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Costco Members: Winix True HEPA 4 Stage Air Purifier w/ Wi-Fi & Extra Filter EXPIRED

$100
$129.99
+ $4 S/H
+264 Deal Score
160,565 Views
Costco Warehouse has for its Members: Winix True HEPA 4 Stage Air Purifier (C545) w/ Wi-Fi & Extra Filter on sale for $99.99. Shipping is $3.99 (you may visit any participating Costco retailers to save on shipping if available)

Thanks to community member 14deals for finding this deal.

Note: Must be logged into your Costco account w/ an active Costco Membership to purchase. Availability for store pickup may vary by location.

Features:
  • Includes a two-year supply of filters: 2 True HEPA Filters & 8 Carbon Odor Eliminating Filters
  • Clean Air Delivery Rate (CADR): 232 Standard Cubic Foot per Minute
  • AHAM verified room size of 360 sq. ft. Suitable for medium to large size living spaces
  • WiFi Enabled and Winix Smart compatibility allows user to monitor indoor and outdoor air quality, set timers, schedule and also acts as a remote
  • Washable Pre-Filter extends the life of your filter by capturing larger airborne particles
  • Carbon Filter captures pet odors as well as smoke, kitchen, and other household odors.
  • Air Quality Visual Indicator displays air quality in the room with LED lights
  • Auto-Mode utilizes smart sensors to automatically adjust the fan speed
  • Energy Star Certified
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Original Post

Written by
Edited March 30, 2021 at 06:28 PM by
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Frontpage Deal
$39.90
+ Free Shipping
99 59
Frontpage Deal
Frontpage Deal
See Thread for Pricing
(valid through May 16)
120 214
Frontpage Deal
Extra 5% Off
or less w/ SD Cashback
133 43
Deal
Score
+264
160,565 Views
$100
$129.99
Questions & Answers BETA
wuzzam114 asked this question on 02-28-2021 at 09:42 AM
02-28-2021 at 10:24 AM
sale starts 3/10
dariushlee asked this question on 03-10-2021 at 02:53 PM
03-11-2021 at 12:07 PM
3.99 per unit. If you have 2 in your order, you will be charged 7.98 for shipping.

358 Comments

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This comment has been rated as unhelpful by Slickdeals users
Joined Jan 2006
L6: Expert
1,949 Posts
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#31
These work well. When COVID first hit we bought one of these for all the bedrooms, and living room and den. These work. My son no longer gets allergies. Wife and I used to have sinus pain in the mornings, that's gone. I dust the blinds and ceiling fans much less if at all now.
These lasted 10 months before the said I need a new HEPA filter. Around the same time I had 1 break. Costco took it back and gave me a refund. I bought 3 more and used the filters to to replace my dirty ones. When I bought them last March, they only had 1 set. Now it's almost a better deal to buy a new Winix just for the filters. I have 2 new units in my garage without filters. A 1 year filter set is typically $45, or this deal with 2 years and a new unit for $100. You decide
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#32
What WiFi band does this connect to? 2.4 or 5ghz? or either?
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#33
I own 2. I find it annoying that plasmawave comes on when you turn on the appliance and you can only turn off the plasmawave from the app.
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#34
Quote from Suuupa77 :
What WiFi band does this connect to? 2.4 or 5ghz? or either?
2.4 only
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Joined Feb 2008
There's My Chippy!
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#35
Quote from liutang19 :
I own 2. I find it annoying that plasmawave comes on when you turn on the appliance and you can only turn off the plasmawave from the app.
Press two buttons right under it (I think they are up and down buttons) together for three seconds.
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Joined Oct 2017
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#36
Quote from thebogman :
2.4 only
crap My Verizon FIOS router only has 5.0Ghz out the box, cant figure out how to create a 2.4ghz band.
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#37
Quote from JDanger :
Ugh, I just bought 3x of the C535 a couple weeks ago for $120 each. Always a better deal after I jump. Besides the app remote, what's the difference between the two?
Those are superior to this. They cheaped out majorly on these.
The front panel mechanism is cheap, the fan is cheaper, and it's just a general downgrade.
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Joined May 2009
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#38
What exactly are the differences between C535 and C545?
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#39
Was waiting for this deal to return. New rental home has some real dusty ducts and I wake up congested most mornings.

Just ordered one and I'll submit for a price match when it goes on sale in a couple weeks.
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#40
Quote from ScottoDono :
I have had this since the last sale
  • Filters are hard to get cheap, not a lot of 3rd party, though compatible with different version I think S, if this is S then maybe C , cant keep them straight
  • I hate that it has no remote, and you cant add a remote, only option is to use app
  • No auto off after specific time
  • Given COVID , I wish I had one with a UV light
UV lights in air purifiers don't do much. The UV light needs a lot more time to kill anything that's in the air. The air moved too fast through the machine for it to do much.
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#41
Quote from JDanger :
Ugh, I just bought 3x of the C535 a couple weeks ago for $120 each. Always a better deal after I jump. Besides the app remote, what's the difference between the two?
I still like my c535 better: remote, cheaper filters, easier to clean, more reliable according to many reviews.
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#42
Quote from liutang19 :
I own 2. I find it annoying that plasmawave comes on when you turn on the appliance and you can only turn off the plasmawave from the app.
If you hold both arrow buttons at the same time plasmawave turns on/off
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#43
I have two of these and may get a third. Honestly the light will turn red when I pass gas in the same room. You can't sneak one past them. Regardless of this uncanny detection, the air in the house does smell fresher and seems to cut down on allergies.
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#44
Quote from JDanger :
Ugh, I just bought 3x of the C535 a couple weeks ago for $120 each. Always a better deal after I jump. Besides the app remote, what's the difference between the two?
535 is better IMHO. Filters are standard size and much cheaper.
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Joined Feb 2018
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#45
I had this but returned it. Costco doesn't sell it's filters and the filtration power is not good.

Also, to kill Covid, you need a purifier that has UVC.
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