I don't know how ventilation works in a data center, but only industrial ventilation works in mining hotels.
The magic is to keep the outgoing hot air from mixing with the incoming air.
In my country, high temperatures are less than 4 weeks a year, so there is no need to spend a lot of money on ventilation
I am here in New Jersey USA.
May had hot days
June had hot days
July will be worse
August will be as bad as July
Sept will have a few bad days.
So
May 10
June 15
July 20
August 20
Sept 10
75 hot days out of 153 days
Thats the standard pattern we get.
I have access to all the gear at the farm I down clock in the day often due to heat.
I have 5 s17's down clocked at the moment.
Out gpu room is solid different build no issues.
But when we build out more it may need a fan or two and a wall cut out.