Does that mean your air doesn't get filtered if you stop or decide to turn down the white noise?

I prefer having quiet air filters that I can run all day (based on air quality) instead of noisy ones I only use at night.

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alistairSH 10 hours ago | parent | next [-]

If you turn it off, sure.

I have one in the bedroom. On low, I barely hear it during the day (extra ambient noise from outside) but at night the white-noise is subtle but effective. That said, I don't like "loud" white noise, just a quiet hum.

	▲	schiffern 10 hours ago \| parent [-]
		YSK on low you won't be getting much air cleaning power. All air purifiers are rated based on their top fan speed. Housefresh, which is a criminally underrated review channel btw, recently did a comparison of PC fans for this purpose. The Thermalright TL-14C family came out strong in the "Silent" category, with the best ultra-quiet 24/7 fan speed performance. This comes at the cost of slightly worse max speed CADR vs the venerable Arctic P14. https://www.youtube.com/watch?v=Rlz37IdCcIE

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bradknowles 10 hours ago | parent | prev | next [-]

For air filtering, you want big fans that move relatively slowly. At least, at lower settings.

I still haven’t seen anything else that can compare to IQAir HyperHEPA filters. They use these things in hospitals.

	▲	jefftk 5 hours ago \| parent \| next [-]
		IQAir HyperHEPA is substantially worse than the AirFanta 3Pro. The 3Pro gives you about 10x more clean air per dollar (2 CFM/$ vs 0.2 CFM/$), and 2.5x more clean air at a given noise level (45dBA: 213 vs 86 CFM). I agree big fans moving slowly is better all else equal, and something AirFanta-like that used a 12" fan could be even better.
	▲	turtlebits 9 hours ago \| parent \| prev [-]
		All my air filters are sized to clean air while being quiet. Turning them up to med/high would just cause too much airflow.

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kube-system 11 hours ago | parent | prev [-]

Many air purifiers are silent on lower settings and louder on higher settings. If I want noise I turn mine up. If I want less noise I turn it down.