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Winix C545

Ranked #8 of 13 in Best Air Purifiers for Smoke & Odor: HEPA + Carbon from IQAir, Coway, Levoit, Blueair (2026). Here is every spec we scored, where it came from, and how it compares.

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#8

Winix C545

Best for: A 232 CFM purifier with a SmokeGuard filter option

3.5/10

What we like

  • SmokeGuard option

Watch out for

  • Carbon rated only 3 months

Score breakdown

Smoke CADR 44%
Carbon/odor filter life 22%
Smoke or VOC filter offered 17%
CADR per watt * 17%

* Not published by the manufacturer; scored at the lowest published value in this category, so an unpublished figure never outranks a published one.

Smoke CADR232 CFM
Carbon/odor filter life3 months
Smoke or VOC filter offeredYes
CADR per wattNot listed
Loudest settingNot listed
CADR (dust / pollen / smoke)243 / 246 / 232
AHAM room size360 ft²
Filter4-stage: True HEPA + activated carbon
Filter options+SmokeGuard, +PetGuard, +AllergenGuard
Filter lifeHEPA 12 months; carbon 3 months
Minimum noise27 dB
Weight11 lb
PriceCheck price
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Specs source:

Winix C545 head-to-head

Head-to-headWinix C545 vs Winix 5520Head-to-headRabbit Air MinusA2 vs Winix C545

How it compares

Open the full comparison table

Blueair Blue Pure 211i Max
7.8/10
#1 · 435 CFM smoke CADR from 46 W, with a SmokeBlock filter option
Levoit Core 600S
7.7/10
#2 · 391 CFM with a Smoke Remover filter option
Coway Airmega 450
7.0/10
#3 · 439 CFM smoke with an Intense Smoke+ filter option
Levoit Eleva 500X
6.7/10
#4 · Separate HEPA and carbon filters, 301 CFM smoke
Coway Airmega 350
6.0/10
#5 · 352 CFM with the same 3-in-1 filter choices as the 450
Rabbit Air MinusA2
5.1/10
#6 · A wall-mountable purifier with a Toxin Absorber or Odor Remover option
IQAir GC MultiGas XE
4.6/10
#7 · 12 lb of activated carbon for chemicals and odors
IQAir HealthPro Plus XE
3.2/10
#9 · HyperHEPA plus a V5-Cell gas and odor filter
Winix 5520
3.1/10
#10 · 253 CFM smoke with a 12-month AOC carbon filter
Honeywell InSight HPA5200
2.8/10
#11 · Two HEPA filters plus optional odor and VOC filters
Winix 9800
2.8/10
#12 · A 522 sq ft AHAM-rated unit with a SmokeGuard option
Shark BreatheClear (HP162)
1.4/10
#13 · Activated carbon and a 6-year filter for up to 750 sq ft