If you are thinking about purchasing a the best air purifier or upgrading a pre-existing model, you may be wondering how do air purifiers work. We have got you covered in this beginner’s guide.

KEY TAKEAWAYS:

  • Air purifiers are machines that have been purpose-built to filter and freshen the air.
  • These appliances operate by drawing air in, filtering it, and then releasing it back into the environment, though the exact methods can vary.
  • If you regularly use an air purifier, expect a reduction in common allergens and a severe reduction in nasty odors.

What is an Air Purifier?

An air purifier is a home or office appliance that freshens and purifies the air in its immediate surroundings.

Insider Tip

An air purifier is a home or office appliance that freshens and purifies the air in its immediate surroundings.

How do Purifiers Work?

Air purifiers work by drawing in air, filtering it through a filtering mechanism, and releasing the filtered air back into the room. The exact filtration process can vary, as there are multiple designs and technologies available when it comes to air purifiers.

HEPA-based air purifiers draw in air and run it through an advanced HEPA filter. Advanced carbon filters work in a similar fashion, whereas electrostatic filters use an electric charge to neutralize potentially harmful particles in the air. If noise is a concern, don’t worry. Air purifiers are generally very quiet.

Benefits of an Air Purifier

There are a number of benefits to look forward to once you have a high-quality air purifier running in your home.

Insider Tip

HEPA-based air purifiers draw in air and run it through an advanced HEPA filter.

Reduced Allergens

If you suffer from allergies, an air purifier could be your new best friend. These machines are highly capable when it comes to reducing the number of allergens floating in the air. Modern air purifiers are adept at filtering common allergens such as pet dander, pollen, dust mites, and more. If eliminating allergens is your primary concern, you should think about buying a purifier equipped with a genuine HEPA filter.

Alleviated Respiratory Symptoms

If you suffer from respiratory ailments such as asthma or COPD, an air purifier could reduce the severity of your symptoms. The reason? Air purifiers filter out impurities from the air, making it easier to breathe. Please note, air purifiers will not cure these ailments, but they could reduce the frequency of some of the symptoms when used correctly.

Eliminated Odors

Encountering an unpleasant and mysterious smell in the home is one of the most frustrating things imaginable. Luckily, air purifiers are here to help. These machines absolutely excel at reducing and eliminating foul odors from the home or office. Modern air purifiers are great with a variety of nasty smells, including smoke, mold, mildew, food aroma, pet urine, and more. To maximize the purifier’s odor-reducing capabilities, be sure to leave it running continuously until the smell has been noticeably reduced.

For larger homes and commercial spaces, you might also want to check out how commercial air purifiers differ from standard models.

Warning

If eliminating allergens is your primary concern, you should think about buying a purifier equipped with a genuine HEPA filter.

F.A.Q.

Are there any types of air purifiers that I should avoid?

Maybe, depending on personal preference and certain sensitivities. Ozone generators, for instance, could be a risk factor for developing some ailments.


Do air purifiers really help people with allergies?

Yes. It’s simple science. The allergens are drawn into the purifier and either trapped or destroyed. It may take a while for your symptoms to become reduced and these air purifiers are by no means a miracle cure.


How can I tell whether an air purifier is any good?

We recommend that you read reviews, use trusted media sources, and stick to purifiers made by reputable companies. Just take your time with it and only purchase once you are sure.



STAT: High Efficiency Particulate Air (HEPA) filters are the benchmark for air purifier filters, which are guaranteed to trap 99.97% of airborne particles larger than 0.3 microns in size. (source)

Lawrence Bonk

Lawrence Bonk is a copywriter with a decade of experience in the tech space, with columns appearing in Engadget, Huffington Post and CBS, among others. He has a cat named Cinnamon.

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