To be fair, isn't the maritime market a bit like the aviation market, where a pack of 6 disposable AA batteries potted in a pack will cost you $43? Fair point,

To be fair, isn't the maritime market a bit like the aviation market, where a pack of 6 disposable AA batteries potted in a pack will cost you $43? Fair point, a portable AC sets you back 150 dollars or so, so with outdoor proofing and all, you can build a passable cooling system for 250 dollars. That would be the proper engineering solution, but it wouldn't look cool, like the steering yoke in the recent Tesla.