A while again we highlighted a solar driven air cooler by Desertsun02 on Youtube �?an awesomely functional concept for cheap cooling �?and he has many other handmade air coolers he has developed and examined out with terrific results. We provide PID Free modules beneath the situation of 85 degree C. https://off-grid-solar-air-condit56678.blogs100.com/33760618/indicators-on-off-grid-solar-air-conditioners-darwin-you-should-know