Winix 5500-2 Air Purifier with True HEPA Filter



  • It has a true HEPA filter.
  • It removes 99.97% of all allergens.
  • It contains a Plasma Wave filter to help remove odors.
  • Smart Sensors gauge the air quality and change the filter accordingly.
  • It is extremely silent.


  • The carbon filter should be replaced every 6 months.

The number of potential allergens that appears to pollute hour home just feels as if it is growing on a constant basis. This, in turn, leads to a whole host of issues for those individuals that are sensitive to them leading to a search for the perfect air purifier. This search can often be fraught with difficulty simply because of the range of options that are out there in the marketplace, so it is all too easy to make the wrong choice.

However, we plan on making life easier for you as we simply do not want you to suffer from dust, pollen or anything else that is playing havoc with your health. For that very reason, we have spent some time studying an air purifier that we believe is more than capable of making a huge difference to your air quality. Step forward the Winix 5500-2 Air Purifier complete with a true HEPA filter.

The True HEPA Filter

The true HEPA filter that is contained within the Winix 5500-2 Air Purifier is very, very good at what it is designed to do. This is capable of capturing as much as 99.97% of all dust, pollen, germs, mold, pet dander, and various other airborne pollutants stopping them from entering your body and causing you health problems. This filter can capture things down to as small as 0.3 microns, which is not only impressive, but it will also make a noticeable difference to your overall health.

The Activated Carbon Filter

The first thing to say about the Activated Carbon Filter in this instance is that it’s washable, which is important when you consider that this filter is aimed more at dealing with different odors that tend to spread around the house. This means it can deal with pet odors, cooking, and also cigarette smoke so with it being washable you are not going to have to replace it as often as you would have perhaps otherwise had to do.

The Plasma Wave Filter

This is where the Winix 5500-2 is a bit different to other filters that it is competing with in that it has what is known as a Plasma Wave filter. This is a filter that is permanently incorporated into the air purifier, and it is another way of catching all of those odors so you never have to worry about being plagued with smells at any point ever again.

Other Features of The Unit

The Use of Smart Sensors

This particular model comes with something known as smart sensors, which just helps to push this air purifier onto a whole new level. These sensors are going to judge the quality of the air and whether or not there are high levels of contaminants before then looking at removing them for you. This can prevent the unit from running at a level that is simply not required improving the efficiency of the air purifier.

The Auto Mode and Sleep Mode

The auto mode function on the Winix 5500-2 is another very impressive feature that cannot be ignored. This mode, in conjunction with the smart sensor, is capable of adjusting the speed of the fan so it is then able to filter the air in just the way that is needed. Also, the sleep mode is going to provide you with the perfect night settings to allow the air purifier to still operate without it interrupting your beauty sleep.

4 Fan Speeds

With 4 different fan speeds at your disposal, you will be able to alter the speed at which the air is purified or, alternatively, run the unit at a lower speed in order to maintain the purity of the air. You should also know that the lowest speed is almost silent in nature, which makes it perfect for it to not annoy you or keep you awake at night.

Auto Dim LED

Now, this may not sound like much but it does show how they pay attention to the finer details when designing their air purifiers. The engineers at Winix sought to resolve an issue that they just could not understand, which was the reason as to why the LED light had to remain bright on an air purifier even at night. As a result, they have included technology that senses the ambient light levels in the room which then leads to the LED light being dimmed as a direct result.

The Room Size

This model is perfect for medium and larger sized rooms. The expected maximum space is 360 square feet.

What is Wrong with the Product?

This all sounds rather impressive, but do we feel that there is anything wrong with the Winix 5500-2 Air Purifier? To be honest, the only issue that we have is the way in which the activated carbon filter should be changed every 6 months while the HEPA filter should last a year. However, this is in line with the industry, so it’s not a big deal and is hardly a major negative.


When we weigh up everything that this air purifier has to offer, then we can only conclude that the Winix 5500-2 Air Purifier with True HEPA Filter is an absolute bargain. Yes, it might be slightly larger in size than other models, but its ability to filter the air is second to none. The auto dim feature and sensors to filter the air are also very impressive, and they are simply a sign of how the company seeks to cover every possibility and delivery a quality product.

At the end of the day, this is an air purifier that will remove that dust and other allergens from the air and provide you with cleaner, healthier air to breathe that is not going to annoy or irritate you.

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