HouseFresh and its video review praised the shift to pelleted activated carbon, calling it better than the impregnated carbon fabric used in other Blueair models.
Pros: pollen removal, CADR rating
Cons: VOC sensor accuracy, durability
Best 2025 Air Purifiers for activated carbon filter
Release year
Review evidence for activated carbon filter is mostly positive, based on opinionated comments from 4 source review(s).
Pros: air purification performance, particle removal effectiveness
Cons: VOC sensor accuracy, display readability
Activated carbon was judged useful for odors, smoke, gases, and VOCs, though heavy VOC use may shorten effective carbon life.
Pros: particle removal effectiveness, air changes per hour
Cons: app connectivity, safety certifications
Reviewers liked the separate pellet carbon setup and odor role, but one comparison warned the carbon amount is too low for serious chemical fumes.
Pros: ozone-free operation, safety certifications
Cons: child lock, PM2.5 detection
One owner noticed a subtle coal-like scent from the carbon filter side. Most people in that home apparently did not notice it, but sensitive buyers may pick up on it.
Pros: customer support, odor reduction
Cons: air dryness, documentation quality
Evidence is mixed, with both praise and criticism.
Pros: particle removal effectiveness, maintenance ease
Cons: VOC sensor accuracy, filter availability
The carbon layer is a weak point. It is thin and better suited to light everyday smells than serious odor control.
Pros: ozone-free operation, breathing relief
Cons: reliability, customer support
Carbon filtration is a weak point. Reviewers describe the carbon layer or charcoal capacity as limited compared with stronger Blueair models.
Pros: pet dander removal, energy efficiency
Cons: durability, condition on arrival