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Tel06c 14.6K Views
Mar 25, 2026 12:44 PM

Winix 3-Stage True HEPA Air Purifier w/ PlasmaWave Technology

$110

$155

29% off
+ Free S&Hat Winix
Get Deal at Winix

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Deal Details
Winix has Winix 3-Stage True HEPA Air Purifier w/ PlasmaWave Technology on sale for $109.99. Shipping is free.

Thanks to community member Tel06c for finding this deal

Note, discount will be shown when added to cart.

Editor's Notes

Written by megakimcheelove | Staff
  • Price Research
    • At the time of research, this product is $45 lower (29.03% savings) normally priced for $154.99 (as part of Winix Spring Sale sitewide)
  • About the Deal
    • The Winix C535 offers true HEPA filter that captures 99.99% of airborne allergens including pollen, dust, smoke, pet dander and other ultrafine particles (as small as 0.003 microns) w/ PlasmaWave Air cleaning technology
    • Recommended for medium size rooms (up to 1776 sq. ft
    • Offer valid while promotional price/supplies last
  • Additional Details
    • Product is eligible for hassle free returns w/ purchase

Original Post

Written by Tel06c
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Winix has Winix 3-Stage True HEPA Air Purifier w/ PlasmaWave Technology on sale for $109.99. Shipping is free.

Thanks to community member Tel06c for finding this deal

Note, discount will be shown when added to cart.

Editor's Notes

Written by megakimcheelove | Staff
  • Price Research
    • At the time of research, this product is $45 lower (29.03% savings) normally priced for $154.99 (as part of Winix Spring Sale sitewide)
  • About the Deal
    • The Winix C535 offers true HEPA filter that captures 99.99% of airborne allergens including pollen, dust, smoke, pet dander and other ultrafine particles (as small as 0.003 microns) w/ PlasmaWave Air cleaning technology
    • Recommended for medium size rooms (up to 1776 sq. ft
    • Offer valid while promotional price/supplies last
  • Additional Details
    • Product is eligible for hassle free returns w/ purchase

Original Post

Written by Tel06c

Community Voting

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Top Comments

Community Reviews

The Winix C535 is a long running True HEPA purifier that stands out for durability, strong filtration, and simple operation. The prefilter catches a lot of dust and helps protect the HEPA, and the larger Filter A cartridges are said to last well and often go on sale. The C535 also avoids the C545 WiFi feature, which is described as unnecessary, while matching it on air cleaning, noise, and power use. The main cautions are filter compatibility, since C535 and C545 filters are not interchangeable, and some units can develop motor noise after years of heavy use. A solid pick if you want a proven, no frills purifier with the right filters on hand.

  • people who want a Winix that can run almost 24/7 for years because one buyer says their C535 has been running nearly 24x7 for 7+ years and is still working perfectly.

  • homeowners who already know they need "Filter A" for the C535 because commenters say C535 uses Filter A/21 and the filters are not interchangeable with other models, so matching the correct filter type by model matters.

  • buyers who plan to keep replacing filters long-term because multiple commenters report genuine Filter A for the C535 often goes on sale ($20-$30 for about a year supply), while other Winix filter types don't see the same sale frequency.

  • people who don't care about Wi‑Fi smart features because commenters say the C535's performance/noise/power are essentially the same as the C545, and they specifically call the C545 Wi‑Fi unreliable/useless.

  • renters or DIY-minded users who want a purifier with a prefilter that helps protect the HEPA because one commenter prefers it to their Corsi boxes since the prefilter catches a lot and helps protect the HEPA.

  • buyers comparing this to Costco bundles because one commenter says Costco previously had the C535 on sale for $99 with two sets of filters, while this package includes only one set, so it may not be the best value versus that prior deal.

  • people who want to buy refurbished only if it's in great condition because a commenter says the refurb option's condition is "fair" and recommends spending the extra $35 for a new unit instead.

  • buyers who need a purifier that will be quiet indefinitely if they run it 24/7 because commenters report the motor can start squealing after a couple of years and becomes annoying enough to require replacement.

  • people who are sensitive to early reliability issues because one commenter says a related Winix model (5510) had issues since day 1 with an annoying noise, making them cautious about similar units.

  • buyers who want to avoid any risk of motor-bearing wear over time because a commenter reports a common issue on older Winix models where motor ball bearings can wear out and develop a grinding sound after several years.

Common Questions (6)

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32 Comments

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Apr 2, 2026 2:47 AM
1.2K Comments
Joined Feb 2007
dave388Apr 2, 2026 2:47 AM
1.2K Comments
Quote from chinoy View quoted comment :
Is the C535 better than the 5510?
Bought 5510, has issues since day 1. Making an annoying noise.
Apr 3, 2026 2:13 PM
159 Comments
Joined Nov 2021
paregoricApr 3, 2026 2:13 PM
159 Comments
Quote from jockobot View quoted comment :
I have 3 of these....great units. When purchased new they come with extra filters just fyi not sure if that's the case for refurb. Prefer to my corsi boxes as the prefilter catches a lot and protects the HEPA
Not saying you aren't, but use a 4" for the DIY one. they perform better and last way longer than 2" or 1". I've done testing on them professionally, and unless you're using it for construction project filtering, the 4" high-MERV filters can generally run 24-7 for a year or more and still have a very high capture efficiency. People just see them gray or brown and think they're done.

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