Can Air Purifier Cause Sore or Dry Throat?

Air purifier has been one of the most bought home appliances in every American home ever since it was invented. Not only did it boom in the US market, but it also proved in-demand in certain countries like Canada, UK, Japan, and China. The benefit it brings, purifying air inside the home or any enclosed area, gives the household an assurance that the air circulating around is clean and toxins-free. However, for every new product that comes, issues tag along in a matter of time.

When air purifiers hit the market, health-conscious buyers expressed their concerns about the side-effects of the product. Yes, an air purifier typically cleanses the air from air-borne pollutants, pet dander, mold spores, pollens, dusts, and even that musty smell inside the house. But these didn’t stop the people from asking, does air purifier cause sicknesses like colds, respiratory conditions, and even sore throat? Some say it does, while others claim it doesn’t. There’s the other side and the other side—and then there’s the absolute truth. If you’re one of those who are asking, “can air purifier cause sore or dry throat?” This might be the perfect article for you. So as not to keep you waiting, the answer would be, “No, it doesn’t.”

Knowledge is one of the keys to being confident of the truth. And to further strengthen that claim, you have to understand what an air purifier is, how it works, and what’s it made up. When you finally have an idea what an air purifier is, then you can be sure that it doesn’t cause sore or dry throat—and no matter how much others tell you that it does, you’re backed up with that knowledge and unwavering confidence.

What is an Air Purifier?

Typically, an air purifier is a device that is placed inside a room or any enclosed area where it cleanses the air and gets rid of air contaminants that might affect the health. It was first marketed as a device that is most beneficial to people who suffer from allergies, asthma, and other respiratory conditions. Aside from the air pollutants mentioned above, an air purifier is also known for eliminating second-hand tobacco smoke, volatile organic compounds (VOCs), and CO2 emissions.

There are different types of air purifiers, depending on what technology was used and what capacity it’s built. For home use, stand-alone units are the most commonly used. For bigger rooms inside the home, one can also opt to affixing or installing an air handler unit or AHU. If there are air purifiers for home use, there surely are units for larger facilities like super stores, hospitals, and other industrial enterprises. Heating, ventilation, and air conditioning or HVAC units are carefully designed and installed during the construction of these buildings to ensure air regulation inside the facility. You will commonly see a part of the HVAC unit on a building’s rooftop where it is affixed.

When it comes to purifying techniques, various technologies were invented. Currently, there are two types of air purifying techniques: active and passive. The active air purifying technology uses air ionisation in cleansing the air. Now, you might probably ask, “What is ionisation?” When an air purifier uses this technology, it relies on the chemical properties or ions. Furthermore, air ionizers produce negative ions through electricity and these ions are then released into the air. Indoor air pollution are positively charged, and when these negatively charged ions are attached to these pollutants, the positively charged particles are eliminated. That is why if you’re going to purchase an air purifier that has an ionizing technology; you won’t have to worry about its maintenance because it does not have filters nor does it require filter replacements.

On the other hand, passive air purifiers are the ones that use filter in eliminating indoor air pollution. If you’ve come across a product that has HEPA feature in it, it’s a passive air purifier. High-efficiency Particulate Arrestance or HEPA-powered air purifiers rely on the filters for cleansing indoor air. Now, filters are not just ‘filters’, but these are carefully engineered and assembled to ensure the high-efficiency rate.

Trivia: There are HEPA filters, the regular and cheaper ones, and there are TRUE HEPA filters, the higher-quality ones that can trap air contaminants with a 99.97% efficiency rate.

If there is one common denominator about HEPA filters, it’s the claim that these can eliminate air pollutants as small as .03 microns at 99.97% rate. Now, how does an air purifier with HEPA filter work? Generally, indoor air pollution like dusts, mold spores, dusts, pollen, second-hand smoke, and pet dander are passed through these filters. These particulates are then trapped into a complex and fine web of filters—ensuring high-efficiency rate. Not all HEPA filters are the same. To achieve high-quality air purifying technology, some brands have innovated HEPA filters. For example, some passive air purifiers are not only equipped with HEPA filters, but are also featured with Activated Carbon to effectively reduce or eliminate bad odor inside the house. While other brands have come up combining HEPA technology with ionizing techniques; the pollutants pass through the negatively charged ionizers first, and then are trapped on the air filters. There’s even a HEPA filter technology that can trap contaminants as small as 0.003 microns through its nano fiber material. 

Aside from ionization and HEPA filters, there are also other air purifying techniques that uses the following:

Thermodynamic sterilization (TSS) – This is an air purifying technique using heat sterilization through the use of ceramic core that are equipped with micro capillaries. It is claimed to have a 99.9% efficiency rate.

Ultraviolet Germicidal Irridation – The air is purified after passing through ultraviolet lamps through forced air.

Polarized-media Electronic Air Cleaners – This is a combination of electronic air cleaners and filters.

Photocatalytic Oxidation – One of the newest technologies for bigger facilities that uses HVAC technology.

