Pug dog posing next to an Air Purifier Singapore

So you’ve been religiously washing your hands and using hand sanitiser, masking up as much as possible, and trying to steer clear of crowds, strangers and crowds of strangers.

Especially for city dwellers and in our modern climate, clean air quality is getting to be increasingly important. While air pollution is commonly associated with the outdoors, the air in our home can contain contaminants that can be equally, if not more, toxic – think microsopic particles to allergens like pet dander and harmful gases emitted from common household products.

Is there anything more you can do to keep you and the people around you safe and healthy – whether in Covid-19 pandemic or hazy times?

The last time we had a haze ‘outbreak’ in Singapore was in October 2023. The burning of peatlands in Indonesia has caused a major wave of haze in Singapore. According to The Straits Times, PSI levels reached unhealthy range for the first time since 2019. Check daily haze PSI levels here at NEA’s website.

Why, yes there is. Considering that we spend hours of our day in our bedrooms, homes and offices — and sometimes sharing the space with others — it might be a good idea to pay attention to the air quality at these locations and grab yourself an air purifier. Click here to jump to the bottom of the article to learn how to choose air purifiers, and how to use air purifiers at home.

12 Best Air Purifier in Singapore

Below, check out the best air purifiers in Singapore for cleaner, healthier indoor air and living environment.

Air PurifierPriceBest for…
LG PuriCare 360° Hit Air Purifier$399Newest air purifier
Xiaomi Smart Air Purifier 4$219Bedroom, study room
Philips Air Purifier – Series 2000i$494Larger homes
Dyson Purifier Cool Formaldehyde Air Purifier TP09$899Ultra-fine pollutants
Sharp Air Purifier FP-J30E-A$219Compact for small rooms
Sharp Air Purifier Plasmacluster Ion FP-J80E-H$899Common flu viruses
Samsung Air Purifier BlueSky 3000$529Dust sensor
Levoit LV-H132 Compact HEPA Air Purifier$149.90Common allergies
Novita 4-in-1 Air Purifier A4S$799Large living rooms, offices
Novita Air Surface Sterilizer NAS6000i$699Sterilises air & surfaces
Panasonic Econavi Humidifying Nanoe Air Purifier F-VXK70AWS$799Smart tech enabled
TruSens Z-1000 Air Purifier$246Budget air purifier
LG PuriCare 360° Hit Air Purifier (AS65GHWG0)

LG PuriCare 360° Hit Air Purifier, $399

LG is bringing a new room-sized air purifier to Singapore, where the Korean electronics brand packs many key air-cleaning features into one convenient smart appliance.

Called the PuriCare 360° Hit Air Purifier (model number AS65GHWG0), it has a 360° design to address purification in all directions at 490M³/h CADR. LG indicated that it has a 62.8 M² coverage – which is more than sufficient for most apartments with fewer than three bedrooms in Singapore.

A key provision of PuriCare 360° Hit is its multi-filtration system, which combines a pre-filter, dust filer, and gas filter into one unit. It can remove bacteria, virus, dust (as small as 0.01 micrometers), allergen, and odour components. This 3-in-1 comprehensive filter is also HEPA H13-certified (one of the highest possible tiers of HEPA filtering you can get anywhere, let alone in a home purifier).

This purifier also packs many bells and whistles to make its operation a breeze. As a smart home appliance, PuriCare 360° Hit is Wi-Fi enabled and compatible with the LG ThinQ app. A smart LED panel shows current indoor air PM1.0 quality with colour coding on the appliance itself. There are five fan speeds, including an Auto Mode that adjusts based on your room’s air pollution levels.

Folks with limited space at home will also be happy to know that the purifier is barely 52cm tall (511mm), with its base approximately 32cm wide (315mm).

LG’s PuriCare 360° Hit Air Purifier (AS65GHWG0) is priced at $399 from Lazada and Shopee.

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Xiaomi Mi Air Purifier 3H

Xiaomi Smart Air Purifier 4, $219

  • Cylindrical 3-stage filtration (mesh-HEPA-charcoal) for 360 degree air purification
  • Filters down to 0.3 microns
  • Effective up to 48 sqm, great for offices, living rooms and large rooms
  • OLED touchscreen with smart home controls

Our first pick by Xiaomi features a 360 degree cylindrical filter consisting of 3 layers (mesh, HEPA and activated carbon) that filters down to 0.3 microns, while removing common household pollutants like dust and hair, and absorbing odours and harmful gases such as formaldehyde and volatile organic compounds.

