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Welcome to our selection of Australia’s best air purifiers. Find your ideal HEPA air purifier here then buy direct from our trusted partner retailers for Australia wide delivery.
The best of the best – these air purifiers are great all rounders suitable for a wide range of air purification scenarios.
HEPA filters are a must have feature for any air purifier Australia consumers purchase. These are our top 2 picks.
Air purifiers are electronic devices that aim to clean the air in a room. They work by drawing in polluted air and running it through a series of filters that remove contaminants. For example, you can use air purifiers to remove dust, pollen, mould spores, pet hair, and smoke particles from the air in indoor spaces.
You will be pleased to discover that there are plenty of different air purifiers available to purchase today, but we realise that choosing the right one for your specific needs can be daunting. But don’t fret; this comprehensive guide will help you understand the different types of air purifiers and how to choose the most suitable device for your home.
There are several main air purifier types:
HEPA is an acronym for ‘high efficieny particular air (filter)’. Air purifiers featuring a HEPA filter can theoretically remove 99.97% of all airborne particles to a minimum size of 0.3 microns. For context, 0.3 microns is 0.0003 millimetres!
HEPA filters are typically made from extremely fine strands of plastic or fibreglass woven together. The openings between these strands are less than 0.5 microns in size – large enough to allow air to pass through whilst capturing all airborne contaminants via direct impaction, diffusion and interception.
HEPA filtration can be incorporated into a hepa room air cleaner with other types of filters including charcoal, UV filters, carbon and ionisation to provide maximum removal of and protection from microscopic allergen, smoke, bacteria, viral and other particles.
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Any of the HEPA Air Purifiers featured at the top of this page will be suitable for any Australians wanting cleaner, fresher air in their home – however, with so many variables at play such as room size, existing air quality, the number of people in the room and more – it’s not possible to give a one size fits all recommendation. Here’s what we recommend you look out for when choosing between the HEPA air purifiers listed on this page.
When shopping for a HEPA air purifier, it’s important to consider a few key factors to ensure you choose the right model for your needs.
The size of the room where you plan to use the purifier is one of the most important considerations. Air purifiers are rated for specific room sizes, so be sure to choose one that is capable of handling the square meterage of your space. If you’re using the purifier in a large living room or open-plan area, you’ll need a more powerful model. For smaller bedrooms or home offices, a compact purifier will do the job.
If you suffer from allergies, asthma, or other respiratory conditions, you’ll want to choose a purifier that offers advanced filtration capabilities. Look for models with HEPA filters designed to capture allergens and other fine particles. Some models also feature additional filtration layers, such as antimicrobial filters or UV-C light, which can help eliminate bacteria and viruses.
Many modern HEPA air purifiers come with extra features that can enhance their functionality. For example, some models include air quality sensors that automatically adjust the purifier’s settings based on the current air quality. Others offer smart connectivity, allowing you to control the purifier remotely via a smartphone app. If you’re concerned about odours, look for a model with an activated carbon filter to help neutralise smells.
If you’re planning to use the air purifier in an office, bedroom or living room, it’s important to choose a model with a low noise level. Many air purifiers feature multiple fan speeds, allowing you to select a quieter setting for nighttime use. Be sure to check the decibel rating of the purifier before purchasing to ensure it won’t be too loud for your space.
HEPA filters are made from a dense web of fibres, often composed of fibreglass or other similar materials. These fibres are arranged in a maze-like pattern, allowing air to pass through while trapping particles. The effectiveness of a HEPA filter lies in its ability to capture a wide range of particle sizes. Larger particles like dust and pollen are captured as they hit the fibres, while smaller particles are trapped through a process called diffusion, where they collide with gas molecules and are drawn into the fibres.
HEPA filters are especially effective at capturing ultra-fine particles, such as those that can carry bacteria and viruses. This makes HEPA air purifiers a crucial tool for maintaining a healthy home, particularly for people with respiratory conditions like asthma or for those living in areas with poor air quality due to pollution or wildfires.
For people with allergies, the presence of pollen, dust, pet dander, and other allergens in the air can be a constant source of discomfort. HEPA air purifiers are specifically designed to capture these allergens, reducing their presence in the air and helping to alleviate symptoms like sneezing, coughing, and itchy eyes. By trapping allergens before they can settle on surfaces or be inhaled, a HEPA air purifier can make a noticeable difference in your overall comfort.
Even if you don’t suffer from allergies, improving the quality of the air you breathe can have significant health benefits. HEPA air purifiers remove pollutants such as smoke, mould spores, and fine dust particles from the air, creating a cleaner and more pleasant environment. This is especially important in urban areas or regions affected by bushfires, where air quality can be compromised.
