haha thanks for replying!

I wasn't thinking about s7, but just antminer's in general.

With regard to room temperatures, what you stuck a big hose like this one onto the exhaust so that the exhaust air goes directly outside: https://www.lowes.com/pd/IMPERIAL-12-in-x-300-in-Insulated-Polyester-Flexible-Duct/50401798

Then the intake air is at 35C.  Would that be OK?