The Smart Air Purifier 4 has high effective coverage of up to 48 sqm, yet has a footprint no larger than an A4 piece of paper — ideal for use in the large bedrooms, living rooms or small offices.

It also comes with OLED touchscreen controls and a display that provides intuitive at-a-glance air quality information. Lastly, the inclusion of Mi Home smart controls ensures you can always enjoy clean, fresh air the moment you step into the home or office.

Verdict: It’s a good quality, powerful product priced much cheaper than many of its competitors, the Smart Air Purifier 4 provides clean air at great value.

Xiaomi Smart Air Purifier 4 is available online at $219 on Lazada and $216 on Amazon.

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Philips Air Purifier – Series 2000i

Philips Air Purifier – Series 2000i, $494.06

  • 3-layer filter (mesh/charcoal/nano-HEPA) captures particulates down to 0.003 microns
  • 99.97% allergen filtration
  • Intelligent sensing and auto filtration
  • 4 modes – auto, sleep, gentle. turbo

Great for larger homes or offices, the powerful Series 2000 Air Purifier from Philips has a total effective coverage up to 85 sqm and boasts particulate capture down to 0.003 microns that far outperforms the standard HEPA rating of 0.3 microns.

The purifier comes installed with a NanoProtect HEPA Filter as part of a three-layer filtration system that also includes a fine mesh pre-filter and activated charcoal layer. The device offers four modes of operation that include sleep, gentle, turbo and auto, the last of which uses smart sensing to automatically filter particles, harmful gases and indoor allergens.

Add to that mobile app control, adaptive ambient lighting, intuitive colour-coded displays and a sleek, minimalist design, and this becomes an easy pick whether for the home or the office.

Great controls, sleek design, large space coverage and ultrafine filtering capacity of 0.003 microns make the rather large price tag worth it.

The Philips Series 2000i air purifier is available at $659 from Amazon.

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Dyson Purifier Cool™ Formaldehyde Air Purifier TP09 (White/Gold)

Dyson Purifier Cool Formaldehyde Air Purifier TP09, $899

Using the latest technology in air purification, this new-gen Dyson air purifier combines the effectiveness of a solid-state sensor and a catalytic filter to break down toxic formaldehyde pollutants into harmless carbon dioxide and water.

Moreover, its HEPA H13 and activated carbon filters captures and contains 99.95% of air particles as small as 0.1 microns. This allows it to effectively diffuse out the dust, allergens and other ultrafine pollutants disturbing your space.

  • Classic, bladeless Dyson fan silhouette
  • Precise, solid-state formaldehyde sensor and filter to break down formaldehyde non-stop into water and carbon dioxide
  • HEPA H13 and activated carbon filters to detect and capture 99.95% of fine pollutants, down to 0.1 microns in size
  • Air Multiplier technology to purify room

But it’s not just the filter. In fact, the entire air purifier meets the HEPA H13 standard — meaning that whatever’s filtered into this Dyson machine stays inside. Filter care is also efficient and easy to change.

Other neat features include its oscillation ability of up to 350 degrees and a 20% in noise reduction to make it perfectly conducive for work-from-home and sleep (yes, it comes with night mode!). Notwithstanding that, it can also be entirely controlled from the Dyson Link app or the remote if you’re the traditional sort.

Excellent for filtering out harmful formaldehyde that is otherwise undetectable by humans. About 1.05m tall, 4.85kg and covers up to 81m3, this air purifier is definitely on the bulkier and pricier side on this list. More ideal for households and families with sensitivity and allergy problems.

Dyson Purifier Cool Formaldehyde air purifier T09 is available at $899 from Dyson and $999 from Lazada

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Sharp Air Purifier FP-J30E-A

Sharp Air Purifier FP-J30E-A, $219

The Sharp Air Purifier FP-J30E-A is not only compact and cute, it also boasts effective air purification and odour removal capabilities. The air purifier not only features a HEPA-standard filtration system, it also comes with Sharp’s proprietary Plasmacluster technology.

