Dyson Pure Cool Link Air Purifier – Pretty Toy or Brilliant Appliance?

If asked to name a product manufactured by Dyson the chances are many people would say vacuum cleaner.

That’s certainly the answer I would have given until recently.

Dyson is a well-known and respected international brand, commonly associated with vacuum cleaners, but in recent years they’ve also been branching out into new arenas with products such as hair dryers, hand dryers, and now air purifiers.

As a long-time fan of Dyson vacuum cleaners I was keen to see how their new Pure Cool Link Air Purifier shaped up.

The company is renowned for using innovative technology to create products with excellent performance. Is that the case here too, or is there more hype than substance?

Read on for my full review and independent star rating, or if you’re short on time you can click on a link in the table below to take you to the information you’re most interested in.

Dyson’s foray into the air purifier market is more of a logical transition than might appear at first glance.

As founder James Dyson explains on the company’s website:

“As pollution increases, technology must counter it. We began by engineering vacuums that capture pollutants found on floors and surfaces. Now we’ve turned our attention to those in the air.” 

Why Would Anyone Need An Air Purifier Anyway?

The dangers of pollutants in the air we breathe is not in itself a new issue. But much of the research in this area has tended to focus on outdoor air pollution. Now the potential detrimental effects of poor INDOOR air quality on our health are receiving due attention. 

You’d be forgiven for thinking that the air inside your home or workplace contains less pollutants than the air outside.

But in actual fact indoor air can contain up to 5 times more contaminants.

This can have an unseen negative impact on our well-being, especially for people with allergies, asthma and some other underlying medical conditions.

This growing awareness of the importance of good indoor air quality may be behind the recent surge in popularity of air purifiers.

These are devices which work by removing pollutants such as pollen, pet dust and dander, smoke and mold spores from the air inside a room, BEFORE they are inhaled into our lungs.

So clearly, air purifiers have the potential to benefit the living and working environments of many people.

Let’s now take a look specifically at the Dyson Pure Cool Link Air Purifier, and the key features it offers consumers.

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Cooling Fan

Every product needs a unique selling point to set it apart from its competitors.

In the case of the Dyson Pure Cool Link it appears to be marketing itself as not simply a stand-alone air purifier, but also one which comes with the added bonus of a cooling fan.

Most air purifiers perform only one task – cleaning the air. So one which claims to be able to cool you down at the same time can potentially save the consumer money on a separate fan.

Unlike traditional bladed fans which can sometimes buffet and interrupt the flow of air, there are no fast-spinning blades on this unit.  A great plus point if you have young children with inquisitive little fingers!

Instead, Dyson’s trademarked ‘Air Multiplier’ technology amplifies the surrounding air giving a smooth, uninterrupted stream of cool air.

How Effective is the Fan on the Dyson Pure Cool Link Air Purifier?

Now, it’s perhaps significant that Dyson have referred to ‘cool’ rather than ‘cold’ air.

My research has indicated that while many customers online who’ve bought this particular air purifier are very happy with this bonus feature, others have expressed disappointment that the air coming from the purifier is not cold enough to adequately lower the temperature in a room.

Some people feel that the unit doesn’t perform any better than a conventional fan and is not on a par with an actual air conditioning unit.

I think maybe the marketing has perhaps given some people an unrealistic expectation of the cooling power of the Pure Cool Link. 

I think first and foremost this product is an air purifier, and the cooling feature is secondary. But others may expect it to operate in the same way as an air conditioning unit, with the air purification as the added bonus.

I came across a response from Dyson’s Customer Services to a complaint that the unit doesn’t provide cold enough air.

They state that their Air Multiplier products are designed to cool a PERSON rather than a room, and that they’re not air conditioning units as they don’t have a cooling element, nor do they reduce the air temperature.

They go on to say that the cooling effect from the fan occurs as speed of the airflow comes into contact with a person’s skin, in the same way as a conventional fan.

So I guess if you live in an especially hot climate and you need something that has really strong cooling power, then this is not the unit for you – you’d be better off with a separate air purifier and air conditioning unit.

I personally still think it’s quite a useful feature, but for me the #1 priority when choosing an air purifier is to make sure that it can adequately remove pollutants from the air.

Let’s take a look next at how effectively the Dyson Pure Cool Link does this.

360 Degree Glass HEPA Filter with Tris-Coated Activated Graphite

As we discovered earlier, an air purifier removes contaminated airborne particles by capturing them within a filter contained inside the unit.

Not all filters are created equally, and if you want something which can effectively get rid of pretty much everything then you should go for an air purifier which has a specific HEPA filter.

That’s because the holes in a HEPA filter are smaller than those in a standard filter and so they can capture even the tiniest of particles such as smoke, bacteria and some viruses.

Our Complete Buyers Guide to Domestic Air Purifiers has more information on different particle sizes if you’re interested in reading more about this.

The Dyson Pure Cool Link Air Purifier comes with a 360-degree glass HEPA filter with Tris-coated activated graphite. All sounds very impressive, but what does this actually mean?!

