Air Purifiers · Head-to-head

Levoit Core 300-P vs Windmill Windmill Air Purifier (975 sq ft model)

Levoit Core 300-P
Best Value for Small Bedrooms

Levoit Core 300-P

7.1/10
$84.99 at Amazon
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Windmill Windmill Air Purifier (975 sq ft model)
Best With White Noise Mode

Windmill Windmill Air Purifier (975 sq ft model)

6.8/10
$199.00 at Amazon
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The short answer

Levoit Core 300-P comes out ahead overall with 7.1/10 against 6.8/10 for the Windmill Windmill Air Purifier (975 sq ft model). Levoit Core 300-P is stronger on cleaning performance for bedroom size, running cost & ownership and value. Windmill Windmill Air Purifier (975 sq ft model) is stronger on noise at sleep-usable speeds, sleep-friendly features and indoor-air safety & materials. At current verified prices, the Levoit Core 300-P costs about $114.01 less.

Scores by criterion

CriterionLevoit Core 300-PWindmill Windmill Air Purifier (975 sq ft model)
Noise at sleep-usable speeds 7.0HouseFresh: 37.1 dB in sleep mode; speed 2 is 40.5–45.7 dB. 7.5Tom's Guide: 38.4 dBA on low.
Cleaning performance for bedroom size 5.5143 cfm rated; about 109 cfm PM1 at top speed (HouseFresh). 5.0130 cfm, 202 sq ft.
Sleep-friendly features 7.3Sleep mode, display off, timer; no sensor. 8.8Whisper mode with lights off, White Noise mode, app.
Indoor-air safety & materials 7.0Ozone-free and CARB; named in the labelling settlement. 8.0No ionizer; AHAM Verifide, CARB, Energy Star listed.
Running cost & ownership 8.2Cheap, common filters. 5.0Proprietary 6-month filters.
Value 8.8$89.99. 6.0$189 from a third-party seller on Amazon.

Specifications

SpecLevoit Core 300-PWindmill Windmill Air Purifier (975 sq ft model)
Lowest-speed noise (manufacturer) 24 dB 16 dB
Top-speed noise (manufacturer) 54.5 dB 52 dB
Lowest-speed noise (independent measurement) 37.1 dBA 38.4 dBA
CADR (smoke where given, else headline) 143 cfm 130 cfm
Recommended room size (4.8–5 ACH / AHAM) 222 sq ft 202 sq ft
Max power draw 56 W —
Sleep / night mode Yes Yes
App control No Yes
Ionizer / electrostatic stage None (listed ozone-free) None mentioned
Filter type 3-stage: pre-filter + HEPA-type + activated carbon 3-in-1 H13 HEPA with activated carbon layer (proprietary)
Main filter life — 6 months

Levoit Core 300-P

Pros

  • Budget price
  • 37.1 dB in sleep mode
  • No ionizer
  • Compact
  • Low running cost

Cons

  • Low airflow
  • Needs higher speeds to clean a 200 sq ft room
  • No app
  • Named in the Vesync filter settlement

Good value for a small room, as long as you accept running it above sleep mode.

Full Levoit Core 300-P review →

Windmill Windmill Air Purifier (975 sq ft model)

Pros

  • White Noise mode
  • Lights-off Whisper mode
  • Minimalist design
  • App control
  • Multiple certifications listed

Cons

  • Modest 130 cfm CADR
  • Filters every six months
  • Among the costliest to own
  • Amazon offer is third-party

A design and sleep-sound pick, not a performance pick. Buy it for the look and the white noise.

Full Windmill Windmill Air Purifier (975 sq ft model) review →

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