Things to consider when buying an air purifier – Ultimate Buyer Guide 2021 [Updated]

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Introduction – Buying an Air Purifier

There is many things to consider when buying an air purifier. While your indoor area might already have an air conditioner functioning very well. The air can still be very polluted. In some extend, indoor air is much more polluted than outdoor as the air circulation is not poor in an indoor environment. In this review, we will analysis the things you need to consider when buying an air purifier and tips that most people do not know. You may always get some amazon discount in amazon.

What is an air purifier

An air purifier, as you might aware can remove the contaminants from the air inside a room. This is especially useful for the allergy person who suffer from asthmatics. If your home consist of a smoker, the air purifier will helps you to remove the tobacco chemical.

What is the type of purifying techniques

While many of you plug and play and use the air purifier. You might not aware the techniques and concept behind. As a matter of fact, there is two major type of purifying techniques.

Thermodynamic sterilization (TSS)

TSS is a technology that uses the heat to sterilize the microbiology inside. The air within is so hot that it can go up to around 200 degree. This method is the best in killing majority of the microbiological particles. Bacteria, viruses and allergens can be incinerated.

TSS concept is very simple and the major advantage of using this technique is that it will not cause any chemical emission. The TSS is also environmental friendly and do not emit any ozone to the atmosphere.

You can click here to amazon to find out all sort of air purifier that uses this technique.

Ultraviolet germicidal irradiation (UVGI)

UVGI can be used to sterilize the air and let you passes ultra violet lamps to cleanse the bacteria. This UVGI method leverages the UV lamps. The concept is similar to what you are drinking the ultra violet water filter mechanisms.

While you might aware, the UV system is very fast in cleaning the air and bacteria. It also benefit you that it will not hear up the air and gives you the clean same Ai temperature.

However since the UV light can not remove as much bacteria as TSS method. But it will certainly gives you a better pricing attractiveness. Check out the latest version of UVGI method air purifier in amazon.

The last method is of common idea. Using a filter to filter out the airborne particles using size exclusion. Since the air that is of a higher size in particle can be filtered using the air filter. In a high dusty environment, the filter will then be removed and impurities it more easily.

Some air purifier will uses some carbon to filter off the gas there to changing the contaminants from the gaseous state to solid state. While using the carbon material problem is will causes you to change the carbon filter frequently.

Most important features for air purifier

A good air purifier comes with a lot of different function. Firstly, the aster wheels and a good handles is critical. Unless you have a special area to put your air purifier there without the need to move it forever. Otherwise, the air purifier with the castle wheel and a nice handle will let you mobilize the location of it easier.

During our review and user feedback. Most people comment that the most important features of air purifier is the remote control. No matter the size of your air purifier. If you cannot put it in the right corner area without going there to press it. You will not even want to switch it on.

Sometimes if you feel the air is polluted and wants to improve the air quality. You do not want to leave your sofa or the movie you are enjoying and walk there. Then it comes to the time where the remote control is critical.

Any extra cost is needed after purchase

Depends on what type of air purification technique you are leverage. If you it is using up a lot of filter to clear out the larger sue in moisture. Then the use of an air filter will became critical. The air purifiers with HEPA filter will need you to activate the carbon filter for at least 6 months.

Understanding what kind of pollutants in the air

Before buying an air purifier. First thing you need to know is what are the type of pollutant you have in your room. If it’s odors, allergies or mold or smoking particles. Different air pollutants can leverage different type of filter for the filtering and cleaning.

What exactly is HEPA air filtration

Air filtration are all made with some very tiny glass fibers. They come with a tightly woven paper and it an be uses to filter all the small sieves to capture the small particles. Including some biological agents once trapped it will contaminates all the particles and will not be able for you to flow back to the circulation.

These kind of absorbent pores of HEPA air filter will let you remove u to 99.98% of the particles in area.


The whirlpool AP51030K Whispure Air purifier

This is definitely the most recommended air purifier among all selection. Come with a true HPEA 0.3 micron filtration with the ability to clean up to 500 square feet room almost 4 times faster than the other option.

