Best air purifiers for noise

• Owner adviceCheck the max, not just the minA 24 dB sleep mode means nothing if high speed hits 60 dB — conversation volume.
• Owner adviceEvery +10 dB sounds twice as loudDecibels are logarithmic. 50 dB isn't a bit louder than 40 — it's double.
• Owner adviceRattles are build qualityOwners reporting rattles or buzz at low speeds are usually describing a defective or cheaply built unit.
• Go deeperDecibels, translatedThe research behind the rules of thumb owners keep repeating.

• Levoit$84.99Levoit Core 3004.2/5★★★★★4.2 out of 5 stars(2)iAHAM VerifideCARBNoiseOdor & VOC control219 sq ft“I would recommend the Levoit core. It’s very cheap but does the job and not loud at all.”
• Coway$229.99Coway Airmega AP-1512HH4.1/5★★★★★4.1 out of 5 stars(2)iAHAM VerifideEnergy StarCARBNoiseQuiet operation361 sq ft“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.”
• Blueair$139.99Blueair Blue Pure 511i Max4.1/5★★★★★4.1 out of 5 stars(1)iAuto mode & sensorsNoise237 sq ft“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).”
• IKEAPrice variesIKEA STARKVIND2.8/5★★★★★2.8 out of 5 stars(1)iAHAM VerifideCADR & airflowNoise215 sq ft“The Starkvind offers a high number of fan speed settings, allowing for low noise levels while maintaining sufficient airflow.”
• LGPrice variesLG AeroTower2.6/5★★★★★2.6 out of 5 stars(1)iCARBNoiseQuiet operation818 sq ft“the LG AeroTower (24 dB) and iAdaptAir (25 dB) do a good job of cleaning air in big spaces.”
• NukitPrice variesNukit Tempest2.4/5★★★★★2.4 out of 5 stars(1)iAllergy reliefNoise432 sq ft“The Nukit Tempest is a great option for those who are mildly handy and noise sensitive.”

Real quotes from Reddit threads discussing noise. Positive feedback first, followed by warnings and complaints.

• ★★★★★5.0 out of 5 starsr/AirPurifiers

  “I would recommend the Levoit core. It’s very cheap but does the job and not loud at all.”

  Said about the Levoit Core 300 by LevoitRead the thread
• ★★★★★5.0 out of 5 starsr/BuyAirPurifier

  “Yes! The Levoit Core 300 has a sleep mode that reduces noise levels to 24dB, making it perfect for nighttime use.”

  Said about the Levoit Core 300 by LevoitRead the thread
• ★★★★★5.0 out of 5 starsr/BuyAirPurifier

  “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.”

  Said about the Coway Airmega AP-1512HH by CowayRead the thread
• ★★★★★5.0 out of 5 starsr/BuyAirPurifier

  “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).”

  Said about the Blueair Blue Pure 511i Max by BlueairRead the thread
• ★★★★★4.0 out of 5 starsr/AirPurifiers

  “The Starkvind offers a high number of fan speed settings, allowing for low noise levels while maintaining sufficient airflow.”

  Said about the IKEA STARKVIND by IKEARead the thread
• ★★★★★4.0 out of 5 starsr/BuyAirPurifier

  “the LG AeroTower (24 dB) and iAdaptAir (25 dB) do a good job of cleaning air in big spaces.”

  Said about the LG AeroTower by LGRead the thread
• ★★★★★2.0 out of 5 starsr/AirPurifiers

  “Good unit but noisy.”

  Said about the Coway Airmega AP-1512HH by CowayRead the thread

• Coway$229.99Coway Airmega AP-1512HH4.1/5★★★★★4.1 out of 5 stars(2)iAHAM VerifideEnergy StarCARBNoiseQuiet operation361 sq ft“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.”