Update: This popular deal is still available.
Woot! has
Winix C545 4-Stage True HEPA WiFi Air Purifier w/ PlasmaWave Technology (Factory Reconditioned) on sale for
$63.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.
Thanks to Deal Hunter
Navy-Wife for sharing this deal.
Note, product is a certified factory recondition unit.
About this Item:
- Includes 1 True HEPA Filter and 4 Carbon Filters (Filters are brand new)
- Auto Mode + Smart Sensors
- 4 Fan Speeds
- Weight: 11.5 lbs.
- Dimensions: 11.2 × 15.1 × 23.0 in
- AHAM Verified Room Size: 360 sq. ft.
- Wi-Fi: Yes
- CADR (Dust / Pollen / Smoke): 243 / 246 / 232
- Stages: 4 Stages
- Smart Sensors: VOC Sensor
- Decibels: 27.2 dB
- Wattage: 65W
- CARB EO#: G-19-110
- Includes a 1 Year Manufacturer Warranty
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Top Comments
You just have to hit the wireless connection button once for it to reconnect.
128 Comments
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Super easy to setup with login to Winix wifi app
I have asus mesh wifi without smart connect so could be end user error
Neat but not sure if necessary; it's ideal if you introduce high allergens suddenly like come in from mowing or cooking something that will get picked up by this and so it will ramp up its fan automatically to compensate
We as consumers need to speak out loudly with our purchasing power against garbage companies like this now, before everything becomes one giant Corporation and we no longer have any choices. Everyone blames all of our current perceived problems to high inflation, but are totally blind to all the Corporate consolidation that has happened over the last 30yrs, and the possibility that price fixing, collusion, and Corporate profit taking might have more to do with it than any singular political party or individual.
Buy from woot if you want to save money, have less filters and possibly have to fix it a few years from now when it starts to whine
Neat but not sure if necessary; it's ideal if you introduce high allergens suddenly like come in from mowing or cooking something that will get picked up by this and so it will ramp up its fan automatically to compensate
As I understand it, PlasmaWave is an ionizer. The concern is that it may produce ozone.
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It is on almost 24/7 in Auto mode and it stays in Low speed 99+% of the time (probably a few minutes per day when it spins up after detecting fart, the occasional toaster/cooking smoke or unknown reason).
My pre-filter and the main pleated filter never get much buildup (unlike Amazon customer photos of caked dirt), but I have no pet or carpet and I keep the purifier 6 inches off the floor (no point filtering out kicked up bulk dust when a vacuum cleaner or sweeper does the job much cheaper). Per the app, filter is now at 7% so I guess it is partly a 1-year countdown timer to replace it regardless of air quality or how little it appears to pick up. I never changed the 3-month carbon foam filter so I still have 3 new ones (it came with 4). The top of the unit has a film of dust after a while, like the rest of the room and floor, so don't expect it will remove a lot of airborne dust unless you run it at higher speeds.
The app and Wi-Fi aren't essential (for me) since Auto mode works for me, and I don't see the need to schedule times, turn on/off or change speeds, check outside (EPA data) or indoor (sensor) AQI history or operating mode (on/off, speed. It can be useful to check and change the operating mode (on/off, auto/L/M/H/sleep speed) especially if the purifier is not in your vicinity.
Low speed is barely perceptible noise-wise even when nearby and only uses 5W which is surprisingly efficient for such a big unit (I own smaller desktop cylinder purifier models that use 5-10W in low, move much less air and noisier). It is cheap to run at 0.005 kW * 16.1c kW/hr national average rate * 24 * 365 = $7 per year, double or triple it if you live in NY, CA, HI etc. Sleep mode, which I never use, is super-slow speed, dims the LEDs and uses 3W. Needless to say I'll only buy air purifiers with AQ sensor and auto speed mode.
Winix had a major sale last month, including the C535 for $105/$95 new/refurb, and the refurb AM80 for $100 with washable AOC filter that some people recommend, but most items have sold out.
The air quality sensor works great (will detect cooking orders, alcohol based spray cleaners remarkably well for example) and third party replacement filters can be easily found on Amazon pretty cheap.
The only issue that I have with them is that if the power goes out even briefly these units will default to off and will not turn on automatically. I've had instances where the my C545s have been off for weeks without me being aware due to a very minor power outage that lasted less than 5 seconds.
Overall I would dare say that refurbished C545s are the best bargain/overall bang for buck you can get currently. Nothing in their price range has come close to what C545s offer IMO; at least I have not found anything that can compare price and feature wise...
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No whine, but I've always ran it on Auto & turn it off at night with the app schedule. Wifi does refuse to reconnect about every few months which can be aggravating, but it has never failed to reconnect after some prodding.
The biggest issue I see with these is the refurbished price today is almost exactly the same as it was in 2021.
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