What best is that it is of extremely quiet even at the high speed settings. During our review, the most important thing of all is it’s easy controllers is very easy to use.

It has a 315 clean air delivery rate with CEDR and a dust rigging off ragweed.

All the amazon reviews for this product is positive and the user feedback is awesome as well.


Honeywell compact air purifier with permanent HEPA filter

The air purifier with up to 85 square feet and come with a 3 stage of filtration system to help you to clean up the air using the washable pre-filter to capture all sort of large airborne particles.

During our review, if we turn it on to the highest fan speed. The noise level is merely acceptable but still can be heard from a distance.


Alen BreatheSmart Customizable Air Purifier with HEPA-Pure Filter

With almost 8-10 different colour pack and the perfect for living rooms and concept rooms.

It’s Breau smart function can offer up to four different filter types for the accommodation to change the air purification needs.

If you have a nice home furniture design. Then the 15 angel colour options will let you to design the best home decoration colour you need. Alen’s smart senor will let you automatically detects all sort of air quality for prolonging filter life and to save you the energy usage.

The Alen air purifier is so confident at their product and it offer a life time warranty.


Rabbit Air MinusA2 Ultra Quiet HEPA AIr Purifier

Have you heard about the rabbit walking? Definitely no. The name it called rabbit air is because it is of extremely quiet and it will also uses the HEPA filtration with six stages of purification and deodorizations.

Come with 5 year warranty and a free shipping support. What’s best about this rabbit air filter is that it literally take zero space area. It has the ability for you to mount on the wall and with the super thin air purification will gives you the ability to purify the air without using any of your special area.


Blue air Classic 205 HEPASilent Filtration Wi-FI Air Purifier

This Blueair air purifier has two option with wifi or non wifi enabled. The best thing about using the wifi option is that it has TH e ability to remove the air pollutants with a wifi controlling panel. The Wu-FI enabled will let you to control complete for settings to change the Blueair friend app. This will change the fan speed and to enable the turn the unit on or off. If you worry that your child will spoil your air purifier. The hold lock and schedule personalized settings in night mode will dim the LED at bedtime. Pair with the Blueair aware air quality monitor for a real-time updates on your indoor air and automatic adjustments on the air purifier. Giving you the best home air quality.

With the option to extend up to 1 year warranty and 5 years for Uni registration within 60 days of purchase.


Surround Air MT-8500 6-in-1 Ionic Air Purifier with True HEPA

The Surround option can let you cleans the air in 6 different ways. This air leaning technology will let you virtually handle all sort of airborne indoor pollutant. The sensor mode technology and the ability to auto mode for the adjustment of power will handle it self to the level of pollution.

The Surround uses the ultra violet lamp to destroys all sort of viruses, germs and mold and bacteria. Making it the best and complete air cleaner system.

The Surround air cleaning has the most effective type of filter at all capturing dust. This allergens and other physical particles let you uses Korean made HEPA and can absorbent for all fibrous.

Uses of the negative ions for you to handle high volumes and multi tech 8500 and to provide an effective method to remove the dust and allergens. You can see the clear illustration of the six steps of filtering here in amazon on how they uses all the carbon filter, HEPA filter and bacteria filter.

What is the best size for air purifier

Consider the actual size of the air purifier is tricky. While a small one will causes you to purify the air too slow. The larger seems the merrier. The square footage of the air purifier normal take a few size for the storage.


Airmega 400 The Smarter Air Purifier

Have a big home and indoor garden area? What to use just one air purifier to handle all? This Airmega 400 smart air purifier can handle up to almost 1600 square feet. Let you let the timer from 1 to 8 hours with real time quality air monitoring system.

What’s best is that it come with a smart mode with auto speed and economy method. Truly the most best air filtration speed for room current air quality. The airmega will let you conserves energy for shutting down all the fan and can reduces the fan speed to you can run even much quieter.

