In this guide we’ll look at the best air purifiers.
We’ve compared coverage area, filtration systems, settings and cost
to give you our top recommendations.

What is the Best Air Purifier?

IMAGE RECOMMENDED PRODUCTSPRODUCT FEATURES
  • Best home air purifier
  • Four-stage filtration system
  • Quiet to run
  • Best smart air purifier
  • Eight modes and settings
  • Allergen mode for pets
  • Best air purifier for pets
  • Automatic fan adjustment
  • Remaining filter life indicator
  • Most stylish air purifier
  • Five different integrated filters
  • Fast and powerful
  • Best air purifier for bedrooms
  • Very energy efficient
  • Integrated soft blue night light

More Detailed Air Purifier Reviews

Alen BreatheSmart Classic P1000 Air Purifier

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  • Best home air purifier
  • Four-stage filtration system
  • Quiet to run
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Alen BreatheSmart Classic P1000 Air Purifier Review

The Alen BreatheSmart Classic P1000 Air Purifier is the best air purifier on the market. This purifier covers up to 102 m² in just 30 minutes. It’s perfect for large bedrooms, kitchens and offices, and especially helpful for those who suffer with allergies.

This purifier boasts intelligent sensor technology, allowing you to assess the quality of the air at a glance. It has a coloured-light system that changes colour as the air is cleaned, and the fan speed can be adjusted automatically to keep the air fresh with no interference.

Finally, this air purifier is whisper quiet, able to freshen the room on even the highest setting without disturbing you. The four-stage filtration system captures 99.9% of the particles in the air, meaning those with sensitivities can breathe and sleep easier!

If you’re looking for the best air purifier for allergies, the Alen BreatheSmart Classic P1000 is the one for you!

Philips Series 3000i Connected Air Purifier

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  • Best smart air purifier
  • Eight modes and settings
  • Allergen mode for pets
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Philips Series 3000i Connected Air Purifier Review

The Philips Series 3000i Connected Air Purifier is the best smart air purifier. Compatible with Amazon Alexa, this contemporary and aesthetic purifier can be voice activated for fuss-free purification!

It comes with an efficient filter that removes up to 99.97% of ultra-fine particles, including allergens, gases, bacteria and viruses.

This air purifier comes with a night time mode so you can sleep undisturbed, and it can be controlled using a smartphone app for added convenience. It covers up to 95 m² and comes with three automatic modes as well as five manual settings.

If you’re looking for the best smart air purifier, the Philips Series 3000i Air Purifier should be top of your list!

Levoit Smart WiFi Air Purifier for Home

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  • Best air purifier for pets
  • Automatic fan adjustment
  • Remaining filter life indicator
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Levoit Smart WiFi Air Purifier for Home Review

The Levoit Smart Wifi Air Purifier is arguably the best air purifier for pets. Designed for smaller rooms, which tend to attract a lot of dust or pet hair, this air purifier is high quality and efficient. It purifies rooms of up to 48 m² using its integrated HEPA filter.

This purifier is extremely easy to use, able to be controlled with the VeSync app which allows you to set a schedule, monitor the air quality and adjust the timer.

It’s compatible with smart devices like Amazon Alexa and Google Assistant, and it can be scheduled to run while you’re out so you can arrive back to a fresh home after work.

With a noise level of just 23 dB, you can enjoy a restful and peaceful indoor environment even when the purifier is running. There are three fan speeds to choose from, and the fan will automatically adjust based on the surrounding air quality.

If you’re looking for the best air purifier for small homes with pets, the Levoit Smart WiFi Air Purifier is our top recommendation!

Levoit Portable Air Purifier for Home

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  • Most stylish air purifier
  • Five different integrated filters
  • Fast and powerful
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Levoit Portable Air Purifier for Home Review

The Pro Breeze Air Purifier for Home is a 5 in 1 air purifier, capturing up to 99.97% of airborne particles, dust, pollen, smoke and odours. You can enjoy a fresher home thanks to the combination of pre-filter, true HEPA filter and carbon filters.

Operating very quietly, this air purifier can be used in bedrooms, living rooms and offices. It comes with built-in timers and an ultra-powerful negative ion generator for an even cleaner environment.

It can be used in rooms of up to 45 m², while the small and minimalist design ensures it suits any home or office.

If you’re looking for a simple, aesthetic and highly effective air purifier, the Pro Breeze 5 in 1 Purifier is the one for you!

