The air movement problem in a tightly sealed house is dealt with an HRV (or ERV) which brings in filtered fresh air, but tempers it with the exhausted stale air:
Re:Insulation: First the body, then the home (2011)
by yvdriess on Monday December 14, 2020 @11:21AM
(#25419293)
In some regions with strict insulation building codes, balanced ventilation with a heat exchanger for recovery is mandatory. Well, almost mandatory, it can get complicated.
* https://www.santa-fe-products.com/product-category/dehumidif...
The air movement problem in a tightly sealed house is dealt with an HRV (or ERV) which brings in filtered fresh air, but tempers it with the exhausted stale air:
* https://en.wikipedia.org/wiki/Heat_recovery_ventilation
* https://en.wikipedia.org/wiki/Energy_recovery_ventilation
These are solved problems, it's 'just' a matter of budget and mechanical constraints in fitting the equipment (existing ducting can be re-used).