Blueair Blue Pure 311i Max vs Winix 5530

Winix 5530 is the better value: True HEPA with a washable pre-filter, an AHAM Verifide 253 CFM smoke CADR, a 23.5 dB minimum noise level and a 2 year warranty for less money. Blueair Blue Pure 311i Max counters with more certified airflow at 283 CFM for 439 sq ft and PM1, PM2.5 and PM10 sensing.

Winix 5530, rated down to 23.5 dB and drawing 45 W, which also makes it the newer and more efficient of the two Winix models. Blueair Blue Pure 311i Max peaks at 50 dB across four speeds and offers a Night mode with lights that dim or switch off completely.

Winix 5530 uses conventional True HEPA behind a washable fine mesh pre-filter and a carbon layer, with an optional PlasmaWave ionizer. Blueair Blue Pure 311i Max uses HEPASilent, an electrostatic plus mechanical hybrid with no ionizer, behind a washable fabric pre-filter, with the main filter rated at 9 months.

Blueair Blue Pure 311i Max, which separates PM1, PM2.5 and PM10 on the unit and in the app. Winix 5530 has no display and shows PM2.5 through an air quality indicator and the Winix Smart app. Neither detects VOCs, CO2 or formaldehyde.

Blueair Blue Pure 311i Max works with both Amazon Alexa and Google Home over Wi-Fi. Winix 5530 documents Alexa support through the Winix Smart app, with Google Home unconfirmed. Neither is HomeKit certified nor listed in the Matter certified product database.

Anyone who wants the higher AHAM Verifide airflow of the two, a detailed PM1, PM2.5 and PM10 breakdown, and the lowest running cost in this comparison at 7.8 W with Energy Star certification. The trade is a 1 year warranty, where Winix 5530 gives 2 years.