The most challenging studio setup ever?

I took on the impossible. I'm setting up a recording studio in the Amazon. First of all, were talking extreme heat (80-100f), extreme humidity (Relatively 80-99% permanently, absolute humidity measures it as among the most humid places on earth), Extremely expensive and unreliable electricity (Running two air conditioners I have received bills above the price of 300 dollars a month), no access to the site from anything other than a plane. Thankfully most of the instruments we're working with are electric in some way or form. The only thing I'm worried about Isolation is for Drum and Vocal Recording. Unfortunately I think proper studio isolation construction would be insufferably hot due to the lack of air flow they usually promote (albeit for good reasons). I think I have two major options here, Build a very small studio and pray the Air Conditioning holds up well enough, or build a very large studio, so large that isolation becomes less of an issue to deal with and there is more airflow. Beyond that, there's major issues with materials for isolation. The idea of insulation just doesn't exist here. The temperature is a constant 80 degrees, and I doubt importing a insulant would even be on the table financially: the transport would cost more than the actual material.