Best air purifiers for noise
Fan hum, rattling, and jet-engine top settings — noise is the most common complaint in owner discussions, and the hardest spec to shop for. Here's what owners say gets loud, and what stays tolerable.
Ranked by how often owners bring up noise across 8 Reddit mentions — positives first, warnings at the bottom.
Most discussed for noise
The purifiers owners bring up most for noise — the exact quotes they left are on the right.
- 5.0 out of 5 stars
“I would recommend the Levoit core. It’s very cheap but does the job and not loud at all.”
- 5.0 out of 5 stars
“Yes! The Levoit Core 300 has a sleep mode that reduces noise levels to 24dB, making it perfect for nighttime use.”
Blueair$139.99Blueair Blue Pure 511i Max4.4/54.4 out of 5 stars(1)iAuto mode & sensorsNoise237 sq ft
- 5.0 out of 5 stars
“They’re both pretty quiet, but the 511i Max has a lower noise level at its lowest setting (about 19 dB compared to 18 dB on the 411i Max).”
- 5.0 out of 5 stars
“If noise is your main concern, I’d go with the Coway Airmega AP-1512HH. In eco mode, it’s as quiet as 22dB almost silent.”
- 4.0 out of 5 stars
“The Starkvind offers a high number of fan speed settings, allowing for low noise levels while maintaining sufficient airflow.”
- 4.0 out of 5 stars
“the LG AeroTower (24 dB) and iAdaptAir (25 dB) do a good job of cleaning air in big spaces.”
What to look for
- Owner adviceCheck the max, not just the min
- Owner adviceEvery +10 dB sounds twice as loud
- Owner adviceRattles are build quality
- Go deeperDecibels, translated
Where owners complain
The purifiers owners warn about for noise — their exact complaints are on the right.
- 2.0 out of 5 stars
“Good unit but noisy.”
Related use cases
Not sure where to start?
Our buyer's guide covers the four numbers that actually predict performance — CADR, coverage, filter type, and certification.