Are Air Purifiers A Waste of Money?

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(Last Updated On: April 21, 2022)

Are you interested in improving the quality of the air inside your house or apartment?

One of the things you considered is an air purifier but you are not sure this is the right investment, if it really makes a difference.

Are air purifiers worth the money?

We believe the quality of the air we breathe is very important for our health.

That’s why we reviewed the best whole house humidifiers in a previous post.

This post about air purifiers is meant to give you more insight into this matter so you can make an informed decision that will ultimately help you live a better life.

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How Air Purifiers Work

In 2019, the U.S. air purifier market was estimated to be at 1.75 billion dollars.

Market researchers believe that it will have a compound animal growth rate of 12.4% in the coming seven years.

One reason why air purifiers’ demand continues to rise is because of the prevalence of airborne diseases.

Besides, more and more consumers are aware of the possible consequences of air pollution.

That’s why they want to improve air purification at home.

Since air pollutants pose risks to human health, manufacturers continue to develop air purifiers, which claim to be the answers for air pollution at home.

The best air purifiers eliminate the particles that are harmful to human health through an air filtering process.

They have internal fans that suck in the air, which passes through a series of filters.

After collecting a variety of air impurities, the air is circulated back to your home.

If you buy air purifiers, you have to consider several factors, such as how fast the fans pull air and the type of filters used.

As mentioned, air purifiers give fans that pull in the air and push it back.

In this process, the air flows through filters, leaving the pollutants in the device.

You may choose different fan speeds that affect how your device works and how much noise it creates.

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Different Types of Filter for Air Purification in the Home

Air purifiers can have a single filter or multiple filters. They often consist of mechanical air filters that trap the particles.

Prefilters and true HEPA filters are common types of mechanical filters.

A prefilter is used to collect human air, pet fur, and other large particles. It can be washable or disposable, but what matters most is to change it, considering the manufacturer’s recommended timeline.

On the other hand, a true HEPA filter is the one that you can see past a prefilter.

It is considered the gold standard for air purifiers because it can remove almost all the particles that are 0.3 microns in size.

HEPA filters are mostly made of fiberglass threads where the largest particles crash.

Meanwhile, the medium-size impurities adhere to the fibers while the smallest ones pass through the fibers until they are collected.

The best air purifiers have true HEPA filters that are tested or certified. That’s why when purchasing an air purifier, make sure to check the label.

Remember, not all air purifiers with HEPA filters on them are true. Aside from that, even if the manufacturers claim to have them, they might not work as good as a true HEPA filter.

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Should You Buy An Air Purifier? What Experts Say

Air purifiers can collect different air impurities that the naked eye can’t see. That’s why most homeowners believe in the efficiency of these devices.

But what do experts say about air purifiers? Do health professionals recommend them? 

A study published in 2017 determined the feasibility of an air purifier and secondhand smoke education intervention.

The researchers made a feasibility study that aimed to reduce air pollution in the homes of pregnant women/infants who are living with a smoker.

The results include that 98% of the participants would recommend air purifiers. The study demonstrated that indoor PM2.5 was significantly decreased (P < 0.001).

Meanwhile, salivary cotinine was reduced for non-smoking women (P < 0.01). However, there is no significant change in air nicotine occurred (P = 0.6).

Another study in 2018 was conducted to determine the efficacy of air purifiers. The results show that the quality of life improved in studies of air purifiers.

The same goes for multicomponent studies that included HEPA vacuums and pest controls. According to the American Academy of Allergy, Asthma and Immunology Indoor Allergen Committee:

The principal role of air cleaning and filtration in the living environment for those with allergic respiratory diseases might relate more toward the reduction of disease progression rather than a “treatment.”

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How to Save Money on Air Purifiers

Based on many homeowners and studies, there is no doubt that air purifier can filter the dust particles, reducing the risks of airborne diseases.

But since these devices could be quite expensive, especially if you have a big house, you may consider other options to improve your home’s air quality. Here are some tips:

Keep good indoor hygiene.

It is significant not only to depend on air purifiers. Maintaining a clean house is one step towards improving indoor air quality.

You may use a vacuum with a HEPA filter to eliminate the specks of dust and other particles from rugs.

Let the fresh air in.

Don’t be afraid to open the windows at your house. Let the fresh air in, especially if you live in remote areas where there is less pollution.

Put indoor plants.

If you don’t have allergies, you may consider adding indoor plants because they are proven to improve indoor air quality. There are specific plants that can get rid of pests and insects.

Air purifiers are quite an investment, but they can help you eliminate pollutants that might cause airborne diseases.

As a homeowner, you should not only depend on these devices. Make sure to keep your home clean and safe for everyone.

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