Perhaps focusing on quality of production (fungus, pesticide residues, etc).

https://vtdigger.org/2023/02/07/contaminated-cannabis-prompts-vermont-control-board-chair-to-call-for-state-testing-lab/

Just curious — what type of air exchange system do you have? I’ve been exploring HRV/ERV options for my home. Seems like it’s typically done during the construction phase, and less common to retrofit an existing (build in 1996) house.