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How To Choose An Air Purifier?

Air Purifier

Studies show that the air quality inside our homes can be almost five times more contaminated than outside. To prevent this, best air purifiers work to expel toxic allergens, impurities, and toxins from the air. By purifying the air, these purifiers guarantee the healthiest life possible, especially when we need to spend the majority of our time indoors.

However, the main issue is that with such a large number of alternatives available today, deciding to choose an air purifier for your home can be an irksome venture. In this article we will guide you on how to choose an air purifier by explaining everything you should know before buying these gadgets.



What are Air Purifiers?

Essentially, an air purifier cleans the air around you. The filtering process of an air purifier aims at eliminating pollutants such as dust, pollen, tobacco smoke, toxins from aerosol sprays and other chemicals, VOCs (volatile organic compounds), bacteria, and many more. The lesser these harmful particulates are present in your home, the lower the chances of you and your family inhaling them.


Types of Air Purifiers

There are several distinct sorts, styles, and brands of air purifiers available in the market. However, you don’t need to feel lost in the crowd of air-purifying brands because there are only four main types of filtration technology based on which air purifiers are designed. These four air cleaning channels target various kinds of indoor air contamination. Given below are the four types of air purifying technologies and how they function:


1. High-Efficiency Particulate Air (HEPA) Filtration

This air filtering procedure is rated to be the best way to purify the air. It comprises of an extremely thick paper filter that catches airborne pollutants. A ‘True HEPA Filter’ air purifier is guaranteed to eliminate almost 100% of pollutants such as visible smoke, pet dander, hair, mold spores, dust, parasites, fungi, and other microscopic particles as small as 0.3 microns in size and doesn't discharge them back into the air.


2. Ionic Filtration

This technology works by emanating a haze of charged ions into the air that clasps onto airborne impurities. Through this procedure, the contaminants are forced to fall onto the floor. Some ionic air purifiers incorporate an electrostatic plate that collects these particles and eliminates them from the room.

Ionic filtration can get rid of ultra-fine particles of almost 0.01 microns in size such as pollen, fungi, mold spores, visible smoke, harmful bacteria and viruses, and other micro-particles. They are more affordable than HEPA air filters, are noise-less, and doesn’t need maintenance.



3. Carbon Filtration

Carbon filtration technology makes use of activated carbon particles as they have a large number of microscopic porous vents. These pores can efficiently catch odors, fumes, and other gases by creating a vast surface area. However, these filters can only be used to remove odors like odors, and fumes from tobacco smoke, paints, cooking, etc. and makes the home smell clean and refreshing but they are not utilized to get rid of harmful particles.


4. Ultra Violet (UV) Light

This innovation, unlike the other three, emanates an undetectable light that attacks contaminants instead of filtering them through a channel. The UV light is enclosed inside the air purifier and not emitted into the room. UV air purifiers utilize the UV-C band of the ultraviolet range which does not have any harmful effects on humans.

It is designed to primarily eliminate microbes found inside the home by decimating their DNA structure thereby creating a sanitized, clean condition in your home that is free of disease-causing germs, viruses, and bacteria. Ultraviolet light tubes rarely need to be replaced and can last for long hours.

Other than these four sorts of air filtration, air purifiers are also available in two other variants:

  • Classic Version – These types of air purifiers are available in the conventional model where you will not get the details of the type of pollutants that are being eliminated from the air.
  • Smart Enabled Version – These air purifiers have a customized mobile app that gives you information on how well the gadget is cleaning the air.


Types of Ratings for Air Purifiers

There are two types of ratings for an air purifier. They are:
  • ACH – The full-form of ACH is "Air Changes Per Hour". Although mostly overlooked by buyers, this rating indicates how efficiently an air purifier performs. The ACH ratings (shown on the device as 4x, 5x, or 6x) indicate how frequently the air purifier can swap the air inside the room with fresh air per hour. A higher number indicates how successfully the machine can purify the air inside a room.
  • CADR – Clean Air Delivery Rate or CADR rating plays a significant role especially when you want to compare two or more products. The CADR rating guarantees that if an air purifier claims to clean the air of a particular sq. ft. of the area has actually been tried and checked to be valid. The CADR rating estimates three kinds of air contamination namely, dust, tobacco smoke, and pollen. The range for each category of measurement can be from 10 to 450 which is shown as a 3-digit set. The higher the number, the more effectively the air purifier can evacuate that kind of contaminant.


Size of an Air Purifier

Choosing the right size of an air purifier is one more important factor that you should keep in mind. Calculate the total area in the square foot within which the air needs to be purified. If you need the air cleaner for one room, calculate its area in sq. ft. and if you need it for multiple rooms then add the total area of all rooms combined. You will then be able to know what the base area rating an air purifier must have so as to effectively clean the air inside your home.


Additional Features of Air Purifiers

Air filtering machines also offer a variety of additional features and upgrades like carrying handle and casters, air quality sensors, antimicrobial treatment, pre-filter, digital controls, filter replacement indicators, programmable timer, plasma-wave technology, adjustable fan speeds, photocatalytic oxidation (PCO) and many more which helps you to decide how to choose an air purifier.

An air purifier is a significant investment, therefore, keep in mind the above-mentioned factors before buying a purifier that will effectively purify your home and keep you healthy.

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