If you ain’t sure when you should change the filter. This airmega will give you a filter lifespan indicator to tell you when you should change the Max2 Filter. Different from other air purifiers. This airmega will gauges the lifespan and based on the usage but not time. This is extremely important as it can save you much more time and money.

There is just one slight problem though. The cost is the most expensive among all other option. However you can always check for the discount offer from time to time here in amazon.


Green Air Purifier Green Air Delux 3 Plate HEPA and Carbon Filter Alpine AIr Purifier

This Green air purifiers will let you cover up to 3500 square feet and has the ability to uses 3 Ozone plates.

This air purifier looks like a wine cellar and let you separate timer for ozone function. The quadruple filter system can detect odor and to control the activists carbon filter. Together with the Photo Cataltic PCO filter. This green air delux features uses this quadruple air filter system for your home to clean as much as possible. The anion emitters can now remove the fan To from panel and to release almost trillions of negative ions to your home.


Triad Aer Air Purifier System – All three innovative technologies in one goal

Yes this might not look too handsome and expensive. But for sure during our testing. WIth the pollutants tester. This air purifier will destroys all sort of pollution from air inside the wall and floors and including carpets.

This let you control all the sanitization of all surfaces and brings you the most advanced air purification. If you discuss the technology, ionization, oxidation and also filtration is all there. However, there is one major problem is that the filter changes can be of extremely expensive for you to change.


New pureAir 3000 Whole House Air Purifier by GreenTech, Next Generation Technology

The new pure air purifier is definitely the most active technology for you to destroy all sort of bacteria and to eliminate all contaminants.

This pureAir 300 whole house air purifier will handle all odor and ionization. Deter the pet, mold, carbon monoxide, bacteria and all sort of viruses.

During our testing, when it runs, it doesn’t make any noise. And what’s best is that you can be used in high mode, you just need to get to the closet area settings and leave it in high mode and it will turn the fan down.


Airfree Onix 3000 Filterless Air Purifier

The Airfree Onix air purifier is the fancy solution option that you do not need to think about changing the filter anymore.

Come with exclusive patented thermodynamic TSS technology. The Airfree applies for the same concept and will let you to boil all the bacteria like boiling the water. All micro organisms will be cleansed in this way.

Since it doesn’t rely on the usage of any air fan. Therefore this is of completely silent. You can refer to the easy to use manual and also there’s plenty of video teaching you how to use the air purifier here in amazon.

This TSS technology is patented and is also available with AirFree. All you need to do is to switch on the device and no filter is required.

Although it might cost more than the other solution. But if you think in a long run, this air purifier will let you to save plenty of cost in the future.


Levoit Air Purifier with True HEPA Filter

The Levoit air purifier will let you to clear all the bacteria with an externally. This HEPA technology can let you filter up to 99.97% of the bacteria. What’s the best is that the usage of the materials is using lifetime material and is all CE and FCC certified and approved.

You can even replace the filter after 6 months of time so there is no worry that you need to constantly changes the filter.


Dyson Pure Cool Link Air Purifier

Come with two colour option. The Dyson will helps you to remove up to 99.97% of dust and allergens including pollutants.

You can purify everything eight his option and it has the auto night time mode. Capable to handle all monitors, let you reacts and purifies. It has the best quietest settings and certainly no disturbance for the air filtering.

This Dyson will let you wrap in a 360 degree and to clear all vacuum sealed glass HEPA filter. The activated layer will counter all granules captures for Doris and tackle all the harmful toxins like paint fumes. This Dyson pure cool replacement will filters all bacterias together with a nice LED display Dims.

Two years warranty is also available and for sure will be the ultimate solution for you in future home bacteria free environment.

The Dyson can cover up to 1600 square feet of contiguous space and you can replace the filter cartridge as well.


To conclude, upon all the features. The level of quiet is among all the most critical. There are often many discount offer up to 70% in amazon. Do check for the these options with our link and know the benefit of saving your bank some bucks.

100review author

About the author:

Hi, this is Rachel. I am a full time products review writer for various blogs. You can find me doing yoga and enjoying coffee in Starbucks reading and chill. My motto for life – You only live once.


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