What is an Air Purifier?

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What is an Air Purifier? When the world covid pandemic 19 arrives, everyone understands the value of clean air. After that purifier come into focus. Many of us are very curious to know that, what is an Air Purifier? So,  Air Purifier is an air cleaner device that sanitizes the air and removes contaminated particles from the air of a room and improves the air quality. It is very good for asthma and allergic people. It also eliminates the bad odor from the room like smoke odor.

What is an Air Purifier?

Where you can use it

 As you already know what is an air purifier , then its easy to understand further. It does not generate secondary pollutants itself. It is not the same as an air humidifier or air ionizer. It is started to be used in schools, offices, homes, salons, hotels, etc. As we spent most of our time at the home, it is very important to keep the air inside our home clean using an air purifier.


 Many Purifier comes with Pre-Filter. It is used to filter the air before it enters the main filter. It captures the macro particles from the air like dust, Pet hairs, etc. It is placed in between the entrance. So it filters the air at the entrance. It increases the life of other filters by 99.5%.

Pre Filter


It sanitize the indoor air very deeply. It treats or cleans rugs, carpets, sheets, and any textile thing. It is the best for asthma patients and respiratory patients because it clean and sanitize the air.

How to choose a good Air Purifier

Here are some points that need to be consider before you purchase any Air purifier.


Every Air purifier has its own performance and characteristics. Every air Purifier is suitable for room dimensions like 25 m² to 120m². If you choose an undersized device, then the performance of the purifier affect.


ACH is short for Air Change Per Hour. You have to check its rating.4* or 5* rating is best. It defines the time or how frequently it changes the air of the room and cleans the entire air. This is very important.

Noise Level

When we are at home, we all love peace and silence. So the comfort of hearing is very important. It has to run the whole day and night if it makes a noise how does anyone sleep. so check the noise level before you buy any Air Purifier.

Size of an Air purifier

Air Purifier comes in two sizes. Large size and small size. Large size device is suitable for the entire home and small size device is useful for each room. It is a portable device.

Advantages of an Air Purifier

  1. If you use an air purifier then life expectancy increases.
  2. It helps in better sleep.
  3. It cleans the air in 30 to 2 hours.
  4. It is good for respiratory patients and asthma patients too.

How to know that you need it

If you feel some of the below symptom, you should consider purchasing Air Purifier:


  1. Respiratory problem
  2. Runny nose
  3. Watery eyes
  4. Itch throat
  5. Headache
  6. Fatigue
  7. Dizziness

Types of an Air Purifier


HEPA is short for high-efficiency particulate air. This is a technology used for many years. Human eyes can see 10 microns in size but they can filter 0.3-micron size too. It sucks the air in the room to retain the particles. Then the air passes through many filters that retain the different pollutants in the air. This type of purifier is one of the best purifiers as it does not have any bad impact on our health. 


Activates Carbon Filter

It destroys the bad smell/ odor from the room. It has activated carbon beads that filter or strain the air and eliminate toxic gases like a bad smell, ammonia vapor, etc. It is also used to eliminate the excessive Ozon quantity in the air.

Ioniser Air Purifier

This kind of Air purifier does not use any filter. Instead of a filter it uses negatively emit charged ions. These emit charged ions then combined with carbon particles and make them heavy so that they cannot fly in the air and fall on the ground or surface. Its main disadvantage is that all the contaminated particles fall down on the ground and you have to clean them manually.

Ioniser Air Purifier

UV light Air Purifier

It uses short-wave Ultraviolet light to eliminate airborne germs, bacteria, and viruses and sanitize the room. This method is taken from the hospital that uses UV light to disinfect the patient’s room. It is a small and compact device. 

UV light air purifier

Electronic Air Purifier

It is a solution for the whole home to destroy airborne diseases. It works with an air-conditioner to charge and trap airborne particles. It is 99.9% effective against airborne diseases. It uses HEPA technology and positively charged ions. As You know that HEPA can destroy 0.3-micron particles too, so the remaining particles trap by positively charged ions. If you want to buy an air purifier that destroys 99.9% of germs, dust particles, bacteria, viruses, and smoke then the best option to go with is an Electronic air cleaner.


Research shows that filtering the air, removes very harmful particles from the home like smoke, virus, bacteria, etc.  Lack of ventilation has increased the demand for it. It is helpful for asthma patients but never stop taking medication if u start using an air purifier. Always consult your doctor first. Nowadays all types of air purifiers come in one purifier itself for greater performance.

You can find my other articles here.

Thank you so much for reading my article.

This Post Has 4 Comments

  1. Ritu

    Very nice..language is too easy to understand

  2. Jaspreet Kaur

    Lucid content and insightful explanation.

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