When in use, the device generates a constant stream of ions not unlike those found in nature. These have been proven to capture airborne microbes, and preliminary tests prove they can work against COVID-19 that causes COVID-19.

  • HEPA-standard filtration combined with Plasmacluster technology
  • Generates ions found in nature to suspend airborne viruses and microbes
  • Captures pollutants and deodorizes air

Additionally, Plasmacluster technology is also known for its strong deodorizing capabilities, creating fresh, clean air so you can breathe easy.

With effective coverage of up to 23 sqm, Sharp’s air purifier is suitable for cleansing and purifying bedrooms or small offices.

Compact, cute and with proven microbe-busting capabilities, this would be a great buy, if it weren’t quite so expensive.

Sharp Air Purifier is available for $219 from Amazon.

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Sharp Air Purifier FP-J80E-H

Sharp Air Purifier FP-J80E-H, $899

Sharp’s air purifiers are equipped with the Plasmacluster Ion technology, which emits positive and negative ions that deactivate airborne mould, allergens and influenza viruses. According to the brand, research has proven its efficacy against various flu viruses.

A three-step filtration system gets rid of larger dust particles and pet dander, common household odours, and up to 99.97% of ultra-fine airborne particles.

It may come with a hefty price tag but the FP-J80E-H model comes with highest density of Plasmacluster ions out of all of Sharp’s purifiers. Intelligent control functions on this model also allow for easy control and monitoring of the machine via the SHARP Smart Remote mobile app. And with a coverage area of 667 sq ft, it’s great for larger living spaces, too.

Sharp air purifier plasma cluster ion is available at $899 from Amazon and $1,059 from Lazada

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Samsung Air Purifier BlueSky 3000

Samsung Air Purifier BlueSky 3000, $529

The Samsung Air Purifier BlueSky 3000 is not only pretty to look at, it also provides powerful air purification for your home or office and has an effective coverage of up to 40 sqm.

With a triple layer filtration system consisting of a mesh, carbon and ultrafine filter that filters down to 0.02 microns, the BlueSky 3000 offers professional-grade purification without the noise — maximum noise reaches just 48 db.

  • Triple-layer filter removes particles as fine as 0.02 microns
  • Soft-touch controls with intuitive LED displays
  • Effective coverage up to 40 sqm

The device has two separate sensors – one for dust and one for gases – and is capable of responding automatically to prevailing air quality. It has an intuitive colour-coded LED display that keeps you informed as the air is purified.

Alternatively, you can also monitor and control your air quality by linking your BlueSky 3000 with your mobile phone via an app.

Samsung Air Purifier Bluesky is available at $529 from Lazada.

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Levoit LV-H132 Compact HEPA Air Purifier, $247

Levoit LV-H132 Compact HEPA Air Purifier, $149.90

This compact air purifier at a wallet-friendly price is designed to target common allergy triggers like pet dander and mold spores. It also removes odours like cooking smells, secondhand cigarette smoke and ultra-fine particles thanks to a set of three filters: a pre-filter, TRUE HEPA filter, and an activated carbon filter.

For those concerned about ozone production, it claims to be ozone-free, and does not use UV or ions, which can produce trace amounts of measurable ozone. You’ll get to select from three speed settings, and an additional night light makes it a great option for the kids’ bedroom.

Levoit compact air purifier is available at $149.90 from Shopee.

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Novita 4-in-1 Air Purifier A4S

Novita 4-in-1 Air Purifier A4S, $799

If you’re looking for the ultimate in home or office purification, Novita has got you covered.

The 4-in-1 A4S Air Purifier is able to deliver purification so thorough, your space can pass for a clean room (you know, where they make medicines and computer chips and stuff that demand rigorous purity?)

This A4S achieves this frankly mind-boggling feat through a combination of functions. First it employs a multilayer HEPA filter that incorporates catalyst and activated carbon filters to collectively trap, remove and eliminate air pollutants, allergens and germs.

  • Combines air filtration, humidification, ionisation and sanitisation
  • Multilayer HEPA filter traps particles and removes odours, gases and germs
  • Generates negative ions to eliminate allergens and microbes
  • Cleanroom standard purification

Then, the device has a built-in negative ion generator that releases negative ions to further eliminate any leftover allergens or microbes, while also promoting alertness and improving energy, relieving stress and drowsiness.