One of the most impressive features of HEPA filters is their ability to trap ultra-fine particles that other types of filters might miss. Particles as small as 0.3 microns are no match for a HEPA filter, which means that your purifier is capturing even the smallest pollutants, including some bacteria and viruses. This makes HEPA air purifiers a valuable tool for protecting your health, particularly during cold and flu season.
While HEPA filters are primarily designed to capture particles, many HEPA air purifiers also include additional filters, such as activated carbon filters, to help remove smells / odours. Whether you’re dealing with lingering cooking smells, pet odours, or smoke, a HEPA air purifier can help neutralise unpleasant scents, leaving your home smelling fresher and cleaner.
Modern HEPA air purifiers are designed to be energy efficient, meaning you can leave them running throughout the day without worrying about a spike in your electricity bill. Many models feature energy-saving modes that adjust the fan speed based on the air quality, ensuring that the purifier only works as hard as it needs to.
Activated carbon filters are made of tiny pores that are highly absorbent, meaning they capture pollutants such as chemical emissions, odours and gases. While activated carbon air purifiers do remove pollutants and contaminants from the air, they are not as effective as other air purifier types, such as purifiers with HEPA filters. Learn more about activated carbon air purifiers.
UV air purifiers capture air and pass it through a filter into a chamber, where it becomes exposed to UV light. The UV light purifies the air, which is rereleased into the room. While they are typically quieter than other air purifier types, they are best used in conjunction with HEPA filters. Additionally, UV air purifiers without HEPA filters are not as effective at collecting dust and smoke, so if you’re planning to purchase a purifier to remove these pollutants, you’re better off choosing a HEPA purifier. Learn more about UV air purifiers.
Negative ion air purifiers create a static charge around airborne contaminants. Once these contaminants are charged with static, they stick to the nearest surface rather than float around in the air. While negative ion air purifiers are beneficial, they do not completely remove contaminants from your space, as you’ll have to dispose of the dust, dirt and contaminants yourself. Instead, consider purchasing a HEPA or carbon-activated air purifier to remove contaminants from your space with no cleanup.
An air purifier thoroughly cleans the air in your home living room, bedroom or office by collecting and isolating airborne particles inside the device, such as dust, pollen, and pet hair, and removing them from the air. This can help improve indoor air quality, which makes your home more comfortable for those with allergies or respiratory conditions.
There are many excellent air purifiers on the market today, including HEPA air purifiers activated carbon, UV and negative ion purifiers, so you must take the time to choose a purifier that is right for your specific needs. Some key factors for you to carefully consider before purchasing a purifier include the size of your home, the type of pollutants that must be removed from the air, and your budget.
If your goal is to improve indoor air quality, an air purifier is worth the investment. Removing airborne particles from the air can help you to breathe easier and feel more comfortable in your home.
Air purifiers draw in dirty air and filter it through a series of filters to remove contaminants from the environment. Then the filtered air is then released back into the room, leaving the space feeling cleaner and more breathable. Air purifiers remove bad smells, bacteria and viruses, allergens, dust and smoke.
Air purifiers are great at removing airborne particles and pollutants, but certain types can also effectively remove certain types of bad smells. Odours from cooking, pets, and even strong cleaning chemicals can be eliminated with the right air purifier. So if you’re looking to remove specific odours from your home look out for an air purifier featuring activated carbon filtering.
Air purifiers with high CADR ratings can remove viruses from the air. Most people catch the virus through airborne particles circulating indoors, and affordable air purifiers have been shown to clear potentially infectious airborne germs and viruses. For example, during the second COVID-19 wave, a hospital in Melbourne installed HEPA air purifiers in cubicles and waiting rooms alongside personal ventilation hoods to filter air close to COVID-19-positive patients to help protect staff members.
An air purifier is particularly beneficial if room ventilation is poor because they remove some virus particles from the air. However, to ensure air is properly refreshed, it’s best to open windows and doors for a time to allow fresh airflow, as purifiers on their own aren’t enough to prevent COVID-19 virus transmission. Learn more about air purifiers and Covid-19.
Yes, certain types of air purifiers are considered to be effective at removing allergens. So if anyone in your household has nasty allergies to pollen, animal dander and dust mites, you may think purchasing a high-quality air purifier is the solution. The good news is that air purifiers help remove allergens from the air, reducing uncomfortable allergy symptoms, including a sore throat, runny nose, coughing and breathlessness. For example, people with dust allergies will find air purifiers useful as they are proven to be effective at removing microscopic dust mites from the air.
