I re-did my ventilation system
Installed 4" Sunon Fans really thick and really really strong .6 amps each
6 in the hood, 2 in the sump
My temp peaks now at 27c, and 26c at night. 6 hood, 1 sump runs in the day, 1 sump runs at night
cons: sobrang ingay, parang eruplano ang tunog