Winix: 14 DOE certified models

Winix has 14 air purifier basic models certified to DOE as of 2026-11-03, rated smoke CADR 159 to 461 cfm. How their efficiency compares with their DOE class is below.

Highest certified smoke CADR among its air purifiers: Winix XQ Pro at 461 cfm.

Source: DOE Compliance Certification Database (air purifiers), data as of 2026-11-03.

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Air purifiers

10 of 14 Winix air purifiers, listed models first. DOE data as of 2026-11-03.
#	Model	Labels	Smoke CADR, cfm	Room size	PM2.5 CADR	CADR/W	Brands	Amazon
1	WinixC909	CADR/W 4	337cfm, 522 sq ft	522 sq ft	339	4	1	Check price on Amazon
2	WinixD480	CADR/W 3.8	321cfm, 498 sq ft	498 sq ft	324	3.8	1	Check price on Amazon
3	WinixT810	CADR/W 6.1	270cfm, 418 sq ft	418 sq ft	271	6.1	1	Check price on Amazon
4	Winix5510	CADR/W 4.6	253cfm, 392 sq ft	392 sq ft	252	4.6	1	Check price on Amazon
5	WinixC610	CADR/W 6.2	248cfm, 384 sq ft	384 sq ft	250	6.2	1	Check price on Amazon
6	WinixC535	CADR/W 4.1	239cfm, 370 sq ft	370 sq ft	241	4.1	1	Check price on Amazon
7	WinixC545	CADR/W 4.3	234cfm, 363 sq ft	363 sq ft	230	4.3	1	Check price on Amazon
8	WinixA231	CADR/W 3.2	159cfm, 246 sq ft	246 sq ft	163	3.2	1	Check price on Amazon
9	WinixXQ Pro	CADR/W 5.7	461cfm, 714 sq ft	714 sq ft	471	5.7	1
10	WinixWX101	CADR/W 5.5	272cfm, 421 sq ft	421 sq ft	270	5.5	1

4 more certified, no listing matched

The other 4 Winix air purifiers, by certified smoke CADR.
#	Model	Labels	Smoke CADR, cfm	Room size	PM2.5 CADR	CADR/W	Brands
1	WinixWX100	CADR/W 3.6	270cfm, 418 sq ft	418 sq ft	273	3.6	1
2	WinixAT40	CADR/W 5.6	265cfm, 410 sq ft	410 sq ft	261	5.6	1
3	WinixAM90	CADR/W 4.6	241cfm, 373 sq ft	373 sq ft	239	4.6	1
4	WinixD360	CADR/W 3.7	233cfm, 361 sq ft	361 sq ft	233	3.7	1

How efficient are Winix air purifiers?

Of the 14 Winix air purifiers, 4 file a higher CADR/W than the class median, 1 matches it and 9 fall below it.

Winix air purifiers against the median CADR/W of their DOE class. DOE data as of 2026-11-03.
DOE class	Winix models	Above median	Class median	Best Winix
Air purifiers, PM2.5 CADR 150+ cfm (140)	14	4	CADR/W 5.5	C610 CADR/W 6.2

A higher CADR/W means more clean air per watt.

Who makes Winix air purifiers?

DOE's database has no manufacturer field, so the evidence is whose model number each unit is filed under and which other brands file the same unit.

None of the 14 Winix basic models is filed by another brand as of 2026-11-03, and none uses another company's model number. DOE's records tie them to Winix alone.

How much does a Winix air purifier cost to run?

DOE's annual energy figures for the 14 Winix air purifiers that file one run from 235 to 505 kWh a year: about $42.68 to $91.71 a year. The lowest is Winix C610 (248 cfm, CADR/W 6.2) and the highest Winix XQ Pro (461 cfm, CADR/W 5.7).

At 18.16¢ per kWh, the US average residential price for August 2026 (EIA Electric Power Monthly, table 5.6.A). Worked out from the certified figures.

Questions about Winix

Is Winix a good air purifier brand?: How its 14 air purifiers compare on efficiency with their DOE class is above. All 14 are filed under Winix alone. We don't test reliability, noise or build quality, so we can't rank brands on those. How we compare models.
What room size are Winix air purifiers rated for?: DOE's effective room size for its 14 rated models is 246 to 714 sq ft, from a certified smoke CADR 159 to 461 cfm. CADR and room size.
Which Winix air purifier is the most efficient for its size?: Winix C610, at CADR/W 6.2: higher than 93 of the 140 in its DOE class (air purifiers, PM2.5 CADR 150+ cfm). At the other end is Winix A231, at CADR/W 3.2, higher than 5 of the 140 in its class.