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maybewonderful t1_jc3rkaa wrote

Reply to comment by joshpit2003 in Room Air-Filter: Dumb filter + K&N HVAC (reusable merv 11) + Programmable Outlet Device = Low cost and reliable. by joshpit2003

I'm curious, I understand the point of dehumidifers, humidifiers when you have a cold/flu, but outside of a hazardous workspace e.g. laboratory, factory floor etc... or if you have a lung condition e.g. asthma or cystic fibrosis, why would you need an air filtration system? I've never had one, and I've never been able to think of a reason why someone (asides from the above) would want one, please help me understand.

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joshpit2003 OP t1_jc3yedp wrote

For home use: It's helpful for those sensitive to dust or allergies.
Or for those in California: It's helpful for scrubbing wildfire particulate matter from the air.

Otherwise, I agree it isn't needed. Your HVAC filter should be your first line of defense. These stand alone filters are just extra.

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maybewonderful t1_jdn6bjh wrote

Allergies and wildfires are very good reasons, thanks for getting back to me :)

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secular_dance_crime t1_jc4iys1 wrote

The purpose of filtering the air is to keep a house cleaner vacuum. It prevents the house from absorbing dust by filtering it from the air before it settles.

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