And if that’s still not clean enough for you, feel free to add Novita’s optional Air Purifying Solution Concentrate to oxidise and eliminate any (remaining) harmful germs via the humidifier function.

The A4S Air Purifier has a maximum effective coverage of 120 sqm, making it a suitable option anywhere from large homes to small conference halls.

Novita 4-in-1 air purifier A4S is available at $799 from Novita and Lazada.

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Novita Air/Surface Sterilizer NAS6000i

Novita Air Surface Sterilizer NAS6000i, $699

It may not be enough to only eliminate pollutants floating in the air – it’s also a good idea to get rid of contaminants thriving on often-touched surfaces.

Enter Novita’s surface steriliser, air purifer and ioniser rolled into one, which utilises a true HEPA filter, UV photocatalytic oxidation, Electron Spray Ionization and Mica Corona Discharge (this utilises controlled ozone concentration that targets airborne germs and odours.

A nifty energy-saving feature: You can adjust the area of coverage (between 100 to 1200 sq ft) as well as maximise its sanitising capabilities with the Away mode (Note: you’ll have to be out of the room on this mode).

Novita air surface steriliser is available at $699 from Novita and Lazada.

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Panasonic Econavi Humidifying Nanoe Air Purifier F-VXK70AWS

Panasonic Econavi Humidifying Nanoe Air Purifier F-VXK70AWS, $799

This smart device, which covers about 560 sq ft, comes with an Econavi technology that “memorises” your daily household habits and pollution patterns for maximum efficiency – reducing unnecessary operation also makes it more eco-friendly and lowers your electricity bills.

It’s powered by an advanced nano technology and conserves energy thanks to intelligent sensors. Not only does it inhibit the growth of bacteria and viruses, it also deodorises your space and promises to help retain the moisture of your skin.

Panasonic Econavi air purifier is available at $799 from Lazada and Amazon.

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TruSens Z-1000 Air Purifier

TruSens Z-1000 Air Purifier, $246

With effective coverage of up to 23 sqm, the TruSens Z-1000 Air Purifier is a great option for small bedrooms or offices.

Featuring a contemporary design, the purifier utilises activated carbon and HEPA-standard air filtration to effectively cleanse air of commonly found pollutants and harmful substances such as gases and volatile organic compounds.

  • Combination carbon and HEPA filter, with UV sanitisation
  • Dual airflow streams for further and more even air distribution
  • Built-in handle for easy portability

Trapped bacteria and harmful microbes are destroyed with the built-in UV light filter, providing another layer of protection.

The Z-1000 weighs in at just 4kg, and has a built-in handle for increased portability.

Trusens air purifier Z-1000 is available at $246 from Lazada and Shopee

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Air purifier placed next to a bed in a bedroom

4 Benefits of Air Purifiers

Using an air purifier is a convenient and effective way to ensure clean, fresh air in your bedroom, homes or office.

Removes dust, particles, allergens

Thanks to advances in technology, consumer-grade air purifiers are capable of filtering the air we breathe to remove fine micron-sized particles, such as dust mites, pet dander, pollen, dust, smoke, gases, fungi, bacteria and viruses.

Reduces humidity, harmful microbes

Air purifiers clean the air by using multiple layers of filtration — with HEPA (high-efficiency particulate air) filters as the gold standard. Some models also include additional features such as air humidification, UV light steriliser, ion technology or biochemicals to destroy harmful microbes.

Removes toxins, odours, irritants

Using an air purifier with HEPA (or equivalent) filter results in sanitised, fresh-smelling air free of irritants, toxins, or odours, and may also safeguard against airborne viruses such as COVID-19.

Reduces allergies

It can also lessen or prevent allergy flare-up among sufferers by reducing or eliminating allergens in the environment. At the same time, the constant filtering and removing of dust and fine particles reduce dust build-up and helps keep your space clean.

All air purifiers will need to have their filters replaced with use — typically after 24 to 36 months of usage — in order to continue functioning well. You should take the cost of replacement filters into account when choosing an air purifier, as some brands may be more expensive than others, while others may last longer.

Also, choose the right type of filter according to your needs; there’s no point paying extra for premium filters if you or your family have been doing ok with a regular one installed.

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Aerial view of Singapore's residential HDB blocks and skyline engulfed in haze and smog in 2015.

How to choose the right air purifier?