Immobilized Cell Technology – This works through the use of bio-reactive mass or bioreactor, where air pollutants are rendered inert.

Ozone Generators – This technology produces ozone, a strong type of oxidant gas to purify the air. Air purifier with this technology is not advised by many because of the potential harm that it can cause to the health.

Titanium Dioxide Technology – Working back-to-back with calcium carbonate, the TiO2 technology eliminates indoor air pollution by neutralizing acidic gasses that might be adsorbed.

Whether an air purifier is active or passive, has HEPA filter, or other technologies, its common effect is it cleanses the air from various air contaminants.

Sore Throat, Dry Throat, and Air Purifiers

Now that you’ve learned about air purifiers and how each kind functions, it’s also good to be knowledgeable about sore and dry throat and its connection to air purifiers. Now, what is a sore throat? When you feel like your throat is swelling and it’s hard to swallow, then a sore throat is on its way. Usually, this condition is triggered by many causes like colds, flu, strep throat, viral infection, bacterial infection, allergies, and even the weather. One of the main culprits in triggering sore throat is dry throat—and the latter is usually inevitable when you’re living in a cold place that has low humidity. If you live in a Western country where there are four seasons in a year, you probably are aware how the air can be so dry and crisp during summer and winter. Dry and sore throat are easily caught during these seasons. That is why most Western homes are equipped with air purifier and humidifier to ward off indoor air contaminants while regulating the humidity.

Also, when you live in a place where air pollution is rampant, dry and sore throat are always at reach. It’s actually the allergens and other air particulates that cause sore throat—and not the air purifier. As a matter of fact, an air purifier is ONE BIG HELP when it comes to preventing sore throat.

Because this device gets rid of indoor air pollution like dusts, pollen, pet dander, mold spores, and second-hand smoke, the chances of getting sore throat is reduced dramatically. There are numerous testimonials that you’d find in the internet about how an air purifier literally helped some people in getting rid of their seasonal allergies, sore throat, and even occasional coughing. This life-changing device works 24/7 in purifying indoor air. Some people even had lesser allergy attacks when they started using an air purifier inside the home. For many, an air purifier is a total life-saver, especially to those who are living in places with dense air pollution.

During summer or winter, the air becomes drier and crisper, causing dry and sore throat to many people. To maximize the effectiveness of an air purifier, many brands came up with combo units—an air purifier with humidifier. An air purifier working back-to-back with a humidifier not only keeps indoor air purified and free from contaminants, but humidity level is also regulated, making it easier and more comfortable for people to breathe inside the house. But if you live in a place where humidity is not much of a problem, you can opt to buying a stand-alone air purifier unit. Here are some of the air purifier brands that you can rely on:

Alen – This air purifier maker focuses not only in design, but also in quality to ensure high-efficiency in cleaning the air. The best thing about this product is it comes with a lifetime warranty! The products’ price range from $169 – $599.

AllerAir – It’s amazing how a wonderful thing can bud from a bad situation. Just like the development of AllerAir products, it started when a family member was, unfortunately, diagnosed with Multiple Chemical Sensitivity or MCS. Because of this health concern, carbon-heavy AllerAir products are dedicated in providing the purest of air to ensure that no chemical will pose harm to someone’s health. AllerAir products can be bought from the market at the price range of $700 – $1100 and also come with a 10-year warranty.

Austin Air – Some consumers have higher standards in choosing an air purifier brand. Austin Air is dedicated in providing quality air purifiers for consumers who are sensitive to chemicals or odor. The products are carefully designed with more carbon. The filters also have a five-year filter life. Not only that, the products are also upgradable for increased air quality against organic chemicals. Austin Air units can be bought from the market from $375 to $765 with a 5-year warranty.

Holmes – This brand is the one you’re looking for if you’re a little short on a budget. The products range from as low as $19.99 to $139.99. Although Holmes prides itself in offering a variety of products while maintaining cheap prices, some consumers would rather opt to other brands because Holmes is known to develop newer models at a frequent rate. Some models get phased out easily. This makes replacements for broken units and filters nearly impossible in some cases. The products usually come with a 1- to 5-year warranty.

Honeywell – If you’re looking for a brand that has a wide variety of products from low-efficiency rates to high-quality units, Honeywell is the brand to go. The products can be bought from most mass merchants in the US market. And the price? Honeywell products can range from $59.99 to $249.99. Most of the products come with a 3- to 5-year warranty.


Air purifiers don’t cause dry or sore throats—and if you ever read something like that from the internet, consider it as a myth. As a matter of fact, the very purpose of an air purifier defies such false claims. It cleanses the air from air-borne contaminants which might cause allergies, throat and nasal conditions, respiratory illnesses, and even skin irritations. Having an air purifier at home is not just an investment, but a security that you can always count on: that when you’re at the comfort of your home, you can be sure that you’re breathing in the purest of air.

If this article answered your questions or helped you pick the air purifier brand that you want, feel free to browse the website to learn more about air purifiers and humidifiers.

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