Firstly, Dyson claim that their HEPA filter can capture 99.95% of pollutants and allergens as small as 0.1 microns in size – that’s roughly 100 times smaller than a human hair.

Secondly, the 360 degree design of the filter means that it’s been engineered to pull in contaminated air from every angle.  So it’s pretty well-equipped to capture any nasties lurking in your air.

The Important Role of the Tris-Coated Activated Graphite

Graphite is typically used in some filters to absorb unpleasant odours such as cooking and pet smells.

The filter in the Dyson Pure Cool Link has been engineered using a dense layer of graphite crystals and then treated with oxygen to make it more porous.

By doing this it increases the carbon’s surface area, further helping to trap smells, domestic fumes and some gases in a manner similar to a sponge soaking up water.

After being treated with oxygen each graphite crystal is then coated with something called Tris.

This is an organic compound whose chemical reaction with potentially harmful gases like formaldehyde increases the graphite’s ability to capture these gases by up to 70%. (1)

In case you’re wondering how formaldehyde gases would ever be given off inside your home, you might be surprised to learn that it’s used in a number of building materials such as plywood, fibreboard, some types of insulation, as well as glues and adhesives. It’s also used to produce many common household products.

Sure, Dyson are not the only manufacturers to use activated carbon in their filters, but I think the addition of the Tris-coating does give it an advantage over some of its competitors and instills confidence that it’s getting rid of as many pollutants and toxins as possible for this kind of device.

How Much Do Replacement Filters for the Pure Cool Air Link Cost?

Now, it’s worth pointing out at this stage that filters do need to be replaced in the future, and it’s prudent before you make any purchase to have an idea of at what intervals and at what cost.

At the time of writing (August 2017) replacement HEPA filters for the Dyson Cool Link are retailing for around $100 upwards.

Dyson anticipate that the unit can be run for 24 hours a day for 6 months before the filter needs to be replaced, although some customers online have suggested their filters will last for closer to a year before they’ll need to be replaced.

Taking the manufacturer’s recommendation of 6 months, that works out at approximately 55 cents a day.

There will of course also be electricity costs involved but even so I think it’s a pretty reasonable price to pay for a constant supply of clean indoor air.

Still on the subject of filters, there’s also an app with this model which tells you when the filter needs changed (more on the app shortly). And unlike many other models I’ve reviewed there’s no need to wash the filters in between changes.

So, we’ve devoted a bit of time to looking at the filter as for me it’s the most important consideration when selecting the right air purifier for your needs.

But let’s now take a look at some of the other features and technologies that come with the Pure Cool Link Air Purifier.

Auto Mode

In auto mode a sensor monitors the amount of pollutants in the air and reacts accordingly.

So, the unit will kick into action when higher levels of contaminants are detected and then switch to a lower setting or off when the air is clean again – better for both the environment and your purse.

The Compatible App – Can Be Used With Amazon Alexa

As mentioned above, there is an app which can be used in conjunction with this particular air purifier should you so wish.

You can have live reports of both indoor and outdoor air quality sent straight through to your smartphone and control your unit remotely from a location away from your home.

The app is also compatible with Amazon Alexa – a neat feature if you’re into techy features.

7 Day Scheduling

There’s also a 7-day scheduling feature which allows you to select when you want your air purifier to come on and switch off – again a useful way of saving on energy consumption and costs.

Sleep Timer and Night-Time Mode 

The Dyson Pure Cool Link air purifier also comes with a sleep timer so you can program the unit to go off once you’re asleep.

Or if you prefer to still run the unit while you’re sleeping, the night-time mode ensures that the unit will continue to operate using the quietest air flow setting – especially handy if you’re a light sleeper and easily disturbed.

Voice Control

Voice recognition technology has moved forward leaps and bounds over the last few years and Dyson is taking full advantage of this by integrating voice control into this new range of air purifiers.

You can give simple spoken instructions to control your device – for example ‘increase air flow’ or ‘turn on quiet mode’ and the unit will make the changes for you.

This means you won’t even need the remote to control many of the units features.

Magnetised Remote Control

Talking about the remote control for the Pure Cool Link, it’s curved and magnetised so that it stores neatly on the machine – a clever little trick I really like that helps to stop it from being lost or misplaced as it has a designated home.

I’ve lost count of the number of things my kids have put ‘in a safe place’, never to be seen again, so anything that helps to prevent the remote from going missing is a big plus in my book!

Compact Footprint

When it comes to aesthetics, the Dyson Pure Cool Link Air Purifier is in my opinion quite a sleek and futuristic-looking affair.

The 360 degree filter is located in the bottom of the unit, while the fan takes up the top two-thirds or so of the total unit.

The fan is oblong shaped, hollowed out in the middle. The unit is available in white/silver or blue

Some other models I’ve reviewed have been quite plain and a little more inconspicuous. Rather than trying to blend this unit in with your existing decor I’d make it more of a statement piece.

