immediate environment. While air purifiers can not treat COPD, they may help you breathe cleaner air, which can help you avoid further complications and alleviate some of the disease’s symptoms.

Are air purifiers beneficial to asthmatics?

Although air purifiers can not cure asthma, they may significantly reduce the frequency of asthma episodes. Air purifiers purify the air and eliminate airborne allergens and dust, reducing asthma triggers’ presence. As a result, if you have asthma, air purifiers may provide significant relief.

Will air purifiers aid in the removal of cigarette smoke?

Smoke and smells may be captured by air purifiers with HEPA filters and activated carbon filters. As a result, air purifiers may significantly assist by removing secondhand smoke from the ambient.

Is it true that air purifiers may assist with radon?

Radon is a colorless, odorless, and invisible radioactive gas that may cause respiratory problems and potentially lung cancer.

Air purifiers with high-capacity carbon filters may lower radon levels in your house by a tiny amount. Air purifiers, on the other hand, are unable to block radon gas from seeping. Air purifiers’ genuine effectiveness in radon reduction is likewise debatable; some sources say they can decrease radon, while others claim they can’t.

If you suspect your house contains radon, buy a radon test kit and, if the results are positive, engage a radon expert.


Expert opinion is a form of knowledge that has been studied and researched. It is also considered to be the most reliable type of knowledge when it comes to smart home devices. Experts have been studying, researching, and trying their best in order to provide the best information possible for consumers. Reference: importance of expert opinion.

Frequently Asked Questions

What is an example of expert opinion?

A: An example of an expert opinion would be a medical professionals view on what they think is best for their patients. Expert opinions rely more heavily on personal bias and experience rather than the facts, but they are still considered to be authoritative.

What is expert opinion evidence?

A: Expert opinion evidence is when the expert in a case has experience or knowledge of something relevant to what you are asking.

What is expert opinion used for?

A: Expert opinion can be used to find statistical information.

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