Air Purifiers: The Most Common Problems Owners Report
Updated October 2026
We sorted 146 owner reports on 7 air purifiers by topic. The problem owners raise most is filters and maintenance. See which models they report it on least.
Problems by how often owners raise them
- Filters and maintenance21 of 146 reports
- Smart features and sensors15 of 146 reports
- Air cleaning performance13 of 146 reports
- Noise levels12 of 146 reports
- Reliability and durability7 of 146 reports
- Design and size7 of 146 reports
Filters and maintenance
21 of 146 owner reports raise a problem with filters and maintenance, and 16 praise it. By model, fewest problems first:
Fewest complaints: Coway Airmega 400 Air Purifier, raised in 0 of its 20 owner reports.
🛒 Buy on AmazonSmart features and sensors
15 of 146 owner reports raise a problem with smart features and sensors, and 15 praise it. By model, fewest problems first:
Fewest complaints: Blueair Blue Pure 211i Max Air Purifier, raised in 0 of its 15 owner reports.
🛒 Buy on AmazonAir cleaning performance
13 of 146 owner reports raise a problem with air cleaning performance, and 35 praise it. By model, fewest problems first:
Fewest complaints: Coway Airmega 400 Air Purifier, raised in 0 of its 20 owner reports.
🛒 Buy on AmazonNoise levels
12 of 146 owner reports raise a problem with noise levels, and 13 praise it. By model, fewest problems first:
Fewest complaints: Coway Airmega 400 Air Purifier, raised in 0 of its 20 owner reports.
🛒 Buy on AmazonReliability and durability
7 of 146 owner reports raise a problem with reliability and durability, and 13 praise it. By model, fewest problems first:
Fewest complaints: Levoit Core 300 Air Purifier, raised in 0 of its 21 owner reports.
🛒 Buy on AmazonDesign and size
7 of 146 owner reports raise a problem with design and size, and 9 praise it. By model, fewest problems first:
Fewest complaints: Coway Airmega 400 Air Purifier, raised in 0 of its 20 owner reports.
🛒 Buy on AmazonEach owner report is counted once per topic, as a problem when it describes a failure or annoyance. Counts cover the owner reports behind our current verdicts for this category and refresh when those verdicts change.