That said, it does have a relatively compact footprint and stands comfortably on an A4 sized piece of paper, making it easy to position even in small rooms.

Despite being a little taller than some other air purifiers it’s also fairly lightweight, weighing in at 3.2kg. Height is 1018mm, width 190mm and length 110mm.

Please bear in mind though that it’s not fitted with castors so if you plan to move it from room to room you’ll need to be prepared to lift it.

Why the Dyson Pure Cool Air Link May Be a Good Choice If You Suffer From Allergies or Asthma

Over the course of my research into indoor air quality and air purifiers I’ve come across many reviews from asthma and allergy sufferers who believe that air purifiers have been helpful in reducing or eliminating their symptoms.

Many manufacturers will claim their products are beneficial for such people but it’s good to have some independent and unbiased confirmation of this.

The Asthma and Allergy Foundation of America, in conjunction with Allergy Standards Limited, created the Asthma and Allergy Friendly™ Certification Program and award a certification mark to products which have passed their strict standards of testing.

Happily for Dyson the Pure Cool Link Air Purifier has been awarded this status, making it a good choice for customers who are interested in this particular area.

How Much Does the Dyson Pure Cool Link Cost?

Having looked at the main features of the Pure Cool Link let’s now turn our attention to the costs and any warranties.

Dyson have packed a lot of clever technology into their product and as you’d expect that’s reflected in the price tag.

At the time of writing I can find units retailing online for $499, so it’s definitely at the upper end of the scale for air purifiers.

But then again, there’s the old saying that you get what you pay for, and unlike some other lower-priced brands this unit comes with a superior filter, a cooling fan and compatible app technology so it’s perhaps to be expected that it costs a bit more.

I should point out that the price above, and indeed all the information in this review, relates to the Tower version of the Pure Cool Air Link purifier.

There is also a smaller desk version available which appears to retail for less but a full review of that model is still to come.

What Warranty is Available With This Unit?

In terms of warranties, the new models come with a 2 year warranty on parts and labour (excluding the filter).

If you do purchase one of these units please be mindful to check if there are any specific conditions you need to satisfy in order for the warranty to be valid, such registering online or replacing the filter at certain intervals.

Let’s wrap up this review now with a look at some customer feedback, my own pros and cons, and my independent verdict on the Dyson Pure Cool Link Air Purifier.

Customer Feedback


Here’s a small selection of some recent comments I found online for the Dyson Pure Cool Link: 

“On low the sound is undetectable”

Allergy sufferer no more…no big impact to my energy bill…don’t hesitate if you’ve been waiting to buy”

“Good at detecting irritations in the air, e.g. smoke from cooking”

Impressed at how much the air quality has improved

“Looks fantastic and takes up very little floor space…bit pricey but worth every penny”

“Not for a location with children, easy to knock over and damage”

“Fan isn’t that powerful when it comes to keeping you cool in the summer”

My Final Verdict

Before making any big purchases it’s always a good idea to read up on potential products to arm yourself with more facts, and I hope this article has given you a bit more information to help you decide if this unit is the right air purifier for you.

In my opinion the enhanced filtration offered by the Pure Cool Link means it offers superior air cleaning power and can eradicate even the most microscopic of particles, be it dust, pet dander, pollen, mold spores, bacteria and smoke.

There are many testimonials online from satisfied customers who believe that their allergies have completely disappeared or been greatly reduced through use of the Pure Cool Link.

That said, I’m not sure if that in itself is enough to justify the higher price tag and that’s where we have to look to see what else the Dyson Pure Cool Link Air Purifier can offer that its competitors can’t.

Undoubtedly the linked app is a big selling point, and fans of cutting-edge technology will probably be impressed by the ability to review and control many aspects of the purifier’s operation remotely.

The app makes it very easy to operate the unit on the right settings and at the right times, even when you’re not at home, thereby saving on your energy bills and helping you to be a bit more environmentally-conscious.

For me the extra cost is offset somewhat by the added bonus of a fan.

It saves you the expense of having to buy a separate stand-alone fan, and judging by many customer reviews is strong enough to provide sufficient cooling power, unless you happen to live in a particularly hot climate.

This fan feature is also very useful in smaller rooms or apartments where the floor space is limited as you don’t need 2 appliances taking up space.

If, on the other hand, you want something that can offer relief in extreme temperatures then this is not the air purifier for you.  I think your money would be better spent on a cheaper air purifier and a separate air conditioning unit.

Also, if you prefer to operate the unit manually and think that the app technology would be superfluous to your own requirements, then again I would recommend a more basic model (albeit still with a HEPA filter).

Overall, I personally think it’s an exciting offering from Dyson, full of innovative features that we’ve come to expect from this brand.

I award the Dyson Pure Cool Link Air Purifier 4.5 out of 5 stars

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(1) Tested to EN1822. Gaseous capture rates vary – https://www.dyson.co.uk/purifiers/dyson-pure-cool-link-technology.html

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