Full Fresh Air is typically called an "economizer" at least in California. The idea of those is to save energy. But there is also typically fresh air requireme

Full Fresh Air is typically called an "economizer" at least in California. The idea of those is to save energy. But there is also typically fresh air requirements to bring in some percentage of fresh air. And lastly the HRV/ERV mentioned in the other comment is typically more a residential thing from what I've seen but that's totally a thing I want in my next house.