Best 2025 Air Purifiers for CADR rating

#1 Blueair Blue Signature
4.8

CADR evidence was very strong, with reviewers highlighting unusually high ratings and huge processing power for the category.

Pros: design and appearance, air purification performance

Cons: filter replacement cost

#2 Coway Airmega 350
4.6

CADR evidence was strong, with reviewers calling the rating very good and tying it to high large-room performance.

Pros: air purification performance, noise level

Cons: app connectivity, power consumption

#3 Winix 5510
4.4

CADR-related evidence was positive at top speed, with reviewers citing strong clean-air delivery and competitive raw performance.

Pros: air purification performance, value for money

Cons: noise level, energy efficiency

#4 HEAPETS P358
4.2

Only one detailed reviewer mentioned the CADR rating, and they framed it as part of a compact purifier that performed well. There is not broad customer discussion of measured airflow...

Pros: overall satisfaction, pet hair capture

Cons: listing accuracy, safety concerns

#5 Winix 5520
3.8

Review evidence for CADR rating is mixed, based on opinionated comments from 1 source review(s).

Pros: pet dander removal, noise level

Cons: app connectivity, air quality sensor accuracy

#6 Coway Airmega 50
3.8

CADR is modest but respectable for a purifier this small. It competes in the mini category, while larger purifiers still offer more cleaning headroom.

Pros: air purification performance, noise level

Cons: odor reduction, reliability

#7 Blueair Mini Restful
3.3

CADR impressions are split. One owner praises its CFM for travel, while others point out that its CADR trails stronger Blueair alternatives.

Pros: overall satisfaction, noise level

Cons: indicator lights, value for money

#8 Dyson HushJet Compact
3.0

Review evidence is moderate or context-dependent.

Pros: noise level, air purification performance

Cons: value for money, air quality sensor accuracy