Top 9 Things to Know Before You Get a Whole House Air Purifier

Written by: Yuvika Iyer

Published on: Nov 07, 2019

Top 9 Things to Know Before You Get a Whole House Air Purifier

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Last Updated on December 17, 2019 by Yuvika Iyer

Are you planning to get an air purifier for your whole home? Air purifiers is a whole new technology that can be challenging. Here we share the factors you should notice before getting one.

How to Buy a Whole House Air Purifier

Are you planning to get an air purifier for your whole home?

If you want to buy along-lasting and effective air purifier, you will need to start with what exactly is essential for you.

I am sure you don’t want to spend a bomb on the device and watch it perform less than your expectations. To avoid such a scenario, make a list of all your must-haves in an air purifier before you go shopping for one.

Let’s say you need an air purifier for a small apartment, measure its size before you start selecting the purifier models. Select a purifier model once its stated capacity exceeds your room dimensions.

If its purification capacity is lesser than your room dimensions, give it a miss.

I am sure you have got the hang of what I am saying here. Let me share some fundamental factors that you should review before zeroing in on your air purifier.

Filter Efficiency

The air purifier you choose should have an active filter that can trap even minute impurities. Ideally, it should have a capture size of 0.3 microns or even smaller.

Once you get this, air purifier benefits will be visible. Then, it will be able to catch pollen, dust mites, bacteria, and most other contaminants.

Air Quality

The parameter of air quality helps you measure the kind of indoor contaminants you are filtering out of your room air.

While ordinary filter purifiers can trap dust-like particles and microorganisms, you will need an ionizer or a UV air purifier if you want to filter out chemical fumes and smoke.

Size and Expansion

It is best if you decide which room you want to put your air purifier in first before you make a purchase. Doing this will help you understand what should be the best size of the air purifier about the room.

Also, make sure that you know the kind of air purifier you want- a portable one for your bedroom or a larger model for your entire apartment.

Clean Air Delivery Rate

The Clean Air Delivery Rate or the CADR is used as a unit to measure the total volume of air that can be cleansed of a particular pollutant by the air purification system in one hour.

The higher the number, higher is the machine’s efficiency at cleaning out that contaminant. Knowing this will help you address specific problems.

Air Flow Speed and Quantity

The measurement, Cubic feet per minute (CFM) is used to measure the amount of air that goes through the purifier in one minute.

To get value for your money, you should choose a purifier with a high CFM. A good air purifier should have a value of 350-400 CPM.

Noise produced

If you are planning to keep your air purifier switched on the entire day, then you should go for a machine that does not make a lot of noise.

Most air purifiers come with a decibel rating which will tell you their fan speed. The decibel will help you determine the typical sound an air purifier is likely to make.

HEPA Filter

You must have heard of the popular HEPA filters in air purifiers. If you want an efficient air purifier, you should go for one with a HEPA filtration system.

However, you should for the filters that are labeled “true HEPA” or “absolute HEPA” because they are the real products.

Filtration Technology

You must know that there are different technologies available for air purification today. You will be able to combine a good filtration system with an advanced system like UV purification or ozone purification for your perfect machine.


You should fix a budget before you start researching the market or you will not be able to narrow down the options.


Once you know about the different factors to look out for, your search process becomes much more relaxed. Now that you have your checklist for reviewing an air purifier let us know if you used any other factor to choose your favorite model.

Share your ideas in the comments and help our community learn. Sharing is caring!!

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