Not sure where you live, but if air in my room circulated once in an hour, with doors/windows closed, I'd consider it way too much. We have winters so people te

Not sure where you live, but if air in my room circulated once in an hour, with doors/windows closed, I'd consider it way too much. We have winters so people tend to plug holes. You're not talking about HVAC, are you? Nevertheless, I do know people living in leaky homes/building, and they do get >1 exchange/hour.