However, choosing the most suitable air purifier for your needs is essential, as some are better at removing certain allergen types than others. For example, if you’re purchasing an air purifier to reduce allergens in the air, we recommend a HEPA purifier. It’s important to note that once you find a suitable air purifier, you should clean it regularly so it stays in good working order. Learn more about how air purifiers for allergies.
Yes, air purifiers do reduce the amount of dust and dust mites in your home. Dust is a common pollutant that you’ll find in all indoor spaces. It can come from various sources, including skin cells, clothing fibres, hair, dust mites, bacteria, dead bugs, pollen, microscopic plastics and soil particles. Unfortunately, dust builds up surprisingly quickly, so it can be hard to keep up with cleaning. For this reason, people turn to air purifiers—they can help reduce the amount of dust in your home, and they can also help to remove other airborne contaminants. Learn more about air purifiers for dust.
Some concerns have been raised about possible shedding of microscopic fibres from HEPA air purifiers filters into the air that we breathe. However, an in-depth scientific study found that whilst a miniscule amount of particles can be shed from HEPA air purifier filters, this was at an amount 35 times less than the air we breathe everyday.
The lifespan of your HEPA filter will depend on a number of factors including usage amount and air pollution levels. Most manufacturers will provide recommended lifespans for their HEPA filters based on their own testing.
HEPA air purifiers have been shown to be effective in removing 99% of aerosols from a single room of a hospital ward within 5.5 minutes. Beyond respiratory aerosols and bacteria, HEPA air purifiers are also considered to be effective for the removal of dust, pollens, mould spores, smoke and other allergens.
Typically, mould spores are 3 to 40 mircons in size (0.003 to 0.04 millimetres) – HEPA air purifiers are effective in capturing particles down to 0.3 microns – meaning they are able to remove airborne mould spores.
HEPA air purifiers alone aren’t effective in removing odours, gases or chemicals from the air.
CADR or Clean Air Delivery Rate is an important metric used to evaluate and compare the performance of air purifiers. It measures the effectiveness of an air purifier in removing particles like dust, pollen, smoke etc from the air and is expressed in cubic meters per hour (m3/hr).
When buying an air purifier for offices or home online in Australia, you should look at the CADR ratings as it gives an indication of how quickly the purifier can clean the air. The higher the CADR, the faster the unit can filter and exchange air in the given room size.
CADR ratings are evaluated based on three particle types – pollen, dust and smoke. So you will see three CADR numbers on an air purifier for each of these particles respectively. The higher the CADR number, the faster the air cleaner works to remove that particular particle from the air.
When deciding on an air purifier, you need to match the CADR rating to the size of your room. You want a unit with a CADR rating that is 2/3rds the area of your room. For example, if you have a 150 square meter room, look for a purifier with a CADR of at least 100 m3/hr. This ensures the unit can effectively clean the entire volume of air in that room size.
Some key things to look for in the CADR ratings when shopping online:
High smoke CADR if you want an air purifier to remove cigarette smoke, cooking fumes etc.
High pollen CADR for removing allergens if you want the best air purifier for hayfever or air purifier for asthmatics.
Dust CADR is important for eliminating dust mites and pet dander.
Make sure the CADR matches your room size.
Checking the CADR along with air changes per hour and other features will help you choose the right air purifier to effectively improve indoor air quality. A unit with a high CADR rating provides faster air cleaning for your needs.
While air purifiers are certainly useful for improving indoor air quality, it’s important to be aware of their limitations as well. No air purifier can remove 100% of allergens and pollutants from a room. Their filtration and cleaning power is limited by the size of the space being treated. Larger rooms require higher capacity purifiers in order to effectively cleanse the entire air volume within a reasonable timeframe.
Air purifiers also do nothing to remove pollutant sources. If triggers like smoke, dander or volatile organic compounds are actively being introduced into a room, no purifier alone can fully overcome this ongoing contamination. They are designed for maintenance of clean air rather than acting as a solution in heavily polluted environments. Air purifiers also have no impact outside of the immediate area they are treating. Adjacent rooms and common living areas will require their own air cleaning units.
Maintenance is also crucial for ongoing optimal performance. Filters need regular replacement according to manufacturer guidelines in order to retain their designed efficiency. Neglected units with expired filters provide only minimal air cleaning benefits. Portability is likewise limited as most purifiers are not designed for active transport and use. Their cleaning powers are constrained to stationary operation within a defined local area.
