I’ve rented space to build an art studio in an in-air conditioned space. There is a wall dividing the basement into two sections roughly 15’ x 30’. The space above is air conditioned. I would like to purchase a portable unit and run a pvc or steel vent to a window at the far end (30’ give or take). I’m concerned with water condensing in the vent, but could pitch toward window. enter image description here

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    you forgot to ask a question – jsotola Jul 12 '18 at 21:30
  • The question is....Will this work? Am I on the right track? – Geoff Davis Jul 12 '18 at 22:05
  • The manufacturer of the portable unit will have some kind of maximum exhaust distance listed, and perhaps recommendations in the installation instructions. I’d be concerned about how strong the exhaust fan is. – Tyson Jul 12 '18 at 22:22
  • A mini-split air conditioner may be a better choice. – Tyson Jul 12 '18 at 22:23

I doubt you will get water condensing in the long vent. The exhaust air is hot and a PVC tube would have enough insulating value to prevent condensation. If you would use a flexible duct you might have to insulate it. This would also prevent heat from flowing through the vent and lowering the net cooling.

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