Air Purifiers · Head-to-head

Dyson HushJet Purifier Compact HJ10 vs Windmill Windmill Air Purifier (975 sq ft model)

Dyson HushJet Purifier Compact HJ10
Best Low-Maintenance

Dyson HushJet Purifier Compact HJ10

7.2/10
$299.99 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
Check price at Amazon

The short answer

Dyson HushJet Purifier Compact HJ10 comes out ahead overall with 7.2/10 against 6.8/10 for the Windmill Windmill Air Purifier (975 sq ft model). Dyson HushJet Purifier Compact HJ10 is stronger on cleaning performance for bedroom size and running cost & ownership. Windmill Windmill Air Purifier (975 sq ft model) is stronger on sleep-friendly features and indoor-air safety & materials. At current verified prices, the Windmill Windmill Air Purifier (975 sq ft model) costs about $100.99 less.

Scores by criterion

CriterionDyson HushJet Purifier Compact HJ10Windmill Windmill Air Purifier (975 sq ft model)
Noise at sleep-usable speeds 7.8Tom's Guide: 24 dB in sleep mode, at modest airflow. 7.5Tom's Guide: 38.4 dBA on low.
Cleaning performance for bedroom size 5.5203 sq ft, no AHAM CADR. 5.0130 cfm, 202 sq ft.
Sleep-friendly features 8.3Sleep mode, app. 8.8Whisper mode with lights off, White Noise mode, app.
Indoor-air safety & materials 7.2No ionizer stated; electrostatic filter. 8.0No ionizer; AHAM Verifide, CARB, Energy Star listed.
Running cost & ownership 9.05-year filter. 5.0Proprietary 6-month filters.
Value 5.8$299.99 for small-room coverage. 6.0$189 from a third-party seller on Amazon.

Specifications

SpecDyson HushJet Purifier Compact HJ10Windmill Windmill Air Purifier (975 sq ft model)
Lowest-speed noise (manufacturer) 24 dB 16 dB
Top-speed noise (manufacturer) — 52 dB
Lowest-speed noise (independent measurement) 24 dBA 38.4 dBA
CADR (smoke where given, else headline) — 130 cfm
Recommended room size (4.8–5 ACH / AHAM) 203 sq ft 202 sq ft
Sleep / night mode Yes Yes
App control Yes Yes
Ionizer / electrostatic stage Electrostatic filter (no ionizer stated) None mentioned
Filter type Sealed 360° electrostatic filter + activated carbon 3-in-1 H13 HEPA with activated carbon layer (proprietary)
Main filter life 60 months 6 months

Dyson HushJet Purifier Compact HJ10

Pros

  • 24 dB in Sleep mode per Tom's Guide
  • Filter rated for 5 years
  • App control
  • Low running cost

Cons

  • Only 203 sq ft coverage
  • No published CADR
  • Loud at top speed, 60 dB
  • Expensive for its coverage
  • Bulky for a nightstand per TechRadar

A niche pick for small-room sleepers who value silence and low upkeep over airflow.

Full Dyson HushJet Purifier Compact HJ10 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.