Earlier quoted context omitted.
We remodeled to tight envelope + radiant heat but our architect failed to spec fresh air ventilation. We had to DIY it mid remodel and learned a lot in a hurry. The one room that we didn’t get any fresh air flow to, now stinks. The others are fine. In a nutshell: blow fresh air into bedrooms / closets. 10 CFM is enough (small cpu fan level of airflow). Exhaust with quiet bathroom fans on constantly at low CFM. In + o…
Did you use an ERV?
No, we live in a mild climate so the cost of ERV outweighs the benefit for us. I researched it, but balked at the high price of the unit, and the idea of adding lots of ducting in the attic.
Instead went with separate AC Infinity (grow-room) fans each pulling air through a filter. Works ok. Still iterating tbh.
This all predates the war. Another factor for us was wildfire smoke