From Dyson to Xiaomi, here are five of the best HEPA air purifiers for your home

Colds, flus and other viruses can happen easily inside a home when airflow is restricted, allowing air-borne bacteria and viruses to circulate indoors. The best air purifiers on the market are the ones that feature a High Efficiency Particulate Air (HEPA) filter, which is 99.97% efficient at removing particles that are no more than 0.3 microns in diameter, including deadly particulates such as PM 2.5 and PM 0.5. 

One important thing to note is that even the best HEPA filter will not kill viruses, as viruses are submicron in size which makes them too small to catch. However, an air purifier with a HEPA filter is able to eliminate harmful airborne microorganisms, as well as allergens such as dust and pollen from the air. To help you breathe safer and healthier at home, we’ve selected five HEPA air purifiers that will keep the indoor air clean.

See also: 5 Best Personal Air Purifiers In Hong Kong

1/5 Dyson Pure Cool Purifying Tower Fan

Photo: Courtesy of Dyson

Dyson has long been championing household appliance technology, and this purifying fan is no exception. The Dyson Pure Cool Fans are available in two sizes: a tower and a smaller desk size. Both are able to sense pollutants in real time and report air quality levels to the Dyson Link app. 

Inside the fan is a 360 ̊ Glass HEPA filter that captures 99.95% of microscopic allergens and pollutants as small as 0.1 microns, complete with a carbon filter that removes odour and harmful toxins like paint fumes. The filters should be replaced regularly and can be purchased separately. 

Price: HK$4,480 to HK$5,480

Available at dyson.hk

2/5 Smart Air The Sqair

Photo: Courtesy of Smart Air

If you haven’t heard of Smart Air, you’d be dumbfounded to know that the founder of this air purifier was inspired by a DIY air filter that he made using only a fan and a HEPA filter, which was able to reduce indoor levels of dangerous pollutants such as PM 0.5 and PM 2.5 by 84 percent and 92 percent respectively. 

The Sqair is a stylish upgrade to the DIY device, which gives the same results and is noticeably quieter than major purifiers on the market.

Price: HK$730

Available at smartairfilters.com

3/5 Alen BreatheSmart air purifier

Photo: Courtesy of Alen

Ideal for those with a big home, the Alen BreatheSmart air purifier can clean up to 1,100 sq. ft., leaving you fresh, pure air in just under two hours. The device can detect air pollutant levels in the room to adjust its cleaning power to achieve the best air quality while maximising filter life and saving energy. 

The device comes with not one, but four HEPA filters that can be used interchangeably based on your needs, whether you want to get rid of dust and allergens, mold and germs, smoke and VOCs or pet and diaper odours. Whichever you choose, the HEPA filtration is claimed to remove 99 percent of airborne particles as small as 0.3 microns.

Price: HK$8,380 

Available at renaud.hk

4/5 Philips AC 4558

Photo: Courtesy of Philips

Philips is a household name for quality air purifiers for good reason. If you find it difficult to tell how clean the air is, this air purifier is installed with a smart sensor that detects even the slightest change in air and provides real-time feedback of your indoor air quality with a PM2.5 numerical display. It also has a colour ring feature that gives an additional visual cue, ranging from blue (good) to red (poor) to indicate the air quality. 

Another appeal of this product is the ability to control the fan speed and check the filter remotely using an app, which is a convenient function for anyone who is into smart home technology.

Price: HK$4,988

Available at fortress.com.hk

5/5 Mi Air Purifier 2H

Photo: Courtesy of Xiaomi

Compact enough to fit on your shelf but powerful enough to remove 99.97 percent of particulate matter down to 0.3 microns, from dust, pollen to PM 2.5 and PM 0.3-0.5, this air purifier from Xiaomi is an excellent entry-level choice. 

The True HEPA filter has a cylindrical shape that takes in air from every direction and is layered with an activated coconut carbon filter that captures odour. Also, you can sleep soundly knowing the air purifier is working to clean the air without filling your room with noise.  

Available at mi.com

See also: The Most Instagrammable Hotel Bathrooms In Hong Kong

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