> Then mechanically ventilated airports take the air basically from outside anyway.
This is not how A/C works.
Depends on whether an ERV/HRV or other fresh air intake system is involved, I guess. In a space like an airport with so many people, you do have to cycle in fresh air somehow, it can’t just be a sealed space.
alt Hacker News
Depends on whether an ERV/HRV or other fresh air intake system is involved, I guess. In a space like an airport with so many people, you do have to cycle in fresh air somehow, it can’t just be a sealed space.