Last price update was: July 18, 2019 6:06 pm
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Winix 5500 True HEPA Air Purifier Plasma Wave & Odor Reducing

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Set Alert for Product: Winix 5500-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing Washable AOC Carbon Filter - $157.89

$249.99 $157.89

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How Safe is the Unit9
Safety Certification9.5
Customer Reviews9.5
Customer Use Convience10
Fiter Replacement Costs7
Last updated on July 18, 2019 6:06 pm
Winix 5500 True HEPA Air Purifier Plasma Wave & Odor Reducing
Winix 5500 True HEPA Air Purifier Plasma Wave & Odor Reducing

$249.99 $157.89

Winix 5500 True HEPA Air Purifier Plasma Wave & Odor Reducing Prices

Price History

Price history for Winix 5500-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing Washable AOC Carbon Filter
Latest updates:
  • $157.89 - June 18, 2019
  • $169.99 - May 11, 2019
  • $161.99 - May 3, 2019
  • $162.63 - April 21, 2019
  • $138.70 - April 11, 2019
  • $162.63 - April 9, 2019
  • $157.89 - March 10, 2019
  • $152.62 - March 5, 2019
Since: January 31, 2019
  • Highest Price: $169.99 - May 11, 2019
  • Lowest Price: $138.70 - April 11, 2019


Winix 5500 True HEPA Air Purifier

  • PlasmaWave acts as a permanent filter to safely break down the odor, allergens, chemical vapors, and other pollutants – with no harmful ozone
  • Smart Sensors gauge the air and our Auto Mode adjusts the fan to filter the air as needed; with a sleep mode for silent night-time operation
  • CADR [Clean Air Delivery Rate] rated for 360 sq. ft. room size. Suitable for medium and large rooms; kids bedrooms, family rooms, and kitchens.

Utilizing our Smart Sensors the 5300-2 consistently monitors the air in your environment. The LED indicator displays the indoor air quality on a scale of good to poor (Blue – Amber – Red). When the unit senses a change in air quality, it automatically adjusts the fan speed to optimally clean the environment.

When the filters need to be replaced, the Filter Replacement Indicator LED will illuminate. After replacing the filters, RESET the Filter Replacement Indicator by using a pin or needle to press the Filter RESET Button.

Our Thoughts – Winix 5500 True HEPA Air Purifier

Winix 5500 True HEPA Air Purifier look and sounds great. It does have almost Amazon 1000 review with an average of 4.5 stars.  4.5 out of 5 stars (4.5 / 5)

However, we could not find out much information about the Plasmawave technology, so we did a little digging.

What is Winix PlasmaWave technology? Here is the best answer we could find:

The Winix PlasmaWave is an ion air purifier that removes dust, pollen, and other particles well in medium-sized rooms. This air purifier uses its proprietary ionizer to electromagnetically charge small particles, making them easier for the filters to capture.  source

Ok, but we kinda don’t like it when we hear ionizer because of problems with ionizers in the past [like 10 years ago].

Is the Winis Plasma Wave technology safe?

The PlasmaWave does have the potential to emit ozone, but the feature can be switched off. Also, Winix does specify that their PlasmaWave technology has been tested and approved by CARB (California Air Resources Board) as being safe. Apr 24, 2018 source

Two important factors on the safety question:

  • CARB in California was one of the first states to ban ion air purifies, so they claim of a safety rating from the CARB is impressive.
  • Secondly, it is possible to turn off the PlasmaWave Technology with the flip of a switch.

Cost of Replacement Filters

The replacement cost for this air purifier is not cheap. In fact, they are expensive by our standards – in the $150 area.

On the more positive side, we do love the

  • Auto fan speed ramp up as needed
  • The filter replacement warning light
  • Remote control
  • CUL Listed
  • Visible Air Quality light
  • Energy Star Certified
  • 360 st ft
  • VOC scrubbing


Our Ion safety concerns have been eased by the California certification and the total lack of complaints on the subject. So we assume the PlasmaWave filtering benefits outweigh the our older concerns.

  • The unit does carry the Amazon Choice Award
  • The average user rating is 4.5 out of 5 stars (4.5 / 5) from over 800 reviews

And this common thread in the reviews…

Testimonial Verified user It works. Eczema cleared up, allergies cleared up…no more glitter in the air on sunny days!

So the only thing we still do not like is the cost of the replacement filter. Although that seems to bother us more than the users.

Our Rating
We will fall in line with the review average of 4.5 out of 5 stars (4.5 / 5)
However, the quest for an air purifier in this range for room size is still on despite the Amazon’s Choice Award.

8.5Expert Score
Winix 5500 True HEPA Air Purifier was put through our tough reviews process and came out just fine. It is a good air purifier for a larger room. Get the scoop!
How Safe is the Unit
Safety Certification
Customer Reviews
Customer Use Convience
Fiter Replacement Costs
  • True HEPA 99.97%
  • Smart Sensors to gage air quality
  • Auto Fan ramp up when needed
  • CADR Saftey Certification
  • Filter Replacement Warning
  • Uses Ionizer technology
  • Replacement Filter costs seem high

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