When the haze is back and there’s not much we can do except stay indoors, wear masks outdoors, and drink lots of fluids. Another way to cope is to get an air purifier for the home, but knowing which features you need and which you don’t can get confusing. If you haven’t already bought one, here’s what you need to look out for.

Cross section diagram showing the insides of a HEPA filter in air purifiers.

1. Air purifier with HEPA filter

You can skip on everything else, but the one thing you must have in an air purifier is a High Efficiency Particulate Air (HEPA) filter, which can remove more than 99.97% of 0.3-micron particles. That 0.3-micron figure is important.

HEPA Filter meaning

There are two ways of measuring particle matter (PM): PM10 and PM2.5. PM10 measures particles from 2.5 to 10 microns in diameter, while PM2.5 measures particles 2.5 microns in diameter or less.

A human hair has a diameter of 40 microns, so these are extremely small particles that you can’t see with the naked eye. To put it another way; just because you can’t see them doesn’t mean that they’re not there.

Graphic showing close-up microscope view of a strand of human hair, a grain of beach sand, against PM10 particles such as dust, pollen, mould, and PM2.5 particles such as combustion particles, and metals. Image by US EPA.

PM10, and PM2.5 Meaning

PM10 particles can be trapped by your nose or throat, but PM2.5 particles are so small that they can slip through and lodge in your lungs, causing all sorts of health problems.

To trap and filter PM2.5 particles, you’ll need that HEPA filter. Without it, any air purifier is really just decoration. We recognize that air purifiers with HEPA filters can cost more, but if you want to get something to do a job, then you need to know that it actually does that job. Beware of air purifiers claiming to be “HEPA-type,” “HEPA-like,” or “99% HEPA,” which are not true HEPA filters and not as effective

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White bed against white walls and white curtains in a bedroom. Photo Pexels

2. Air Purifier Room Size

The second thing to look for is an air purifier that’s built for the size of your room. If you put an air purifier built for a small room into a large one, it won’t be able to filter air as well.

Some manufacturers list the recommended area in their specifications sheet, which is an easy way to find out if that model fits your room. Some list a number called CADR, which stands for Clean Air Delivery Rate.

Air Purifier CADR Meaning

CADR is an independent test result from the Association of Home Appliance Manufacturers (AHAM) in the US. The number is expressed in cubic feet or meters per minute, and it measures for tobacco smoke, pollen and dust filtration. The higher the CADR number, the more air it filters per minute for that particle.

Note that CADR doesn’t measure the effectiveness of the size of particles being filtered, that’s where you still need to have that separate HEPA filter specification.

How to calculate CADR for air purifier

AHAM recommends a ‘two-thirds’ rule when it comes to the tobacco smoke rating, that is, you’ll want to find an air purifier with a CADR (tobacco smoke) that is at least two-thirds of your room’s area.

The problem is that the number is mostly listed in square-feet, not square-meters, so you’ll have to do the conversion yourself. For example, if you have a room that is 120 square-feet, you’ll need a CADR (tobacco smoke) rating of at least 80 (two-thirds of the room’s area). Yup, some math is required.

If you truly cannot afford to get a HEPA air purifier sized to your room, then you can consider placing a smaller-rated air purifier closer to the important areas, like near your bed, or near the sitting area of your living room.

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No ozone symbol

3. Air Purifier Ozone-Free

We don’t recommend air purifiers which use ozone to clean the air. Ozone can irritate the lungs and cause chest pains, coughing, and shortness of breath, even in people who don’t suffer from asthma and lung problems. Children and older adults are more sensitive to ozone.

According to the United States Environmental Protection Agency, “At concentrations that do not exceed public health standards, ozone has little effect in removing most indoor air contaminants.” Even low levels can be harmful, and repeated exposure can permanently scar lung tissue.

Many air purifiers sold these days no longer use ozone, but there are air purifiers which use ion generators to clean the air, and they emit low levels of ozone.

Air ionizers dangers

Air ionizers, or negative ion generators, discharge electrons which form negative ions in the air. These negative ions then attach to small particles like smoke, dust and pollen, clumping them into larger particles which can be more easily filtered by the air purifier. However, these larger particles can also simply descend to the ground, or attach themselves to positively charged surfaces in the room.

