3 Common Myths And Misconceptions About Air Purifier In Singapore


Have you ever planned on buying an air purifier in Singapore? What made you buy it? Or the better question is, what made you not purchase it? Some people were discouraged from buying home or car air purifiers because they believed in myths and misconceptions about the device.

But are these myths and misconceptions true? This article will try to answer all the rumours that made you not buy a home and car air purifier in Singapore.

Find out the truth behind the common myths and misconceptions about air purifiers here.

3 Common Myths And Misconceptions About The Air Cleaner In Singapore

Before we dive into the myths and misconceptions, let us first discuss what an air cleaner is. An air purifier is an appliance that claims to filter indoor air. There are different types of air purifiers, and each varies, depending on its filter or process of purifying the air.

The most common filters for an air cleaner in Singapore are HEPA, activated carbon, ioniser, and UV light.

High-Efficiency Particulate Absorbing filters, or HEPA filters, are tightly knit mesh made of plastic fibres and fibreglass. HEPA filters can trap dust particles in the air.

On the other hand, an activated carbon filter is a porous treated carbon material that can trap dust particles as well as neutralise odours.

Unlike the first two air cleaners that use filters, an air ionizer in Singapore negatively charged ions clinging to air particles and dust, making them too heavy to drift through the air and fall on the ground.

Similar to an ioniser, UV light air cleaners don’t use filters. They utilise short-wave ultraviolet light to kill viruses and bacteria in the air. However, they are ineffective in removing air particles.

Air purifiers work by sucking in air, letting it pass through its filters and releasing the filtered air out. Here are the most common myths about a car, home, and office air purifier in Singapore.

MYTH #1: Air cleaners can improve your health

Since air cleaners can eliminate all dust particles in the air, you will never get asthma and allergic rhinitis. Moreover, UV light air cleaners can kill germs that could cause infection and illnesses.


This myth is partially true and partially first. An air cleaner can indeed improve your health by reducing the causes of these conditions. It eliminates the dust and dander in the air that triggers asthma and allergies; however, the effectiveness still depends on several factors.

For instance, no matter how many air filters you have in your home, if you do not clean or vacuum your home regularly, dust will still plague your home. Moreover, it will only speed up the need for filter replacement of your air cleaner in Singapore.

Moreover, some air cleaners are not as effective as others. Air cleaners have limitations when it comes to the volume of air they can clean. A tiny air purifier can’t filter the air inside the 20 sq.m simply because it is beyond its capacity.

On the other hand, UVC is effective in killing viruses, such as SARS-CoV-1 and MERS; however, more studies are needed to prove its capacity to destroy other viruses, including the coronavirus.

To sum up, using air cleaners alone will not improve health. Managing the causes of illnesses and choosing the appropriate air cleaner should be present.

MYTH #2: Bad odour indicates an ineffective air purifier

Many people believe that if the air purifier does not eliminate the odour in the air, it is ineffective or broken.


This myth is false. It all depends on the type of home or car air purifier you have in Singapore. As mentioned earlier, there are different types of air cleaners. There are air cleaners that eliminate dust, while some can kill germs.

Do not expect an air cleaner with a HEPA filter to eliminate odours, as its primary purpose is to trap dust particles. The same goes for a UVC air cleaner and air ionizer in Singapore. If you want to get rid of foul odours, you need an air cleaner that uses an activated carbon filter. The carbon filter helps remove odours by absorbing them.

But what if the filter itself emits the smell? This scenario usually happens to HEPA filters. It means that your HEPA filter is too dirty and that mould is starting to build up. The mould growth causes a pungent smell in your air cleaner. Wash or replace your filter if you notice this sign.

However, if you smell burning rubber from your air cleaner, it means something is broken within the component of your appliance. Turn the air cleaner off and unplug it immediately.

MYTH #3: Washable air cleaners do not work

Washable air cleaners are ineffective and are mostly a scam.


This myth is false. But before diving into the explanation, let us all discuss washable filters. Air cleaners have two kinds of filters: washable and disposable filters. Generally, people need to replace their disposable air filters in Singapore every three months. To save money, some people choose air cleaners with washable filters, which need cleaning every two weeks.

Most washable air filters are made of multiple layers of woven polypropylene media stacked together to create a fine mesh. You can wash your washable filter with warm water, dish soap, and a soft brush. They are good to use for half a year before replacement.

The washable filter can remove air particles, contrary to myth. However, there are a few limitations to washable filters. For instance, it cannot filter microscopic particles and contaminants, unlike disposable filters. They are effective but not as efficient as their disposable counterparts.

Besides savings, another advantage of a washable air filter in Singapore is its eco-friendliness. Manufacturers of disposable filters are among the industries with the largest carbon emissions. Moreover, you can reduce waste by using a washable air filter.


Never believe in these air purifier myths in Singapore. Always do your research, and don’t fall for rumours and stories. Learning the facts will land you in the right air cleaner.

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