Winix 5510

Smart air purifier · $179.99 · price checked 2026-08-24 · editorial score 90/100

Spec sheet

Room size	392 ft² AHAM-rated · 1882 ft² at 1 ACH
CADR ✓₂	smoke 253, dust 252, pollen 247 cfm ✓₂
Ozone status ✓₂	CARB-certified (Electronic) — list entry WINIX 5510, certified 2024-10-03, approval G-24-234; the CARB electronic category caps ozone at 0.050 ppm. Winix's product page makes no additional ozone statement.
Filter type	True HEPA
Filter stages	Washable pre-filter, AOC carbon block, True HEPA, PlasmaWave ionizer (CARB Electronic)
Noise	40.2–65.7 dB
Sensors	PM2.5/air-quality
Auto mode	Yes
App / ecosystem	Winix Smart App
Voice	Alexa, Google Assistant
Humidifier combo	No

Offer

$179.99

Price checked 2026-08-24

In Stock

Buy link unavailable

Link withheld pending verified Associates account (compliance fail-closed).

Scraped from the live listing on 2026-08-24; point-in-time price, not an offer.

CADR — Clean Air Delivery Rate (dual-sourced)

253 cfm smoke · 252 dust · 247 pollen

Air Purifier First review: “The Winix 5510 has a high CADR of 253 CFM (430 m³/h), meaning it covers rooms up to 392 sq. ft. (36 m²).”
BreatheQuality review: “The CADR of the Winix 5510 is 252 Dust/ 253 Smoke/ 247 Pollen (cfm).”

Ozone emission status (dual-sourced)

CARB-certified (Electronic) — list entry WINIX 5510, certified 2024-10-03, approval G-24-234; the CARB electronic category caps ozone at 0.050 ppm. Winix's product page makes no additional ozone statement.

California Air Resources Board certified-device list: “WINIX | 5510 | 5510 | Electronic | 2024-10-03 | G-24-234”

Known limitations

Manufacturer publishes no dB curve; the 40.2–65.7 dBA range is Air Purifier First's independent measurement across all five speeds.

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Independent comparison. Prices are point-in-time scrapes from Amazon.com listings, not offers. CADR figures render only where two independent sources agree; ozone status is checked against the California Air Resources Board certified-device list. No health claims beyond manufacturer documentation.