particulates vs. CO2 (possibly voc & other gasses)

[list BSQ]

I am curious as to how the group thinks about opening windows and health. I live in a city where the particulate count is often high, but my CO2 is high indoors if I don't open the windows? I try to open them when the particulate count is lower, but that is not enough.

[Dirk Swart]

Have you thought about having a HEPA filter unit drawing in air from the outside? This will allow both a flow of fresh air and also reduce the particulate count.

Another tiny advantage is it will create a slight overpressure, so there will be tendency for air to leak *out* of other nooks and crannies, rather than leaking in.

On Sun, Sep 13, 2015 at 8:41 PM, list BSQ <li...@bsq.info> wrote:

I am curious as to how the group thinks about opening windows and health.  I live in a city where the particulate count is often high, but my CO2 is high indoors if I don't open the windows?  I try to open them when the particulate count is lower, but that is not enough.

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[List]

That is a good idea.  Has anyone come across a good window unit that can do this?

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