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Dyson air purifiers topped the list for quietness, design and value for money. Dyson also rated highly for cleaning and maintenance.
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Air purifiers use filters to remove common pollutants and allergens from the air. They are commonly used by those with allergies and asthma to help reduce the number of irritants in the air.
Check out our review of the Philips Series 3000 Air Purifier
Air purifiers can come with several types of filters and many models include multiple filter types. Not all filters are created equal.
When choosing an air purifier, consider the following factors:
If the purifier is too large for your room, your energy bill will be unnecessarily high. If it's too small, it will be ineffective. Look for one that matches the footprint of the rooms you want to use it in. If you have a large, open space, you might need to get multiple purifiers and place them on opposite ends of the space.
An air purifier that can automatically check the air quality of the room and adjust settings accordingly will allow you to set it and forget it. Otherwise, you'll have to manually adjust the settings throughout the day.
Some air purifiers sound like a loud tower or pedestal fan, while others have a quiet hum similar to a refrigerator. To be the most effective, the air purifier should run all day, so look for a model that's quiet enough not to be a nuisance.
You'll need to replate the filters regularly. Activated carbon filters need to be replaced more often than other filter types (typically around once every three months). Filter prices can range from around $20 up to $200 or more. Consider buying replacement filters when you buy the purifier to avoid additional shipping costs.
Some models include an indicator or light that tells you when you need to replace your filter and can help you avoid using your air purifier while it's not working.
If you plan to keep the air purifier in your bedroom, look for a model with a sleep setting that shuts off any lights and maintains a quiet fan setting while you sleep.
A sensor light can tell you what the air quality is as soon as you enter a room.
Antimicrobial agents can stop mould from growing within the air purifier and extend the life of the filters.
Look for a purifier with multiple, adjustable fan speeds to save energy and avoid unnecessary noise.
Check out our top tips to get the most out of your air purifier:
| Total Score | Overall rating | Value for Money | Cleaning & maintenance | Design | Quietness | |
|---|---|---|---|---|---|---|
| Other | 8.23 | 4.45 | 4.55 | 4.41 | 4.41 | 4.32 |
| Dyson | 8.15 | 4.46 | 4.36 | 4.34 | 4.56 | 4.38 |
| Breville | 7.82 | 4.31 | 4.19 | 4.06 | 4.1 | 4.23 |
| Philips | 7.81 | 4.16 | 4.18 | 4.28 | 4.42 | 4.34 |
| HoMedics | 7.75 | 4.19 | 3.9 | 4.38 | 4.48 | 4.33 |
| Samsung | 7.59 | 4.08 | 4.08 | 4.22 | 4.06 | 4.08 |
| Sharp | 7.4 | 3.92 | 4 | 4.17 | 4.08 | 4.08 |
| Airfree | 7.33 | 4.06 | 4.04 | 3.79 | 4.17 | 3.77 |
| Kogan | 6.88 | 3.71 | 3.97 | 3.74 | 3.89 | 3.71 |
| Cli-Mate | 6.58 | 3.52 | 3.43 | 3.57 | 3.61 | 3.61 |
The HP09 Pure Hot+Cool Formaldehyde is Dyson’s best air purifier, best fan and best heater to date, even if the necessity of its main selling point is debatable.
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The Series 3000 Air Purifier uses HEPA and carbon filters to remove PM2.5 particles, common allergens and bacteria.