Silentnight Air Purifier with HEPA Filter

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  • Best air purifier for bedrooms
  • Very energy efficient
  • Integrated soft blue night light
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Silentnight Air Purifier with HEPA Filter Review

The Silentnight Air Purifier is the best HEPA air purifier for bedrooms. This small and portable air purifier sits neatly on your bedside table to purify the air around you, quietly cleansing the room of airborne allergens.

This purifier has three speed settings to choose from, and the 7.5 W motor is designed for years of use. The energy class rating of A+++ means it’s affordable to run, and it has an exceptionally quiet sleep mode function. It cleans the air at a rate of 80 m per hour.

As well as using the integrated timer, you can choose a running time of two, four or eight hours. It comes with a soft blue night light to help you settle down at the end of the day.

If you’re looking for the best portable air purifier for bedrooms, the Silentnight Air Purifier should be top of your list!

Air Purifier Buyer’s Guide

While windows and doors do a good job of keeping our homes fresh, the reality is that no one wants to have their windows open in the middle of winter! Plus, if you live in a big city, having a window open can be more detrimental to the interior air quality than having it closed.

Fresh air is essential, and homes that are filled with dust, smoke remnants, pet hair and other allergens can be very harmful to those with sensitivities. An air purifier filters out specific pollution in your home, cleaning the air then sending it back into the room.

Not sure what to look for when it comes to the best air purifier for dust, hair and other allergens? Check out this buyer’s guide.

Coverage Area

Your new air purifier will have a set coverage area, usually measured in square metres. If you have a big home with open plan rooms, look for a purifier with a larger coverage area.

If you plan on using your purifier in smaller bedrooms or studies, compact and portable air purifiers are more practical.

Filtration System

An air purifier must have an effective filtration system that reduces the allergens in your home. HEPA or HyperHEPA filters are the most efficient, while HEP-like or HEPASilent filters are suitable for smaller rooms.

Some purifiers will have just one filter, while more expensive models designed for open plan offices may have up to five filters.

Settings

Your air purifier will likely come with a range of modes and settings. Even the most basic purifiers can come with more than one fan speed, and this should be easy to adjust.

Other modes include a sleep mode, where the purifier runs quietly, and an automatic mode, where the purifier will adjust its fan speed and power levels as the air quality improves.

Those with built-in sensors should spring to life as soon as they detect that the air quality has reduced.

Ease of Use

Air purifiers are generally very easy to use.

Those controlled by smartphone apps or voice activation are undoubtedly convenient, but they can be more confusing for technophobes!

Look for an air purifier with a simple display and one that will turn on and off automatically if you are concerned about ease of use.

Some air purifiers are remote controlled, allowing you to switch them off, on and adjust the fan settings from a convenient distance.

Special Features

Special features include auto detection, a night time mode and integrated timers.

Purifiers that can be controlled via smartphone can often be set to run on a schedule. Some air purifiers will let you know when the filter needs replacing.

Air Purifiers FAQ

What is an air purifier and how does it work?

Air purifiers are designed to improve the air quality in your home, removing harmful particles and allergens from the air and then sanitising them.

The integrated filter captures airborne particles using the internal fan. The filters remove harmful particles like dust, pollen and bacteria, then circulate the purified air back into the room.

How to tell if your air purifier is working?

There are a few simple ways to test if your air purifier is working. The first is to check that the fan is working. This should be blowing out clean air.

If you think your air purifier has stopped working, it may be because your filter is damaged or has become very clogged and needs replacing. If your purifier has a filter indicator, check that it’s not alerting you. If there’s no indicator, you can remove the filter and check for discolouration, dirt or black spots.

Finally, investing in an air-quality monitor is a good way to check that your air purifier is working. Keep the windows and doors closed, and monitor the air quality over a period of time with the purifier turned on. Your purifier should bring the air quality down within a few hours.

How to clean an air purifier?

If your purifier has a permanent filter, it can probably be cleaned using warm water.

To start, turn off your air purifier and unplug it from the socket. Clean the filtered air outlet using a brush, then remove the grill and wash your filter using warm water.

Allow it to dry naturally. If your filter cannot be washed, clean it using a vacuum cleaner.

Put your filter back into the machine and replace the front grill, then wipe the outside of the purifier with a cleaning cloth.

Conclusion

An air purifier is a must-have if you suffer with allergies or hay fever. Homes with pets can also benefit hugely from a purifier, as the cleaner air is more pleasant for both family members and guests.

For its contemporary design, large coverage area and quiet operation, the Alen BreatheSmart Classic Air Purifier is our top recommendation for the best air purifier on the market.

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