What to see before buying the best air purifier for your home?

Air purifiers filter and remove pollutants from the air and provide you with clean, hygienic air for healthy breathing. Air pollutants, including airborne dust particles, fumes and harmful germs, pose health risks, and people with respiratory problems need to be extra careful.

There are five main types of air purifiers in total viz. ionic air purifier, HEPA purifier, adsorbent air purifier, UV air purifier, and ozone generator. You can choose the right one after studying its pros and cons.

 

What to see before buying the best air purifier for your home?
Air purifier for home buy guide

What to see before buying the best air purifier for your home?

HEPA purifiers are best for removing airborne particles, but if you want to remove unpleasant odors and some VOCs, an adsorbent purifier with a pre-filter will be the best option for your home. Today, many air purifiers are working in combined functions, such as an air purifier with a HEPA pre-filter, as well as UV protection and adsorbent for fresh, clean and germ-free air.

Each one has a different working mechanism, shapes, sizes and capacities. However, if you want to choose the best air purifier for your home, never use ozone generators as it is not suitable for an occupied space; otherwise, follow the manufacturer's instructions and take safety precautions during and after use.

In this technological world, most of the air purifiers come with smart features that allow you to operate and control the air purifier remotely via your smartphone.

 

How to choose the right air purifier for your home?

The requirement for an air purifier may be different for each individual, but the ultimate goal is to maintain clean and hygienic air in your home for healthy breathing.

When buying the right air purifier for your home, you should consider the important point below

 

Identify your needs and study the location

In the locality where there is a risk of exposure to industrial pollutants or near roads, an air purifier with activated carbon filters is preferable to eliminate dangerous and unpleasant odors.

The HEPA purifier can remove 99.97% of 0.3 µm particles in the air with its true HEPA filter technology. It also has a second filter to remove suspended particles down to 0.1 µm, including germs.

People with respiratory problems such as asthma should prefer air purifiers with true HEPA filters and never choose ozone-based purifiers.

Choose an air purifier that allows you to easily clean it or replace the filter on your own.

 

How to consider the types of filters?

The air purifier comes with different sizes and types of filters, such as Pre-Filter, True HEPA Filter, Activated Carbon Filter, UV Filter, Electrostatically Charged Media Filters, and Photocatalytic Oxidation. The type, size and amount of filter media in a HEPA filter are important because they determine how well it will trap particulate matter and how long the filter will last.

Different materials are used in the pre-filters such as foam and non-woven polyester to remove large particles in the air before the next filtration step. True HEPA filters are made of fiberglass that can clean 99.97% of all 0.3 µm particles in the air. Activated carbon filters in combination with other filters can remove unpleasant odors and fumes.

You should replace the filter from time to time. UV filters and HEPA filters are used to kill germs. Electrostatically charged filters, as well as a mechanical filter, are used to remove tiny 0.1 µm airborne particles. The photocatalytic oxidation filter made of a metal plate covered with titanium dioxide and ultraviolet light can physically oxidize and break down chemicals during the filtration process.

Select the right filter types with the right size and quality. An H-13 or H-14 grade HEPA filter with a MERV7 or MERV8 pre-filter is preferred to remove airborne contaminants and improve filter life. Also consider the volatile organic compound (TVOC) filter to filter unpleasant odors or harmful gases from the air.

 

How to consider the size of an air purifier for your home?

When purchasing an air purifier for your home, you need to consider the right size so that it can provide the right CFM (cubic feet per minute) for the size of your room.

As a thumb rule, the larger the room, the higher the CFM to achieve the desired number of air changes.

You need to calculate the volume of your room where you plan to install the air purifier. Simply divide the volume of that room by 60 (minutes in an hour) and it will give you the CFM you need to achieve 1 air change per hour. If you want 2 air changes, just double that number.

Large spaces will need larger air purifiers, but for a bedroom, choose an air purifier that makes less noise so you can sleep peacefully. The air purifier with smart functions for a living room allows you to increase or decrease the variable settings when no one is in the room.

 

How to consider the air change rate of the air purifier?

The air change rate per hour (ACH) of an air purifier indicates exactly how many times the purifier filters the air in the entire room in an hour.

ACH decides how much protection you want for your home. The more ACH, the greater the protection and vice versa. Many factors determine the value of ACH, such as density of people in space, type of occupants such as high risk people, amount of pollutants, frequency of pollutant generation, and level of pollution exposure.

You need to consider the fan power, if the fan power is too low, it will not move or distribute the clean air properly and leave a pocket of clean air near the air purifier instead of the whole room.

 

How to consider CADR of air purifier?

CADR stands for Clean Air Delivery Rate and is the measure of the delivery of purified air by an air purifier at its maximum speed. It indicates the amount of air flow and the efficiency of the filter in combination.

The CADR rating indicates how quickly the air purifier can clean the air in a particular size room, and therefore when purchasing an air purifier, look for the highest CADR value.

 

Design and durability - Air Purifier for home

When choosing the best air purifier for your home, aesthetics look is also as important as its technical features. Apart from that, consider its construction design, the type of fan and bearings used, the smoothness and efficiency with which it exhausts air, and the noise level.

The air purifier comes with a plastic or metal casing which also affects durability and noise level. The type of fan and its lifespan have a big impact on the reliability, lifespan and noise level of a purifier. A cheap air purifier can use poor quality materials, and poorly designed fans can cause excessive noise and shorten life.

 

Customer service, warranty and performance check

Every air purifier requires regular maintenance of the filter and fan. Therefore, after-sales service must be good to be able to replace it quickly and comfortably. After purchasing the product, a technical problem may arise, so you should consider the air purifier with a long warranty.

The performance of the air purifier can be checked online by reading the customer review.

 

Summary

When buying the perfect air purifier for your home, consider the size of your room to decide the CFM, AHC, and CADR. Prefer high CFM and AHF for larger rooms. Filter and fan design types should also be considered in conjunction with CADR. Always try to buy a hybrid air purifier with smart functions so that you can operate and control it from the remote. Do not buy ozone generator for your home. Always prefer combination of HEPA filleter of appropriate grade along with UV protection and absorbent.


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