Air ionizer safety

The problem with negative ion generators is that they typically produce a low level of ozone. Now these may be levels low enough that they won’t affect your health, but we’re not keen to take the risk. If you’d still like to get an air purifier with a negative ion generator, take a look at the air purifier’s ozone output and compare it to the recommended levels.

The United States Environmental Protection Agency (EPA) recommends a maximum eight-hour average outdoor concentration of 0.08ppm of ozone, while the United States Occupational Safety and Health Administration (OSHA) and National Institute of Occupational Safety and Health (NIOSH) both recommend an upper limit of 0.10ppm, not to be exceeded for more than eight hours (OSHA) or at any time (NIOSH) (source: Ozone Generators that are Sold as Air Cleaners: An Assessment of Effectiveness and Health Consequences, PDF link).

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Indoor air purifiers are used when air is polluted. Photo 123RF

4. Air Purifier Noise Levels

The gold standard for air purifiers is mechanical filtration, which uses a fan to force air through a HEPA filter to trap particulars, while letting the air flow back out. There are other kinds of air purifiers, but mechanical filtration is proven and cost effective.

However, one by-product of mechanical filtration is noise. If you’re going to be running the air purifier in your bedroom, you won’t want one that sounds like a vacuum cleaner.

A list of common household noises and their decibel levels - such as refrigerator humming, human conversation, coffee machine, vacuum cleaner, busy city traffic, football game, hair dryer - by Hearing Aid Know.

Air purifier decibel ratings

So how do you figure out how loud an air purifier is? While you can listen to it in the store, loudness is relative — what sounds quiet in a crowded mall can sound loud in a quiet bedroom. For a more objective test, check the air purifier’s rated noise levels, measured in decibels (dB or dBA). It’s complicated, but to keep it simple for this post, dB and dBA are roughly equal measurements.

For some perspective, Hearing Aid Know has a list of common noises and their decibel levels. Vacuum cleaners are rated at 80dB, normal conversation at 60dB, and a refrigerator humming at 40dB. The Engineering Toolbox recommends that living rooms have a maximum noise level of 50dBA, and bedrooms a maximum noise level of 30dBA.

You should also know that decibels are measured on a logarithmic scale, which means that the difference between values increase as the values get larger. For example, the difference between 20dB and 10dB is not twice, but four times as loud.

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Close up view of control panel in Floor mounted brown Air conditioner air purifier with HEPA filter. Photo 123RF

5. Air Purifier Brands

HEPA filters clog up over time with the particles they trap, and you’ll need to replace them every once in a while. It does add up to the cost, but that’s the price of running an air purifier.

You don’t want to buy an air purifier, only to have problems finding replacement filters down the road. That’s the reason we’d recommend you buy an air purifier from a known brand, that will likely be around for the long-term and keep selling its filters down the road.

UV, & Carbon air filters

To keep things simple, we’ve listed only the absolute essentials for an air purifier to deal with the haze. To sum up, an effective air purifier must:

  • Have a true HEPA filter
  • Be the right size for the room
  • Produce zero ozone
  • Use a fan that’s quiet enough for the room
  • Be around for the long-term

Other filters are nice-to-haves in comparison. For example, carbon air filters can absorb smoke, odors, chemicals and gas, while ultraviolet light filters can kill bacteria. If you don’t need these features and just want to deal with the harmful PM2.5 particles in the haze, you can skip them.

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How to use air purifiers?

Lastly, air purifiers aren’t miracle machines. If you run it in a room with open doors and windows, it won’t be able to keep up with the amount of air that’s constantly flowing in and out.

1. Air purifiers are best used in air-conditioned or closed rooms

Air-conditioners don’t draw air in from the outside, so the air purifier will have a better chance of cleaning the air inside an air-conditioned room.

2. Keep air purifiers well-ventilated

Place the air purifier in a spot where it has good ventilation, which helps make its job easier. Don’t stuff it into a corner where its fans will be blocked and air can’t escape.

3. Run it wisely

You only need to run the air purifier when you’re in the room, or just before you’re going to use the room. It doesn’t need to be switched on 24/7 when nobody is around.

The air purifier needs some time to do its job, so you can run it half an hour to an hour ahead of time before you use the room, like in the bedroom before you go to sleep.

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Part of this article first appeared in SingSaver, and Hardwarezone.

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