I have the 12v “Endless Breeze” fan. It’s basically a Fantastic Fan roof vent fan but in a stand alone box, like a home box fan. Moves a ton of air. https://www.endlessbreeze.com/
Just a heads up, best to use a 12 volt regulator on these as the circuit boards tend to go out when they get over 12.8 volts. Do some googling on that. Apparently max air says they fixed the new ones with a higher capacity diode, but the tech I talked to at maxxair said best to still put a voltage regulator on the power feed to the fan to be safe!
Maxxair fans are awesome. I would mount one as far forward as you feel comfortable with and lose the "middle" A/C. I have half of my A/C missing because of a my CCV roof and it still will freeze you right out.
Side note I had some weird cut-in, cut-out issues with my Maxxair fan and I ended up redoing the connections between the CCV roof and the fan. They were some real cheezy spade connectors - replaced with Weatherpacks and all has been right with the world.
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