Costco Winix Air Purifiers

Winix sells several Costco-specific models: the C909 with Wi-Fi and PlasmaWave, the slim Tower XQ, and bundles of 4-stage true HEPA purifiers with an extra filter. The key differences are filters, Wi-Fi and bundle contents.

different retailers Winix

• C909 (Costco): Wi-Fi app control and PlasmaWave. It shares its filter pack with the C535, sold at Costco as a 2-pack.
• Tower XQ (Costco): a tall, slim footprint for tight spaces.
• Compare CADR and noise: similar room ratings can hide different filter costs.
• PlasmaWave can be switched off on these models.

See all models in Winix Air Purifiers, and filters in Winix Replacement Filters and Costco Air Purifier Filters.

FAQs

Is the Winix C909 the same as the 5500-2?

No. Both are Winix true HEPA purifiers with carbon filters and PlasmaWave for similar room sizes, but the C909 is sold at Costco with Wi-Fi control and uses a different filter pack shared with the C535. The 5500-2 has no Wi-Fi and uses Winix Filter H.

What Winix models does Costco sell?

Costco's lineup changes, but it has sold the Winix C909, the Tower XQ and 4-stage true HEPA bundles with an extra filter, along with Winix filter 2-packs.

Where can I buy filters for a Costco Winix purifier?

Costco usually sells filter packs for its Winix models, such as the C535 and C909 2-pack. Check the filter label inside your purifier to make sure you order the right set.