Architecture, AC without HVAC? "cross ventilation"

This FREE Hack Will INSTANTLY Cool Your Home By 42F — Here’s How. - YouTube

This video explores the science and history of cross ventilation, a design principle used for centuries by civilizations in the Middle East, Africa, and Asia to create survivable indoor climates in extreme heat. We dive into the physics of the Bernoulli principle, explain how architectural icons like the Iranian Badgir and the Southern Shotgun house acted as natural wind tunnels, and reveal why modern building codes have moved away from these efficient designs. 

Whether you're looking to install a whole-house fan or simply want to know how to reposition your furniture and windows to drop your indoor temperature by up to 6∘ F, this guide provides the tools to outsmart the summer heat without touching your thermostat.