How to Choose an Air Purifier for Your Room in 3 Easy Steps

When it comes to battling smog, not all air purifiers are made equal. Not only are there models and brands in different sizes, but there are also models that sanitize the air in different ways. There are also additional features that come with the model, such as electric plates and activated carbon filters.

Fortunately, choosing an air purifier in Singapore is now simpler by following these three easy steps:

Step 1. Choose one with a reliable HEPA filter
A high-efficiency particulate air filter is the one thing that you need from an air purifier, as it can remove almost all particles that are too small for your body to filter.

While most particles can be trapped by your nose or your throat, other particles (such as particulates found in smog) are so small that they can pass through your body’s natural filters and lodge in your lungs, which can cause health problems.

Step 2. Choose an air purifier that can match the size of the room
An air purifier that’s built for the size of the room you want to put it in is crucial. Fortunately, some manufacturers list the recommended area size in a separate sheet, which makes it easier for you to know if a certain model is best for your room.

You should also keep an eye out on the CADR (Clean Air Delivery Rate), which is a number often expressed in cubic meters per minute. The higher the number, the more air it is capable of filtering per minute. However, it’s likely to be more expensive.

Getting the right CADR for your room is a matter of doing the math yourself. Because the ideal ratio for your purifier is that it should cover at least two-thirds of your room, you will need to convert the CADR units to those of your room in either square feet or meters.

Step 3. Avoid ozone and listen for the noise
Contrary to what you’ve been told, ozone is actually bad for your respiratory system, especially if you have asthma. This is because ozone can irritate your lungs and cause symptoms such as coughing, chest pains, and sometimes, even difficulty breathing.

Even though most air purifiers no longer use ozone as a means to sanitize the air, some purifier models still use ion generators (especially electrostatic models) to filter particles, and these models may emit low levels of ozone.

When you do consider buying an air purifier that uses an ion generator, be sure to take a close look at the purifier’s ozone output and compare its levels to the output of other models that use an ion generator.