Best Air Purifier For Allergies: HEPA Filters | Health and Technology

Best Air Purifier For Allergies: HEPA Filters | Health
Best Air Purifier For Allergies: HEPA Filters 

Which Air Purifier is best for Allergies?

If you suffer from allergies, you are not unaware of how debilitating they can be.  An air purifier can make or break home or office life for someone who suffers from allergies.  To decide which one to choose, buyers need to consider the type of allergies they experience, how powerful a purifier they need and where they will keep it, among other things.  This Medify MA-25 HEPA Air Purifier Two-Pack is an excellent choice if you're sensitive to pets, pollen or other allergies.

What you need to know before buying an air purifier for allergies?


Where you plan to place your air purifier can help you determine which one to buy.  The best purifier for your needs depends on how much space you expect to purify and the type of particles you are trying to filter.  Portable air purifiers are designed to purify a single room, while whole house purifiers are more expensive but can take up a lot of space.


The type of allergies you're fighting can also determine which purifier works best, especially if a given model covers them.  For example, pollen is a common cause of allergic reactions for some people, and many air purifier models with one or more filters list help specifically with pollen.  Many companies also make specific filters for specific allergens such as pet dander, pollen or other debris.

HEPA and other filter types

Air purifiers for allergies must include at least one HEPA filter.  Still, most models have multiple filters and a HEPA filter.  Purifiers with only more than one filter sometimes have two pre-filters, and sometimes they include a third carbon filter.  It's also important to consider that air purifiers require you to change their filters at least a few times per year.

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What to Look for in a Quality Air Purifier for Allergies?

Airflow coverage

Purifier airflow capacity is typically measured in cubic feet per minute, or air changes per hour.  The first measurement can help you decide which model best fits the space you want to use to reduce allergies.  The airflow capacity of a small air purifier can be as small as 150 square feet, while it can perform as little as four air changes per hour.  Other high-end models can work for spaces as large as 3,000 square feet.  Purifiers often include several fan speed settings that allow the user to customize how much air is blowing. 


The efficiency of a purifier ultimately determines its effectiveness in reducing allergies.  Air purifiers can remove debris, bacteria and allergens from rooms as small as 0.1–0.3 microns, with some advanced models removing particles as small as 0.003 microns.  In comparison, the size of a person's hair is about 50 microns.

Air Quality Indicator

Some air purifiers include a means to tell you how the air quality is.  This can be as simple as a color system indicating how the air is, or as detailed as a digital interface with various details on air quality conditions.  Other common indicators include change filter notifications.

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How much can you expect to spend on an air purifier for allergies?

Inexpensive air purifiers can cost as little as $50, while most mid-tier purifiers cost between $100-$600.  Since most HEPA air purifiers require you to change the filter a few times a year, you can also expect to spend $25-$500 a year on the filter.

Air Purifier for Allergies FAQ

Is HEPA Air Purifier Good for Allergies?

HEPA-filtered air purifiers are relatively good at helping control allergies and are the best of the various purifiers.  In addition to the HEPA filter, purifiers with one or two other filters are even better.

What is the difference between Air Purifier and Humidifier?

Airpurifiers use filters to remove particulates from the air, while humidifiers add moisture to the air.  Both can be useful for reducing allergies, although an air purifier with a HEPA filter may be most effective.

Which are the best air purifiers to buy for allergies?

Top Air Purifiers for Allergies - Mediify MA-25 Air Purifier Two-Pack with H13 True HEPA Filter

What do you want to know:

This air purifier pack features an H13 HEPA filter that removes 99.9% of space particles as small as 0.1 microns.

What you'll like:

With two of these, you can filter the air in spaces of up to 1,000 square feet.  This air purifier can be purchased in white, silver or black, and it comes with a lifetime warranty from Mediify.

What you should consider:

Replacement filters for this air purifier are quite expensive.

Where to buy:

Sold by Amazon

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Top Air Purifiers for Allergies for the Money - GermGuardian 4-in-1 Air Purifier with True HEPA and Carbon Filter

What do you want to know:

This is a great affordable air purifier option for people with allergies, including powerful HEPA and charcoal filters that remove allergens down to 0.3 microns.

What you'll like:

This purifier includes five fan speeds and a quiet-operate mode.  A five-year warranty is included in the purchase of this air purifier.  It is available in white or black, single or as a two-pack.

What you should consider:

It requires some space behind the area of ​​operation as it draws air through the back of the purifier.

Where to buy:

Sold By Amazon

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Worth Checking Out - Bissell air320 Smart Air Purifier with HEPA and Carbon Filter

What do you want to know:

This air purifier works well for people with allergies, with five fan speeds to capture and remove particles as small as 0.3 microns.

What you'll like:

It is suitable for up to 327 square feet and features a color-coded air quality indicator display.  The purifier can also be paired with a filter or the company's smaller MyAir purifier model.

What you should consider:

The high settings of this purifier are quite loud.

Where to buy:

Sold By Amazon

Source: Best Reviews, CBS17.COM, Direct News 99