Costco – Winix Air Purifier Wi-Fi Enabled

by Rhonda

*UPDATE* 3/3/20. 
This is from the Costco Coupon Book MARCH 2020.

Use the Winix Smart App to monitor indoor and outdoor air quality, set timers, and schedule. Select Costco locations have the Winix Air Purifier C545 Wi-Fi Enabled on sale for $99.99 (after instant savings), from March 11, 2020 through April 5, 2020. That is $30 off Costco’s regular price of $129.99. While supplies last. Item #1320253.

Winix Air Purifier C545 Wi-Fi Enabled Costco Display

Price, participation, inventory and sales dates may vary by location. This product was spotted at the Covington, Washington Costco but may not be available at all Costco locations. Limited to stock on hand.

Winix Air Purifier C545 Wi-Fi Enabled Costco


  • True HEPA Filtration captures 99.97% of airborne pollutants, dust, pet dander, hair, pollen, smoke, mold, bacteria, VOC’s, odors and allergens as small as 0.3 microns
  • PlasmaWave Technology safely breaks apart odors, allergens, chemical vapors, and other pollutants at the molecular level
  • Carbon Filter captures pet odors as well as smoke, kitchen, and other household odors.
  • Carbon Filter extends the life of the True HEPA filter
  • Washable pre-filter extends the life of the filter by capturing pet hair, pollen and larger airborne particles
  • LED Air quality indicator displays the quality of air in your home environment
  • Material- ABS plastic
Winix Air Purifier C545 Wi-Fi Enabled Costco

Additional Features:

  • Auto-Mode utilizes smart sensors to automatically adjust the fan speed optimizing energy usage
  • AHAM Verified room size at 360 sq. ft.
  • Set a schedule
  • Dashboard
  • Apple iOS App and Android App available
Winix Air Purifier C545 Wi-Fi Enabled Costco

4-Stage Filtration System:

  1. Permanent fine mesh pre-filter
  2. Odor reducing carbon filter sheets
  3. True HEPA filtering
  4. PlasmaWave patented technology

Accessories Included:

(1) True HEPA filter
(4) Carbon odor absorbing filters
(1) Washable fine mesh pre-filter


8.5″ W   x  13.8″ L  x  20.6″ H

Winix Air Purifier C545 Wi-Fi Enabled Costco Sale Price

I purchased this air purifier at Costco and buy my filter refills at The filter refills are a bit pricey but hopefully Costco continues to keep them in stock on their website.

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