Maybe this was already covered and I missed it. Any suggestions or guidance re: how to put a water level switch into the system? TIA.

> As long as you are using solar, any small battery will work as a "buffer" between the solar and the cooler. God, I feel soooo ignorant. Sometimes. Not always. Just now. I have no ee background beyond turning on a flashlight. So I presumed both the pump and the fan required some rated amount of pow...

G'Day All, Trying to put something like this together to cool my tent and I have a few questions: (1) Is the battery necessary? Can I just run power output from the solar array directly to the fan and pump? It seems the battery adds significant (and maybe unnecessary) cost and complexity. While all ...

Very cool design. Lot's of good thinking, little creeping elegance, simple. I like it.
One question: What do the guts of the evap cooler look like? Is the evap screen/mat the same profile as the fan itself? Does that work? Where is the reservoir, how does the pump work, etc? TIA.