Air Purifiers · Head-to-head

Levoit Core 400S-P vs Winix 5530

Levoit Core 400S-P
Best for Litter-Box Odor

Levoit Core 400S-P

7.5/10
$189.97 at Amazon
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Winix 5530
Best Value

Winix 5530

7.6/10
$219.99 at Amazon
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The short answer

Levoit Core 400S-P and Winix 5530 finish almost level in our scoring (7.5 vs 7.6 out of 10), so the right pick depends on what you value most. Levoit Core 400S-P is stronger on noise at sleep-usable speeds, cleaning performance for bedroom size and sleep-friendly features. Winix 5530 is stronger on running cost & ownership and value. At current verified prices, the Levoit Core 400S-P costs about $30.02 less.

Scores by criterion

CriterionLevoit Core 400S-PWinix 5530
Noise at sleep-usable speeds 7.8134 cfm PM1 under 45 dBA and 35.5 dBA in sleep (HouseFresh). Loud at top speed (60.3 dBA). 7.4RTINGS (search snippet only): 32.4 dBA on low; quiet-speed airflow not confirmed on an opened page.
Cleaning performance for bedroom size 7.8249 cfm PM1. Odor capability depends on the 450 g Smoke Remover filter. 7.0253 cfm CADR is reached only at about 60.7 dBA; about 122 cfm under 45 dBA per an unopened RTINGS summary.
Sleep-friendly features 8.0Laser sensor, auto mode, sleep mode and app. 7.6Sleep and auto modes plus app control.
Indoor-air safety & materials 7.5No ionizer, Energy Star and CARB listed. Covered by the HEPA-labeling settlement. 7.2Switchable, CARB-certified PlasmaWave; it may re-enable after a power loss.
Running cost & ownership 5.5The $64.99 Smoke Remover filter about every 6 months is pricey. 8.0Filter Q is widely stocked; 65 W max.
Value 7.0About $255 with the odor filter, roughly the Mighty2's price. 8.5$179.99 sold by Amazon.

Specifications

SpecLevoit Core 400S-PWinix 5530
Exact model / SKU Core 400S-P Winix 5530
Workflow type Cylindrical 360° room purifier: pre-filter + H13-labeled HEPA + carbon Standard Room
Lowest-speed noise (manufacturer) 22 dB 23.5 dB
Independent PM1 CADR at maximum 249 CFM 258 CFM
Top-speed noise (manufacturer) 52 dB —
Independent PM1 CADR at low-noise setting 134 CFM 122 CFM
Lowest-speed noise (independent measurement) 35.5 dBA 32.4 dBA
Quiet-test threshold HouseFresh: fastest speed under 45 dBA at 3 ft RTINGS: fastest speed under 45 dBA
CADR (smoke where given, else headline) 231 cfm 253 cfm
Measured noise range 35.5 (sleep)–60.3 (HouseFresh) 32.4–60.7 (RTINGS)
Recommended room size (4.8–5 ACH / AHAM) 358 sq ft 392 sq ft
AHAM-certified smoke CADR — 253 CFM
Max power draw 38 W 65 W
Ionization/electronic stage present No Yes
Sleep / night mode Yes Yes
Ionization can be disabled — Yes
App control Yes Yes
Model-specific ozone/technology disclosure — Winix FAQ: all North American Winix purifiers CARB certified (EO), ozone under 0.01 ppm vs 0.05 ppm limit
Ionizer / electrostatic stage — PlasmaWave ionization, switchable
Particle-filter construction/certification — True HEPA
Filter type 3-stage; Pet Allergy, Toxin Absorber, Smoke Remover (HEACAFLVNUS0081A, $64.99) options Washable pre-filter + activated carbon pellets + True HEPA (Filter Q 1712-0123-00)
Carbon-media format Pelleted carbon; 450 g in Smoke Remover filter (HouseFresh) Pelleted activated carbon (AOC)
Main filter life 6 months —
OEM replacement-filter price 49.99 USD —
Manufacturer direct/list price 219.99 USD 259.99 USD
Pet-hair pre-filter / intake design Fabric pre-filter wrapped on cylinder Washable fine-mesh pre-filter
Activated carbon amount (where disclosed) 450 g (Smoke Remover filter, HouseFresh) —

Levoit Core 400S-P

Pros

  • Strong odor carbon with the Smoke Remover filter
  • Quiet auto cleaning with a laser sensor
  • 35.5 dBA in sleep
  • App control
  • No ionizer

Cons

  • Odor setup costs about $255 in total
  • Noisy at top speed, 60.3 dBA
  • Filters need replacing about every 6 months

The best mainstream choice for cat owners who want real odor control and quiet nights, provided you budget for the upgraded filter.

Full Levoit Core 400S-P review →

Winix 5530

Pros

  • Carbon-pellet filter for odors
  • Switchable, CARB-certified ionizer
  • App control
  • Lower price
  • Large coverage rating

Cons

  • Loud at max, about 60.7 dBA
  • Quiet-speed airflow less established
  • Ionizer may re-enable after power loss on earlier models

A good choice when odors are the main problem, and a reasonable bedroom unit overall, provided you leave the ionizer off.

Full Winix 5530 review →

Both products are part of our guide The Best Air Purifiers for Pet Dander and Odor of 2026, where you can see every pick, how we score and current prices from each retailer.